Diamond Bar, CA
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Diamond BarCA averageUS Census ACS
Median home value
$867,000 Typical home value $1,003,951 +1.3% yr/yr · +22.9% 5-yr
Development activity
202565 housing units ($11.2M)
🗳️ Election results (4 races)
Local election returns — winner marked ✓.
City Council District 4 2022-11-08
CHIA YU TENG ✓ 1,395 · LEE MAO 1,373
City Council District 3 2022-11-08
ANDREW CHOU ✓ 2,054 · JIANGUO JASON WANG 501
City Council District 1 2022-11-08
Steve Tye ✓ 2,112 · STEVE TYE ✓ 2,112 · Andrew Chou ✓ 2,054 · Chia Yu Teng ✓ 1,395 · Lee Mao 1,373 · Ruben Torres 1,053
City Council 2020-11-03
Ruth Low ✓ 12,748 · Stan Liu ✓ 8,135 · Jennifer "Fred" Mahlke 6,475 · Bill Rawlings 4,926 · Sam Castorena, Jr. 3,652 · Tommy Orona 2,321
Upcoming
Thu Oct 22, 2026 · 18:00
City Council
Tue Oct 27, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Tue Nov 3, 2026 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Nov 10, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Tue Nov 17, 2026 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Nov 24, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Thu Nov 26, 2026 · 18:30
Parks and Recreation Commission
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
Tue Dec 1, 2026 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Dec 8, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Dec 10, 2026 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Tue Dec 15, 2026 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Jan 5, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Jan 19, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Jan 28, 2027 · 18:30
Parks and Recreation Commission
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
Tue Feb 2, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Feb 11, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Tue Feb 16, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Mar 2, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Mar 16, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Mar 25, 2027 · 18:30
Parks and Recreation Commission
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
Tue Apr 6, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Apr 8, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Tue Apr 20, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue May 4, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue May 18, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu May 27, 2027 · 18:30
Parks and Recreation Commission
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
Tue Jun 1, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Jun 10, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Tue Jun 15, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Jul 6, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Tue Jul 20, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Jul 22, 2027 · 18:30
Parks and Recreation Commission
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
Tue Aug 3, 2027 · 18:30
City Council
South Coast Air Quality Management District, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Aug 12, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Thu Oct 14, 2027 · 18:30
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Recent meetings
Tue Oct 20, 2026 · 18:30
City Council
Diamond Bar City Council to ratify $1.8 million in expenditures
The City Council will meet to review routine administrative items and recognize community achievements. The body is scheduled to ratify a check register for recent city spending and adopt a proclamation for Hindu Heritage Month.
- Ratification of Check Register from September 23, 2026 through October 6, 2026 totaling $1,839,831.83
- Adoption of a Proclamation declaring October 2026 as Hindu Heritage Month
- Approval of the September 2026 Treasurer’s Statement
- Recognition of 2026 Through My Lens Photo Contest Winners
- San Gabriel Valley Council of Governments 57/60 Update
budgetfinancecommunity-eventsproclamations
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, October 20, 2026
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television:
Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet:
City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only:
Call +1 (562) 247-8321, Access Code: 273-375-256
Participate:
Join Go To Webinar
(https://attendee.gotowebinar.com/register/4797658973392077152)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley Drive, Diamond Bar, CA 917 …
Fri Oct 16, 2026 · 18:00
Planning Commission
Thu Oct 15, 2026 · 18:30
Traffic and Transportation Commission
Traffic and Transportation Commission to review recent traffic statistics
The Commission will meet to review traffic statistics for July and August 2025/2026. The meeting also includes updates on various projects and programs.
- Traffic statistics for July 2025/2026 and August 2025/2026
- Updates of various projects/programs
traffictransportationpublic-works
21810 Copley Drive, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar Traffic and Transportation Commission
City of Diamond Bar
Traffic and
Transportation
Commission
Agenda
Gary Busteed, Chair
Patrick Mercado, Vice-Chair
Amy Mao, Commissioner
Romulo Morales, Commissioner
Raphael Plunkett, Commissioner
Meeting Date: Thursday, October 15, 2026
Special Meeting 6:30 p.m.
Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR TRAFFIC AND TRANSPORTATION COMMISSION
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular Traffic and Transportation Commission meetings are available 72 hours prior to
the meeting and are posted in the City’s regular posting locations and on the City’s website. The
Traffic and Transportation Commission may take action on any item listed on the agenda.
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection in the Public
Works Department at 21810 Copley Drive, Diamond Bar, CA 91765 or online at
www.diamondbarca.gov/agendas. For more information about the agendas or rules of the Traffic
and Transportation Commission, please email the Public Works Department
(
[email protected]) or call 909-839-7040.
AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Amer …
Tue Oct 13, 2026 · 18:30
Planning Commission
Planning Commission to consider 49-unit residential project at 1400 Montefino
The Planning Commission will hold a public hearing regarding a proposal to demolish an office building and construct 49 condominium units on a 3.9-acre site. The body will consider several land use changes and a development agreement with Intracorp SoCal-1, LLC.
- Proposed 49-unit condominium development at 1400 Montefino
- General Plan Amendment to change land use from General Commercial to Medium High Residential
- Zone Change from Commercial Office to Medium High Residential Planned Development Overlay
- Conditional Use Permit to reduce parking from 165 to 120 spaces and open space from 30% to 12%
- Development Agreement between the City and Intracorp SoCal-1, LLC
zoninghousingresidential-developmentland-usepublic-hearing
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar Planning Commission
City of Diamond Bar
Planning Commission
Agenda
Brian Worthington, Chair
Lee Mao, Vice Chair
Surendra Mehta, Commissioner
William Rawlings, Commissioner
Ruben Torres, Commissioner
Meeting Date: Tuesday, October 13, 2026
Regular Meeting 6:30 p.m.
Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR PLANNING COMMISSION
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular Planning Commission meetings are available 72 hours prior to the meeting and
are posted in the City’s regular posting locations and on the City’s website. The Planning Commission
may take action on any item listed on the agenda.
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection in the
Planning Division of the Community Development Department at 21810 Copley Drive, Diamond Bar,
CA 91765 or online at www.diamondbarca.gov/agendas. For more information about the agendas
or rules of the Planning Commission, please email the Community Development Department
(
[email protected]) or call 909-839-7030.
AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Americans with Disabilities Act, if you need special assistance, a disabil …
Tue Oct 6, 2026 · 18:00
Planning Commission
Tue Oct 6, 2026 · 18:30
City Council
Diamond Bar council to vote on Tentative Parcel Map No. 83773 at public hearing
The Diamond Bar City Council meets Tuesday, October 6, 2026, at 6:30 p.m. at the South Coast Air Quality Management District Main Auditorium, 21865 Copley Drive. The main action item is a public hearing on Tentative Parcel Map No. 83773 (Case No. PL2022-119), where the council will consider adopting Resolution No. 2026-32 to approve the map and a Mitigating Negative Declaration. The consent calendar includes approval of the September 15, 2026 minutes and ratification of a check register totaling $782,547.57. The rest of the agenda is largely procedural and informational, including a certificate of recognition, an El Niño preparedness report, and a schedule of future community events.
- Public hearing and possible adoption of Resolution No. 2026-32 for Tentative Parcel Map No. 83773 (Case No. PL2022-119), including a Mitigating Negative Declaration
- Consent calendar: ratification of check register from September 9–22, 2026 totaling $782,547.57
- Consent calendar: approval of September 15, 2026 regular meeting minutes
- City Manager report on El Niño preparedness
- Certificate of Recognition to Aditi Chawla; future events include Measure Q informational presentations on October 12 and 17
zoningland-usebudgetpublic-hearingparcel-mapcity-councilemergency-preparedness
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, October 6, 2026
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television:
Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet:
City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only:
Call +1 (562) 247-8422, Access Code: 630-437-718
Participate:
Join Go To Webinar
(https://attendee.gotowebinar.com/register/1223127979528782425)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley Drive, Diamond Bar, CA 9176 …
Thu Sep 24, 2026 · 18:30
Parks and Recreation Commission
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
Tue Sep 22, 2026 · 18:30
Planning Commission
Planning Commission to decide two conditional use permits at Shea Center
The Diamond Bar Planning Commission will hold public hearings on two conditional use permit applications for businesses at the Shea Center, an industrial office park. The commission is also expected to approve the minutes from its September 8 meeting and receive a project status report. Both proposed uses are categorically exempt from CEQA review.
- CUP PL2026-31: Mosaic Support Center, Inc. to operate an adult learning center in a 2,493 sq ft space at Shea Center
- CUP PL2026-37: Ashley Vierra Fitness to operate a personal fitness studio in a 1,200 sq ft space at Shea Center
- Both projects found categorically exempt from CEQA (Class 15301(a))
- Approval of September 8, 2026 meeting minutes
- Receive and file Project Status Report dated September 22, 2026
conditional-use-permitplanning-commissionpublic-hearingceqabusiness
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar Planning Commission
City of Diamond Bar
Planning Commission
Agenda
Brian Worthington, Chair
Lee Mao, Vice Chair
Surendra Mehta, Commissioner
William Rawlings, Commissioner
Ruben Torres, Commissioner
Meeting Date: Tuesday, September 22, 2026
Regular Meeting 6:30 p.m.
Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR PLANNING COMMISSION
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular Planning Commission meetings are available 72 hours prior to the meeting and
are posted in the City’s regular posting locations and on the City’s website. The Planning Commission
may take action on any item listed on the agenda.
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection in the
Planning Division of the Community Development Department at 21810 Copley Drive, Diamond Bar,
CA 91765 or online at www.diamondbarca.gov/agendas. For more information about the agendas
or rules of the Planning Commission, please email the Community Development Department
(
[email protected]) or call 909-839-7030.
AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Americans with Disabilities Act, if you need special assistance, a disab …
Tue Sep 15, 2026 · 18:30
City Council
Council to approve $1.2M check register and federal advocacy contract
The Diamond Bar City Council will hold a closed session on potential litigation, followed by a regular meeting with routine consent items. Key actions include ratifying a $1,207,937.70 check register, approving a consulting agreement for federal advocacy, and adopting a resolution updating the city's conflict of interest code. No public hearings or major policy decisions are scheduled.
- Ratify check register totaling $1,207,937.70 for Aug 26–Sep 8, 2026
- Approve consulting services agreement with Prince Global Solutions, LLC for federal advocacy through June 30, 2027
- Adopt Resolution No. 2026-31 amending the city's Conflict of Interest Code
- Adopt proclamation declaring Sept 15–Oct 15, 2026 as Hispanic Heritage Month
- Closed session on anticipated litigation (one potential case)
city-councilbudgetcontractsconflict-of-interestproclamationlitigation
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, September 15, 2026
Closed Session 5:30 p.m.
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television:
Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet:
City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only:
Call +1 (562) 247-8422, Access Code: 905-833-150
Participate:
Join Go To Webinar
(https://attendee.gotowebinar.com/register/9109371830750352472)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Cople …
Thu Sep 10, 2026 · 18:00
Traffic and Transportation Commission
21810 Copley Drive, Diamond Bar
Tue Sep 8, 2026 · 18:30
Planning Commission
Commission to weigh 2.3-acre lot split for new home in Diamond Bar
The Planning Commission will hold a public hearing on a request to subdivide a 2.3-acre lot with an existing home into two lots, allowing a future new residence. The project requires a Mitigated Negative Declaration due to the property's steep slope. The commission will also approve prior meeting minutes and receive a project status report.
- Tentative Parcel Map No. 83773: subdivide 100,188 sq ft lot into two (48,352 sq ft and 51,836 sq ft) in Rural Residential zone
- Mitigated Negative Declaration filed Aug 12, 2026; public review ended Sept 1, 2026
- Tribal consultation: Gabrieleño Band of Mission Indians (Kizh Nation) requested Native American monitor during ground disturbance
- Approval of July 28, 2026 meeting minutes
- Receive Project Status Report dated Sept 8, 2026
zoningsubdivisionpublic-hearingceqatribal-consultation
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar Planning Commission
City of Diamond Bar
Planning Commission
Agenda
Brian Worthington, Chair
Lee Mao, Vice Chair
Surendra Mehta, Commissioner
William Rawlings, Commissioner
Ruben Torres, Commissioner
Meeting Date: Tuesday, September 8, 2026
Regular Meeting 6:30 p.m.
Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR PLANNING COMMISSION
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular Planning Commission meetings are available 72 hours prior to the meeting and
are posted in the City’s regular posting locations and on the City’s website. The Planning Commission
may take action on any item listed on the agenda.
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection in the
Planning Division of the Community Development Department at 21810 Copley Drive, Diamond Bar,
CA 91765 or online at www.diamondbarca.gov/agendas. For more information about the agendas
or rules of the Planning Commission, please email the Community Development Department
(
[email protected]) or call 909-839-7030.
AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Americans with Disabilities Act, if you need special assistance, a disabi …
Wed Sep 2, 2026 · 09:00
Public Safety Committee
Public Safety Committee to receive law enforcement and fire updates
The Public Safety Committee will meet to discuss updates regarding the Law Enforcement and Fire Departments. No specific votes or ordinances are listed on this agenda.
- Law Enforcement Update
- Fire Department Update
public-safetypolicefirediamond-bar
Grand Conference Room
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
CITY OF DIAMOND BAR
PUBLIC SAFETY COMMITTEE MEETING
Grand Conference Room
21810 Copley Dr., Diamond Bar, CA 91765
September 2, 2026
9:00 AM
1.
Call to Order
2.
Roll Call
3.
Public Comments
4.
Discussion Items
4.a Law Enforcement Update
4.b Fire Department Update
5.
Committee Member Comments
6.
Adjourn
Tue Sep 1, 2026 · 18:30
City Council
Council to consider 36-unit Tranquil Garden condominium project
The City Council will hold a public hearing regarding a State Density Bonus Law application for the Tranquil Garden 36-unit residential condominium project. The meeting also includes a closed session regarding existing litigation and the ratification of recent city expenditures.
- Public hearing for Tranquil Garden 36-Unit Residential Condominium Project (Planning Case No. PL2025-77)
- Ratification of check register totaling $940,376.16
- Consultant Services Agreement with the Regional Chamber of Commerce - San Gabriel Valley
- Closed session regarding Yan v. City of Diamond Bar litigation
- World Taekwondo Day Proclamation
housingzoningdevelopmentgovernmentfinance
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, September 1, 2026
Closed Session 5:30 p.m.
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television:
Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet:
City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only:
Call +1 (631) 992-3221, Access Code: 814-284-248
Participate:
Join Go To Webinar
(https://attendee.gotowebinar.com/register/8851106444616040285)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley …
Tue Aug 25, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Thu Aug 20, 2026 · 09:00
General
Grand Conference Room,, Diamond Bar
Tue Aug 18, 2026 · 18:30
City Council
Diamond Bar City Council to ratify $1.71M check register, approve minutes
The Diamond Bar City Council is meeting to handle routine administrative items, including approving the minutes from the August 4, 2026 meeting, ratifying a check register totaling $1,711,359.16, and approving the July 2026 Treasurer's Statement. There are no public hearings or council consideration items on the agenda. The meeting also includes a closed session to discuss potential litigation.
- Ratification of check register totaling $1,711,359.16
- Approval of July 2026 Treasurer's Statement
- Approval of August 4, 2026 meeting minutes
- Closed session on potential litigation (one case)
- Certificates of Recognition for United Abacus Arithmetic Association
city-councilbudgetfinanceminuteslitigation
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, August 18, 2026
Closed Session 5:30 p.m.
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television:
Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet:
City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only:
Call +1 (562) 247-8422, Access Code: 136-591-693
Participate:
Join Go To Webinar
(https://attendee.gotowebinar.com/register/2660824094092866137)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley D …
Tue Aug 11, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Tue Aug 4, 2026 · 18:30
City Council
Council to consider labor agreement with AFSCME Local 917
The City Council will discuss adopting a Memorandum of Understanding with the American Federation of State, County, Municipal Employees Local 917. The body will also review a public safety update and routine consent items.
- Adoption of Memorandum of Understanding with AFSCME Local 917 for term August 4, 2026 to June 30, 2031
- Professional Services Agreement with Citiguard, Inc. for security guard services not-to-exceed $229,500
- Ratification of Check Register from July 15 to July 28, 2026 totaling $683,287.08
- Public Safety Update report
- Certificate of Recognition for Ariel Yuhan Hu
labor-agreementpublic-safetycontractsbudget
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, August 4, 2026
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television: Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet: City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only: Call +1 (631) 992-3221, Access Code: 652-477-214
Participate: Join Go To Webinar
(https://attendee.gotowebinar.com/register/2487787351895570270)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley Drive, Diamond Bar, CA 91765 or …
Tue Aug 4, 2026 · 09:00
Economic Development Committee
Committee to discuss revised scope of work for Regional Chamber of Commerce
The Economic Development Committee will meet to discuss the development of a revised scope of work for the Regional Chamber of Commerce - San Gabriel Valley.
- Discussion of revised scope of work for the Regional Chamber of Commerce - San Gabriel Valley
economic-developmentchamber-of-commerceregional-partnership
Grand Conference Room , Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
CITY OF DIAMOND BAR
ECONOMIC DEVELOPMENT COMMITTEE MEETING
Grand Conference Room
21810 Copley Dr.
August 4, 2026
9:00 AM
1. Call to Order
2. Roll Call
3. Public Comments
4. Discussion Items
4.a Development of Revised Scope of Work for the Regional Chamber of Commerce - San
Gabriel Valley
5. Committee Member Comments
6. Adjourn
Tue Jul 28, 2026 · 18:30
Planning Commission
Planning Commission to consider 36-unit condominium project with density bonus
The Diamond Bar Planning Commission will hold a public hearing on a proposed 36-unit residential condominium development called Tranquil Garden, located near Gentle Springs Lane and South Prospectors Road. The project includes a 20% density bonus, one incentive/concession, and is the first development under the new Town Center Specific Plan. The Commission will also approve minutes from the May 26 meeting and receive a project status report.
- Public hearing on Tranquil Garden: 36-unit condo, 0.99 acres, 3 low-income units, state density bonus law invoked
- First development within the newly adopted Town Center Specific Plan
- AB 130 CEQA exemption requested for infill housing
- Approval of May 26, 2026 Planning Commission meeting minutes
- Project status report to be received and filed
planning-commissionzoninghousingdensity-bonusceqa-exemptiontown-center-specific-planpublic-hearing
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar Planning Commission
City of Diamond Bar
Planning Commission
Agenda
Brian Worthington, Chair
Lee Mao, Vice Chair
Surendra Mehta, Commissioner
William Rawlings, Commissioner
Ruben Torres, Commissioner
Meeting Date: Tuesday, July 28, 2026
Regular Meeting 6:30 p.m.
Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR PLANNING COMMISSION
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular Planning Commission meetings are available 72 hours prior to the meeting and
are posted in the City’s regular posting locations and on the City’s website. The Planning Commission
may take action on any item listed on the agenda.
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection in the
Planning Division of the Community Development Department at 21810 Copley Drive, Diamond Bar,
CA 91765 or online at www.diamondbarca.gov/agendas. For more information about the agendas
or rules of the Planning Commission, please email the Community Development Department
(
[email protected]) or call 909-839-7030.
AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Americans with Disabilities Act, if you need special assistance, a disability …
Thu Jul 23, 2026 · 18:30
Parks and Recreation Commission
Commission to approve May 28, 2026 minutes on Consent Calendar
The Diamond Bar Parks and Recreation Commission will consider routine items on the Consent Calendar, including the approval and filing of minutes from the May 28, 2026 meeting. It will also receive and file the July 2026 Recreation Program Update and the July 2026 Maintenance Report. The agenda includes public comment time and a schedule of upcoming community events.
- Consent Calendar – Receive and file minutes of approval for May 28, 2026
- Information Item – Receive and file July 2026 Recreation Program Update
- Information Item – Receive and file July 2026 Maintenance Report
- Schedule of future events (e.g., Healthy Diamond Bar Trail Walk, Senior Dances, Grandparent's Day)
- Public comments – limited to five minutes per speaker
consent-calendarminutesrecreation-programmaintenance-reportpublic-commentsevents
Diamond Bar City Hall - Windmill Room - 21810 Copley Drive, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar Parks and Recreation Commission
City of Diamond Bar
Parks and Recreation
Commission
Agenda
Andrew Wong, Chair
Devang Mehta, Vice Chair
Saman Mahmood, Commissioner
Cynthia Quan, Commissioner
David Wu, Commissioner
Meeting Date: Thursday, July 23, 2026
Regular Meeting 6:30 p.m.
Diamond Bar City Hall – Windmill Community Room
21810 Copley Drive, Diamond Bar CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR PARKS AND RECREATION COMMISSION
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular Parks and Recreation Commission meetings are available 72 hours prior to the
meeting and are posted in the City’s regular posting locations and on the City’s website. The Parks
and Recreation Commission may take action on any item listed on the agenda.
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection in the City
Clerk’s Office at 21810 Copley Drive, Diamond Bar, CA 91765 or online at
www.diamondbarca.gov/agendas. For more information about agendas or rules of the Parks and
Recreation Commission, please email the Parks and Recreation Department
(
[email protected]) or call 909-839-7070.
AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Americans with Disabilities Act, if you need special …
Tue Jul 21, 2026 · 18:30
City Council
City Council to vote on a tax measure for voters
The Diamond Bar City Council will meet to approve a resolution for a voter question on a Transactions and Use Tax. The agenda also includes approving minutes, a check register, and a copier maintenance contract.
- Resolution to submit a Transactions and Use Tax question to voters
- Approval of June 16, 2026 City Council minutes
- Ratification of check register totaling $5,885,849.06
- Maintenance Services Agreement with Integrus LLC not to exceed $85,000
- Surplus of a 2003 Ford Crown Victoria to the Los Angeles County Sheriff's Department
city-counciltaxbudgetcontractsminutessurpluspublic-hearing
South Coast Air Quality Management District, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Ryan McLean ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, July 21, 2026
Closed Session 5:30 p.m.
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television: Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet: City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only: Call +1 (415) 930-5321, Access Code: 327-072-609
Participate: Join Go To Webinar
(https://attendee.gotowebinar.com/register/7515425215842901596)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley Drive, …
Tue Jul 14, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Thu Jul 9, 2026 · 18:30
Traffic and Transportation Commission
Tue Jul 7, 2026 · 18:30
City Council
Thu Jul 2, 2026 · 09:30
Economic Development Committee
Committee to discuss scope of work for Regional Chamber of Commerce
The Economic Development Committee is meeting to discuss the development of a revised scope of work for the Regional Chamber of Commerce - San Gabriel Valley.
- Discussion of revised scope of work for the Regional Chamber of Commerce - San Gabriel Valley
economic-developmentchamber-of-commerceregional-planning
Grand Conference Room,, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
CITY OF DIAMOND BAR
ECONOMIC DEVELOPMENT COMMITTEE MEETING
Grand Conference Room,
21810 Copley Dr.
July 2, 2026
9:30 AM
1. Call to Order
2. Roll Call
3. Public Comments
4. Discussion Items
4.1 Development of Revised Scope of Work for the Regional Chamber of Commerce - San
Gabriel Valley.
5. Committee Member Comments
6. Adjourn
Tue Jun 23, 2026 · 18:30
Planning Commission
Tue Jun 16, 2026 · 18:30
City Council
Council calls November election for three seats, approves contracts and road funding
The City Council will vote on a consent calendar including calling a November 3, 2026 general municipal election for three council seats, authorizing a fleet vehicle lease with Enterprise FM Trust, and submitting a list of SB-1 road repair projects for FY 2026/27. Other items include approving contracts for CDBG administration, home improvement programs, and printing services. The July 7, 2026 council meeting is cancelled.
- Resolution calling Nov. 3, 2026 election for three City Council seats and consolidating with state election
- Master equity lease agreement with Enterprise FM Trust for fleet vehicles and services
- Submission of SB-1 road repair project list for FY 2026/27
- Printing and mailing contract with The Dot Printer, Inc. not to exceed $78,981 for FY 2026/27
- Participation in National Intergovernmental Purchasing Alliance for janitorial supplies up to $65,000 for FY 2026/27
electionbudgetroadscontractsfleetconsent-calendar
South Coast Air Quality Management District/Main Auditorium, Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Dan Fox ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, June 16, 2026
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television:
Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet:
City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only:
Call +1 (914) 614-3221, Access Code: 644-564-348
Participate:
Join Go To Webinar
(https://attendee.gotowebinar.com/register/3996685640358202200)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley Drive, Diamond Bar, CA 91765 or o …
Tue Jun 9, 2026 · 18:30
Planning Commission
Diamond Bar City Hall - Windmill Community Room, Diamond Bar
Tue Jun 2, 2026 · 18:30
City Council
City Council to consider FY 2026/27 operating and capital improvement budget
The City Council will discuss the proposed Fiscal Year 2026/27 budget, including an appropriations limit and employee compensation plan. The body will also consider new policies regarding technology disruptions and public participation during meetings.
- Proposed FY 2026/27 appropriations limit of $68,333,798
- Ratification of check register from May 6 to May 19, 2026, totaling $2,276,633.91
- Three-year cooperation agreement with Los Angeles County Development Authority for CDBG Program (FY 2027-28 through 2029-30)
- Adoption of policies for telephonic/internet service disruptions and public participation (SB 707)
- Approval of April 2026 Treasurer’s Statement
budgetfinancegovernment-policypublic-participation
21865 Copley Dr., Diamond Bar
📄 From the agenda
Extracted text of the official agenda document (automated extraction — may contain OCR/formatting errors).
________________________________________________________________________________________________________________________
City of Diamond Bar City Council
City of Diamond Bar
City Council
Agenda
Steve Tye, Mayor
Ruth M. Low, Mayor Pro Tem
Andrew Chou, Council Member
Stan Liu, Council Member
Chia Yu Teng, Council Member
City Manager Dan Fox ● City Attorney Omar Sandoval ● City Clerk Kristina Santana
Meeting Date: Tuesday, June 2, 2026
Regular Meeting 6:30 p.m.
South Coast Air Quality Management District/Main Auditorium
21865 Copley Drive, Diamond Bar, CA 91765
WELCOME TO A MEETING OF THE DIAMOND BAR CITY COUNCIL
Meetings are open to the public, and you are invited to attend and participate.
Agendas for regular City Council meetings are available 72 hours prior to the meeting and are
posted in the City’s regular posting locations, on DBTV and on the City’s website. The City Council
may take action on any item listed on the agenda.
HOW TO ACCESS THE MEETING REMOTELY
Television: Spectrum Cable Channel 3 and Frontier FiOS television Channel 47
Internet: City’s YouTube Channel (diamondbarca.gov/youtube)
Listen-Only: Call +1 (562) 247-8422, Access Code: 840-925-189
Participate: Join Go To Webinar
(https://attendee.gotowebinar.com/register/5931742542227636055)
RESOURCES
Copies of agendas and agenda packets are on file and available for public inspection at the City
Clerk's Office at 21810 Copley Drive, Diamond Bar, CA 91765 or online …
Showing the 30 most recent meetings of 60 on record. See the yearly meeting archives below for the full history.
💰 Federal awards (top 10 by amount)
Largest recent federal contract/grant awards to recipients in this city (2023–present), via USAspending.gov.
Source: USAspending.gov (U.S. Treasury) — federal awards only, not city budgets.
🌐 County-level context (Los Angeles County)
County-level context — from BLS, IRS, FEMA, HUD, Census. These figures cover the whole county this city sits in, not just the city itself.
Net migration-86,523 people (-$4.38B net AGI · 2023)
Federal disasters (10 yr)29 ({"Fire": 61, "Flood": 10, "Severe Storm": 8, "Earthquake": 3 · last Fri Aug 8, 2025)
Traffic fatalities6 (1 pedestrian · 2024)
Business establishments304,988 (3,987,736 employees · 2023)
Fair Market Rent (2BR)$2,625/mo (87 assisted households · 2025)
Adults with low literacy34.3% (low numeracy 43% · 2017)
Sources: BLS LAUS, IRS SOI, FEMA, NHTSA FARS, Census CBP, HUD, NCES PIAAC
City profile
Everything below is drawn from this city’s own public record and primary-source government data. AI-written summaries are a finding aid, not a citable quote.
65
Permitted housing units
The money — in
source: Census gov-finance & state comptrollerBudget
Revenue$44.5M
Spending$40.4M
Revenue ran ahead of operating spending this year.
The money — out
source: city procurement & payrollWho the city actually cuts checks to.
167 employees on the public payroll — every position and salary is public record.
Outcomes — economic mobility
source: Opportunity Atlas (Harvard) · research useFor kids who grew up here in low-income households, their adult household-income rank (0–1). The average hides a gap by race:
Research-only layer, shown here for context — not included in the CC BY 4.0 bulk download.
Where it’s happening
geocoded land-use decisions🗺 Interactive map
Every rezoning, development approval, and permit — explore the geocoded records in the
research explorer.
Meeting archives
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