Agenda — Diamond Bar City Council, September 1, 2026

________________________________________________________________________________________________________________________ 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 Drive, Diamond Bar, CA 91765 or online at www.diamondbarca.gov/agendas. For more information about agendas or rules of the City Council, please email the City Clerk's office ([email protected]) or call 909-839-7010.

AMERICANS WITH DISABILITY ACT ACCOMMODATION
In compliance with the Americans with Disabilities Act, if you need special assistance, a disabilityrelated modification or accommodation, agenda materials in an alternative format, or auxiliary aids to participate in this meeting, please email the City Clerk's office ([email protected]) or call 909-839-7010 as soon as possible. Providing at least 72 hours’ notice will help ensure that reasonable arrangements can be made.

TRANSLATION ASSISTANCE
The City does not provide translation services, but sufficient space can be provided for individuals who wish to be accompanied by a translator at the meeting. For specific assistance, please contact Diamond Bar City Council Agenda September 1, 2026
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the City Clerk 72 hours before the meeting.

PUBLIC INPUT
The public may provide public comment by attending the meeting in person, by sending an email, or by logging into the teleconference. Please email public comments to the City Clerk ([email protected]) by 4:00 p.m. on the day of the meeting and indicate in the Subject Line “FOR PUBLIC COMMENT.” Written comments will be distributed to the City Council Members, noted for the record at the meeting, and posted on the City’s official agenda webpage: www.diamondbarca.gov/agendas. Please note that the meeting will proceed at the South Coast Air Quality Management District/Main Auditorium should comments by teleconferencing become infeasible due to an internet or power outage, or due to technical problems outside the City's control. If you wish to make certain that your comments are heard, please attend the meeting in person or send an email by 4:00 p.m. on the day of the meeting/hearing.

Speakers are limited to five (5) minutes per agenda item, unless the Mayor determines otherwise. The Mayor may adjust this time limit depending on the number of people wishing to speak, the complexity of the matter, the length of the agenda, the hour and any other relevant consideration.

Speakers may address the Council only once on an agenda item, except during public hearings, when the applicant/appellant may be afforded a rebuttal. Any material to be submitted to the City Council at the meeting should be submitted through the City Clerk.

Public comments must be directed to the City Council. A person who disrupts the orderly conduct of the meeting after being warned by the Mayor or the Mayor’s designee that their behavior is disrupting the meeting may result in the person being removed from the meeting.

LIVE MEETING NOTICE
This meeting is being video recorded and by participating you are giving your permission to be televised. This meeting will be rebroadcast every Saturday and Sunday at 9:00 a.m. and alternate Tuesdays at 8:00 p.m.

Diamond Bar City Council Agenda September 1, 2026
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1. CLOSED SESSION: 5:30 p.m., CC-8 Conference Room, In Person ONLY - no teleconference

CLOSED SESSION PUBLIC COMMENT
The Public Comment portion of the City Council Closed Session is limited to matters appearing on the Closed Session. Additional opportunities for further Public Comment will be given during the regular meeting.

CONFERENCE WITH LEGAL COUNSEL - EXISTING LITIGATION
Pursuant to Government Code Section 54956.9(d)(1): Yan v. City of Diamond Bar, LASC Case No. 19STCV18770; Cal. Ct. App. Case No. B339583.

2. CALL TO ORDER: 6:30 p.m., Main Auditorium
PLEDGE OF ALLEGIANCE: Mayor Tye
INVOCATION: Deacon Alfred Guerrero, St. Denis Catholic Church ROLL CALL: Council Members Chou, Liu, Teng, Mayor Pro Tem Low, Mayor Tye APPROVAL OF AGENDA: Mayor Tye

3. SPECIAL PRESENTATIONS, CERTIFICATES, PROCLAMATIONS:

3.1 World Taekwondo Day Proclamation.

4. CITY MANAGER REPORTS AND RECOMMENDATIONS:

5. PUBLIC COMMENTS:
“Public Comments” is the time reserved on each regular meeting agenda to provide an opportunity for members of the public to directly address the Council on Consent Calendar items or other matters of interest not on the agenda that are within the subject matter jurisdiction of the Council. Although the City Council values your comments, pursuant to the Brown Act, members of the City Council or Staff may briefly respond to public comments if necessary, but no extended discussion and no action on such matters may take place. There is a five-minute maximum time limit when addressing the City Council.

6. SCHEDULE OF FUTURE EVENTS:

6.1 Labor Day Holiday - City Offices Closed - September 7, 2026.

6.2 Planning Commission Meeting - September 8, 2026, 6:30 p.m., City Hall Windmill Room, 21810 Copley Dr.

6.3 Coffee with a Cop - September 9, 2026, 5:30 - 7:30 p.m., Coffee Bean & Tea Leaf, 235 S.

Diamond Bar Blvd.

6.4 Traffic and Transportation Commission Meeting - September 10, 2026, 6:30 p.m. - canceled.

6.5 Grandparents Day Celebration - September 13, 2026, 10:00 a.m. - 12:00 p.m., Diamond Bar Center, 1600 Grand Ave.

6.6 City Council Meeting - September 15, 2026, 6:30 p.m., South Coast Air Quality Management District - Auditorium, 21865 Copley Dr.

7. CONSENT CALENDAR:

All items listed on the Consent Calendar are considered by the City Council to be routine and will be acted on by a single motion unless a City Council Member or member of the public request otherwise, in which case, the item will be removed for separate consideration.

7.1 City Council Minutes of the August 18, 2026 Regular Meeting.

Recommended Action:

Approve the August 18, 2026 Regular City Council Meeting Minutes.

7.2 Ratification of Check Register August 12, 2026 through August 25, 2026 totaling $940,376.16.

Recommended Action:

Ratify the Check Register.

7.3 Consultant Services Agreement with the Regional Chamber of Commerce - San Gabriel Valley through June 30, 2027.

Recommended Action:

Approve and authorize the City Manager to sign the Consulting Services Agreement with the Regional Chamber of Commerce – San Gabriel Valley through June 30, 2027.

8. PUBLIC HEARINGS:

8.1 State Density Bonus Law Application, Vesting Tentative Tract Map No. 83259 and Development Review for Tranquil Garden 36-Unit Residential Condominium Project Planning Case No. PL2025-77.

Recommended Action:

A. Open the public hearing to receive public testimony; B. Close the public hearing; and
C. Adopt Resolution No. 2026-30: Approving a State Density Bonus Law application, Vesting Tentative Tract Map No. 83259 and Development Review, based on the Findings of Fact, and subject to the Conditions of Approval contained therein; and find that the Project is statutorily exempt from the California Environmental Quality Act pursuant to Public Resources Code Section 21080.66.

9. COUNCIL CONSIDERATION:

9.1 League of California Cities Resolution at the 2026 Annual General Assembly.

Recommended Action:

Provide direction to the City's Delegate on the proposed Resolution to be considered at the League of California Cities General Assembly Meeting.

10. COUNCIL SUB-COMMITTEE REPORTS AND MEETING ATTENDANCE REPORTS:

11. ADJOURNMENT:

CERTIFICATION
I, Kristina Santana, MMC, City Clerk, City of Diamond Bar, hereby certify, under penalty of perjury under the laws of the State of California that the foregoing notice was posted pursuant to Government Code Section 54950 Et. Seq., not less than 72 hours prior to the meeting, at the following locations: Diamond Bar City Hall Kiosk, Diamond Bar City Hall Bulletin Board, City website: www.diamondbarca.gov, and Diamond Bar Library.

Kristina Santana, MMC
City Clerk
Date Posted: August 28, 2026

Diamond Bar City CouncilSeptember 1, 2026

Diamond Bar City Council
September 1, 2026