Diamond Bar City Council District 4 · Nov 3, 2026

Chia-Yu Teng

Candidate for City Council District 4 (incumbent)

5 candidates · 3 seats7 sourced positions

Chia-Yu Teng, the incumbent, is running for Diamond Bar City Council District 4 in the Nov 3, 2026 election, against Lee Mao.

Mail ballots sent to all registered voters · Mon, Oct 5, 2026

Today

Physician and co-founder of Central Health Plan of California, on the Diamond Bar City Council since 2022. He is the District 4 incumbent.

Steve Tye, Andrew Chou and Chia-Yu Teng are incumbents whose terms expire in November 2026. City of Diamond Bar

Where Chia-Yu Teng stands: positions on the record

Measure Q1 sourced position

Voted no on Resolution No. 2026-28, which placed the Measure Q sales tax question on the November ballot (passed 4-1, July 2026).
Council voteDiamond Bar City Council minutes, July 21, 2026 (in Aug. 4 agenda packet) · Jul 21, 2026

Federal advocacy contract1 sourced position

Voted no on the motion not to approve the Prince Global Solutions consultant services agreement (motion passed 3-2, September 2026).
Council voteDiamond Bar City Council minutes, Sept. 15, 2026 (in Oct. 6 agenda packet) · Sep 15, 2026

Council meeting policy1 sourced position

Made a motion to bring an item to Council on a policy allowing public use of the Windmill Room; there was no second and the motion failed (September 2026).
Council voteDiamond Bar City Council minutes, Sept. 15, 2026 (in Oct. 6 agenda packet) · Sep 15, 2026

Downtown development1 sourced position

States support for the Town Center Specific Plan on his campaign site.
“Dr. Teng supports the long-term vision for the Town Center Specific Plan, which would transform approximately 45 acres into a pedestrian-friendly, mixed-use downtown area.”
Own statementRe-Elect Dr. Chia-Yu Teng (campaign site)

City budget1 sourced position

States support for responsible budgeting on his campaign site.
“Dr. Teng supports responsible budgeting, careful use of taxpayer dollars, and long-term financial planning to maintain essential city services without compromising Diamond Bar’s financial stability.”
Own statementRe-Elect Dr. Chia-Yu Teng (campaign site)

Public safety1 sourced position

Lists public safety as his highest priority on his campaign site.
“Keeping Diamond Bar safe remains Dr. Teng’s highest priority.”
Own statementRe-Elect Dr. Chia-Yu Teng (campaign site)

Past candidacy1 sourced position

Ran for Diamond Bar City Council, District 4 in 2022 (won).
Own statementLos Angeles County Registrar-Recorder · Nov 8, 2022

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