City Council


Mayor’s Corner

The Diamond Bar mayor shares information about upcoming community events and topical matters of local interest through a monthly Mayor’s Corner message posted at the start of every month.

City Council Meetings and Agenda

The Diamond Bar City Council meets on the first and third Tuesdays of the month at 6:30 p.m. in the SCAQMD Auditorium (21865 Copley Drive, CA 91765). View meeting calendar.

View City Council Meetings

 The meetings are broadcast on Charter Spectrum cable channel 3, Frontier FiOS channel 47 and also can be viewed live and archived online on the City’s website.

Agendas & Minutes

Agendas are available the Friday afternoon prior to the scheduled meeting. 

View Most Recent Agendas and Minutes

To view archived City Council meeting related documents including, agendas, reports, minutes, ordinances and resolutions, visit the Online Records Library. These include approved meeting minutes from 1989 to present.

Request City Council Recognition Online

If you would like to request recognition from the City Council, please submit your request for approval at least 30 days in advance of the date needed. Recognition Request Form


City Clerk’s Office at (909) 839-7010


City Council Overview

The City of Diamond Bar is a general law city incorporated on April 18, 1989. It is governed by the city council/city manager form of government. A five-member city council is elected by the residents, and a mayor is elected annually by the council to serve a one-year term. The city manager is appointed by the council to oversee the daily activities of the City