Diamond Bar, CA | Official Website

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Concerts in the Park Return This Summer

UPDATE-Registration and reserved seating are no longer required for summer concert series attendance. See webpage for more details
Indoor Mask Mandate

The indoor mask mandate has been reinstated effective July 17 in response to a rise in transmission rates of COVID-19
New IVHS Fees

Changes to fees collected by IVHS for dog licenses, impound services, food and care, and owner release take effect July 1
City to Launch an Expanded Appointment System

City offices open June 14 for public access, appointment system available for phone, video or in-person services
Residents Invited to Enter Photo Contest

Capture your life in Diamond Bar through photos! Through My Lens contest entries accepted until August 31
Good Neighbor Awards

Help recognize and honor those that have demonstrated acts of outstanding service during the past year.

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Easily Request Public Records

Online portal makes it easier and more convenient to request and track public record requests.
New City Mobile App

The City has released a new and improved version of its mobile app... quickly and easily ask a question or request a service from any mobile device.
Free Used Oil Change Kits Available

Did you know that used motor oil can be recycled and reused indefinitely? Make an appointment to pick-up your free used oil change kit while supplies last.

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