Diamond Bar, CA | Official Website

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Water Restrictions in Place

residents required to reduce water use by 20 percent until further notice
Business of the Month

Congratulations to Business of the Month - F45 Training Diamond
Vendors Sought for Bridal Show

The City has started accepting applications from wedding-related professionals and businesses interested in participating as vendors.
2021 Photo Contest Winners

Congratulations to all the photo contest winners - these images truly captured the spirit of Diamond Bar
Until Further Notice, City Facilities Will Be Open By Appointment Only

City’s COVID-19 Protocol Update - Limited Access to City Facilities/Appointments Available
City Commission Openings

Applications are currently being accepted to fill 15 seats on the City’s three commissions
Latest News from City Hall

Weekly issues contain brief news and information about City programs, services and construction projects.

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Free Tax Preparation Assistance for Ages 55+

Starting February 1, AARP will be available to provide tax assistance at the Diamond Bar Center
City to Test its Emergency Notification System

As part of its emergency preparedness efforts, the City is conducting a quarterly test of its notification system, AlertSense, on Monday, January 31.
Renew or Apply for a Business License Online

It is now possible to renew or apply for a business license without having to come into City Hall, and the process is easy and convenient.