Public Works

The Public Works Department provides information on general engineering matters relating to City streets, public right-of-ways, City’s capital projects, utilities, traffic related issues, and more. The Department is responsible for the day-to-day maintenance of all publicly owned properties, including streets, curbs, gutters, sidewalks, traffic signals, signs, streetlights, sewers/storm drains and landscaping.

Contact Information
909.839.7040
publicworks@diamondbarca.gov

 

Park Closed for Maintenance - update
Sycamore Canyon Park maintenance closure– More »

7/4/2017 | 5:00 PM - 9:30 PM
7/4/2017 | 6:30 PM
7/13/2017 | 7:00 PM