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

 

Long-term Grand Avenue WB On-Ramp Closure
closed until February 2018– More »
Grand Avenue Interchange Ramp Closures
Closures start Nov 14 to Feb 2018– More »