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Los Angeles County Public Works plans, designs, builds, and maintains modern infrastructure that uplifts all communities. Please contact us with any questions, feedback, service requests, or other needs.

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Public Works Headquarters

900 S. Fremont Ave.
Alhambra, CA 91803

Mon – Thurs | 7am – 5pm
General Information: (626) 458-5100

Public Works will be closed in observance of County Holidays

Urgent Requests 24/7: (800) 675-HELP (4357)

vision & mission

Our strategic plan sets us on the path of becoming the most trusted public agency in the region by providing infrastructure and services that improve the quality of life for our residents.


We currently employ over 3,400 people in approximately 450 separate job classifications including professional, technical, clerical, and skilled craft workers.

Volunteer program

Public Works encourages County residents, employees, and retirees to volunteer their time and talents to public service programs such as community events, support services, and outreach.

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