Capital Improvements/Traffic Transportation Engineering
200 H Street – Basement
Antioch, CA 94509
Tel: (925) 779-7050
Hours: 8:00 AM – 5:00 PM

Development Engineering
200 H Street – 2nd Floor
Antioch, CA 94509
Tel: (925) 779-7080
Hours: 8:00 AM – 5:00 PM

Maintenance Operations and Utilities
1201 W 4th Street
Antioch, CA 94509
Tel: (925) 779-6950
Hours: 7:00 AM – 4:00 PM