The District headquarters is located in the Alameda County Public Works Agency building:

399 Elmhurst Street
Hayward, CA 94544

Hours of Operation

8:30 a.m.–5:00 p.m.

Driving Directions

  • From Highway 880, take the Winton Ave. East exit.
  • At the first signal, turn RIGHT onto Santa Clara Street.
  • Go one block to the next light. Turn LEFT onto Elmhurst Street.
  • Public Works building is the second complex on the LEFT.


Street parking is limited. There are a small number of metered parking spots in the parking lot in the back of the Public Works building. The entrance to the Alameda County Parking Garage, which is located at the east end of Elmhurst, can be found by crossing Amador Street and following the signs to the LEFT.