District 4 - Public Affairs

Caltrans District 4 - Oakland

Serving the Counties of Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma.

General Information

Phone: (510) 286-4444

Physical Address:

California Department of Transportation
District 4
111 Grand Ave
Oakland, CA 94612

Mailing Address:

California Department of Transportation
District 4
P.O. Box 23660
Oakland, CA 94623-0660

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