(707) 996-0712

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Fax: (707) 996-2452

See Staff page (click on Staff, below) for staff contact information.

To visit our physical offices:

Use this map (we are located at the green arrow). Or, go to the main intersection of Sonoma Developmental Center, 15000 Arnold Drive. Turn east, away from the historic brick administration building, onto Harney Drive. Proceed across a narrow bridge. IMMEDIATELY on the other side of the bridge, turn left into the driveway and park in the lot.

For general mail:

Sonoma Ecology Center

P.O. Box 1486

Eldridge, CA 95431

Shipping address:

Sonoma Ecology Center

15000 Arnold Dr

Creekside Complex

Eldridge, CA 95431