Main Office for Service First 102 West Bianchi Road Stockton, CA 95207 O.D.P./DUI – North Stockton 3422 West Hammer Lane – Suite A, B, & C Stockton, CA 95219 Center Street Treatment Program 1001 North Center Street Stockton, CA 95202 Representative Payee Program – Stockton 7 West Acacia Street Stockton, CA 95202 Modesto Office 1124 11th Street, Ste. A Modesto, CA 95354