SSA splits Alameda's 91 ZIP codes among 15 offices: 14 to the Berkeley Social Security Office, 13 to the Sf Mission Social Security Office, 13 to the Oakland Dt Social Security Office, 10 to the Sf Downtown Social Security Office, 7 to the San Mateo Social Security Office, 7 to the Concord Social Security Office, 7 to the Hayward Social Security Office, 6 to the Sf Chinatown Social Security Office, 4 to the Daly City Social Security Office, 3 to the San Leandro Social Security Office, 3 to the East Oakland Social Security Office, 1 to the Redwood City Social Security Office, 1 to the Fremont Social Security Office, 1 to the Richmond Social Security Office and 1 to the San Rafael Social Security Office. For 15 of them, the assigned office isn't the closest one, so check your ZIP before you go.
ZIP codes 94530, 94608, 94702, 94703, 94704, 94705, 94706, 94707, 94708, 94709, 94710, 94720, 94803 and 94805 go to the Berkeley Social Security Office, 2045 Allston Way, Berkeley.
ZIP codes 94107, 94110, 94112, 94114, 94116, 94124, 94127, 94128, 94131, 94132, 94134, 94158 and 94188 go to the Sf Mission Social Security Office, 3140 16th St, San Francisco.
ZIP codes 94501, 94502, 94601, 94602, 94606, 94607, 94609, 94610, 94611, 94612, 94613, 94618 and 94619 go to the Oakland Dt Social Security Office, 360 22nd St, Suite 400, Oakland.
ZIP codes 94102, 94103, 94115, 94117, 94118, 94121, 94122, 94123, 94129 and 94130 go to the Sf Downtown Social Security Office, 90 7th St, Annex 1st Fl, San Francisco.
ZIP codes 94010, 94030, 94066, 94401, 94402, 94403 and 94404 go to the San Mateo Social Security Office, 800 South Claremont St, Suite 101, San Mateo.
ZIP codes 94516, 94549, 94556, 94563, 94575, 94583 and 94595 go to the Concord Social Security Office, 2150 John Glenn Dr, STE 400, Concord.
ZIP codes 94541, 94542, 94544, 94545, 94546, 94552 and 94580 go to the Hayward Social Security Office, 24301 Southland Dr, Suite 500, Hayward.
ZIP codes 94104, 94105, 94108, 94109, 94111 and 94133 go to the Sf Chinatown Social Security Office, 560 Kearny Street, San Francisco.
ZIP codes 94005, 94014, 94015 and 94080 go to the Daly City Social Security Office, 355 Gellert Blvd, Suite 201, Daly City.
ZIP codes 94577, 94578 and 94579 go to the San Leandro Social Security Office, 320 Davis St, San Leandro.
ZIP codes 94603, 94605 and 94621 go to the East Oakland Social Security Office, 7200 Bancroft Avenue, Eastmont Town Center STE 263, Oakland.
ZIP code 94065 goes to the Redwood City Social Security Office, 1718 Broadway St, Redwood City.
ZIP code 94587 goes to the Fremont Social Security Office, 3100 Mowry Ave, Suite 100, Fremont.
ZIP code 94804 goes to the Richmond Social Security Office, 3164 Garrity Way, Richmond.
ZIP code 94920 goes to the San Rafael Social Security Office, 99 Smith Ranch Road, Suite 200, San Rafael.
Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Alameda (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.