San Mateo Social Security Office

Social Security field office in San Mateo, California · San Mateo County

Source: Social Security Administration field office list September 2026

Address and phone

(866) 726-8193office line

800 South Claremont St, Suite 101, San Mateo, CA 94402

(833) 950-2108fax

Get directions

Services you can do online at ssa.gov

National line: 1-800-772-1213 (TTY 1-800-325-0778), Mon–Fri 8 AM–7 PM local time.

Hours

Monday: 9:00 AM – 4:00 PM
Tuesday: 9:00 AM – 4:00 PM
Wednesday: 9:00 AM – 4:00 PM
Thursday: 9:00 AM – 4:00 PM
Friday: 9:00 AM – 4:00 PM
Saturday – Sunday: Closed

Closed on federal holidays. Many offices see visitors by appointment; call ahead before you go.

Where it is

County: San Mateo County
Metro area: San Francisco-Oakland-Fremont, CA
State: California
ZIP code: 94402
SSA office code: 967

All offices in California →

Other offices nearby

#	Office	Miles	Address	Phone	Hours
1	Redwood City, CASan Mateo County	7.4	1718 Broadway StRedwood City, CA 94063	(888) 860-5582	Mon–Fri 9 AM–4 PM
2	Daly City, CASan Mateo County	10.9	355 Gellert Blvd, Suite 201Daly City, CA 94015	(888) 748-7702	Mon–Fri 9 AM–4 PM
3	Hayward, CAAlameda County	13.2	24301 Southland Dr, Suite 500Hayward, CA 94545	(866) 964-5054	Mon–Fri 9 AM–4 PM
4	San Leandro, CAAlameda County	14.2	320 Davis StSan Leandro, CA 94577	(866) 331-2181	Mon–Fri 9 AM–4 PM
5	Sf Mission, CASan Francisco County	15.1	3140 16th StSan Francisco, CA 94103	(866) 755-6323	Mon–Fri 9 AM–4 PM
6	Sf Downtown, CASan Francisco County	15.8	90 7th St, Annex 1st FloorSan Francisco, CA 94103	(866) 964-5051	Mon–Fri 9 AM–4 PM
7	East Oakland, CAAlameda County	16	7200 Bancroft Avenue, Eastmont Town Center Ste 263Oakland, CA 94605	(888) 527-9329	Mon–Fri 9 AM–4 PM
8	Sf Chinatown, CASan Francisco County	16.6	560 Kearny StreetSan Francisco, CA 94108	(877) 319-3070	Mon–Fri 9 AM–4 PM

Source: SSA field office list (public ArcGIS copy, Sep 2026). Hours and services can change; check ssa.gov or call the office before visiting. Distances are straight-line miles.