Social Security Offices in San Mateo, California
1 office ยท San Mateo County
San Mateo has one Social Security field office, in San Mateo County. It serves the city and the surrounding area, the closest office for 8 nearby communities, and is one of California's 124 field offices. Its address, hours, phone number, and directions are below.
- office in city
- 1
- communities served
- 8
- people in service area
- 118K
- county
- San Mateo County
- to next-nearest city
- 6.9 mi
The San Mateo office on the map
1 location, Social Security offices in San Mateo. Click a pin for the address and a link.
The San Mateo Social Security office
Visiting a San Mateo office
- Most services now require an appointment. Book by calling the office or 1-800-772-1213 (TTY 1-800-325-0778).
- Bring a photo ID and your Social Security number, plus original documents for your request.
- Field offices are open weekdays only and closed on federal holidays. Check the exact hours on each office page above.
- Skip the trip when you can: replace a card, get a benefit letter, or update direct deposit online at ssa.gov.
Towns served by the San Mateo office
Many nearby towns have no Social Security office of their own, so the San Mateo office is their closest option. It's the nearest field office for 8 surrounding communities, the largest is Foster City (32,517 residents):
| Town | Distance | Population |
|---|---|---|
| Foster City, CA | 2.6 mi | 32,517 |
| Burlingame, CA | 3 mi | 30,106 |
| Millbrae, CA | 4.5 mi | 22,277 |
| Half Moon Bay, CA | 9.2 mi | 11,363 |
| Hillsborough, CA | 3.5 mi | 11,016 |
| El Granada, CA | 9.3 mi | 6,069 |
| Highlands, CA | 3.3 mi | 2,985 |
| Baywood Park, CA | 2.8 mi | 1,786 |
Other Social Security offices near San Mateo
More Social Security help
San Mateo Social Security offices: FAQs
- How many Social Security offices are in San Mateo?
- San Mateo, California has 1 Social Security field office, listed below with its address, hours, and phone number.
- Do I need an appointment at the San Mateo office?
- Since 2025 the SSA asks most visitors to book an appointment before coming in. Call the office directly or the national line at 1-800-772-1213 (TTY 1-800-325-0778) to schedule one and cut your wait.
- What should I bring to a San Mateo Social Security office?
- Bring a photo ID and your Social Security number, plus original documents for your request, for example, proof of identity and citizenship or immigration status for a new or replacement card.
- What's the nearest Social Security office to San Mateo?
- The closest field office outside San Mateo is in Redwood City, about 6.9 miles away. More nearby offices are listed on this page.
- Can I avoid visiting a San Mateo office?
- Many tasks, replacing a card, checking an application, getting a benefit verification letter, or updating direct deposit, can be done online with a free my Social Security account at ssa.gov, with no visit needed.