San Mateo Social Security Office

Directions to the San Mateo office

• From Highway 101, take the 3rd Avenue exit 416 (west towards Downtown).
• Go four blocks and turn left on Claremont; continue four blocks.
• The office is on the right Hand side before Ninth Avenue.

San Mateo office location

Services at the San Mateo Social Security office

Staff at the San Mateo office handle the full range of Social Security business, including:

• Apply for a new or replacement Social Security card
• Apply for retirement, disability (SSDI), or SSI benefits
• Change your name on your Social Security record
• Update direct deposit and mailing address
• Request proof of benefits or a benefit verification letter
• Get help enrolling in Medicare
• Check the status of an application or appeal

Want to prepare first? See our guides on getting an award letter, checking your earnings record, and when to claim retirement.

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):

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Other Social Security offices near San Mateo

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Frequently asked questions about the San Mateo office

What are the hours of the San Mateo Social Security office?

The San Mateo office is generally open 9am to 4pm, Monday through Friday, and closed on weekends and federal holidays. The live status and full weekly hours are at the top of this page, call ahead, as hours can change.

Do I need an appointment at the San Mateo office?

Since 2025, the Social Security Administration asks most visitors to schedule an appointment before visiting a field office. Call (866) 726-8193 or 1-800-772-1213 to book one and reduce your wait.

What is the phone number for the San Mateo Social Security office?

You can reach the office at (866) 726-8193 (TTY 1-800-325-0778), or use the SSA national line at 1-800-772-1213 (TTY 1-800-325-0778), Monday to Friday.

Which towns does the San Mateo Social Security office serve?

Besides San Mateo, this is the closest office for about 8 surrounding communities, including Foster City, Baywood Park, Burlingame, Highlands, Hillsborough. There's a full list of nearby towns and distances on this page.

Is there another Social Security office near San Mateo?

The next-closest field office is in Redwood City, about 6.9 miles away. Other nearby offices are listed on this page with their distances.

Can I replace my Social Security card without visiting the San Mateo office?

In most states you can request a replacement card online with a free my Social Security account at ssa.gov, no office visit needed. You can also check applications, request benefit letters, and update direct deposit there.