Social Security Offices in San Mateo, California
San Mateo is served by 1 published Social Security Field Office at 800 South Claremont St, Suite 101 (94402).
Compare local addresses, direct phone numbers, weekday hours, and closest branches for 10 nearby towns.
San Mateo Social Security Office Listings (1)
Field Office #967
Checking status…San Mateo, CA 94402
800 South Claremont St, Suite 101, San Mateo, CA 94402Mon–Fri: 9:00 AM – 4:00 PM
San Mateo Social Security Office Map
San Mateo Social Security Office Hours
Standard Weekday Hours (Wed Closes 12:00 PM)
- Monday 9:00 AM – 4:00 PM
- Tuesday 9:00 AM – 4:00 PM
- Wednesday 9:00 AM – 12:00 PM
- Thursday 9:00 AM – 4:00 PM
- Friday 9:00 AM – 4:00 PM
- Saturday Closed
- Sunday Closed
Best Time to Visit San Mateo & Closures
Typical Wait Pattern & 2026–2027 Holiday Closures
Upcoming Federal Holiday Closures
Can You Skip a Trip to a San Mateo Social Security Office?
🟢 Online or Phone
Replacement SSN card · Award letter · Direct deposit🟡 Book Appointment
Retirement · SSDI · SSI · Medicare (1-800-772-1213)🔴 Visit with Originals
First SSN card · Legal name change · Citizenship| Task | Best Method | Fastest Option | San Mateo Visit Notes & Required Originals |
|---|---|---|---|
| Replace a Social Security card | 🟢 Online / Phone | Online at SSA.gov or by phone | Bring unexpired photo ID only if online replacement is unavailable. |
| Benefit verification (award) letter | 🟢 Instant Online | Download PDF online or call 1-800-772-1213 | No trip to a San Mateo office needed unless urgent printed proof is required. |
| Update direct deposit or address | 🟢 Online / Phone | Online account or automated phone line | Can be completed without visiting a San Mateo branch. |
| Apply for Retirement, SSDI, or Medicare | 🟡 Call First | Online application or phone interview | Call your local San Mateo branch or 1-800-772-1213 to book an appointment. |
| Apply for SSI benefits | 🟡 Call First | Scheduled phone or in-person interview | Call ahead; bring income, bank, and residency documents. |
| First-time SSN card or legal name change | 🔴 Visit with Originals | Start online, then bring originals | Must present original or certified marriage/court order + unexpired photo ID. |
Other Social Security Offices Near San Mateo
Redwood City, CA 94063
1718 Broadway St
Daly City, CA 94015
355 Gellert Blvd, Suite 201
Hayward, CA 94545
24301 Southland Dr, Suite 500
San Leandro, CA 94577
320 Davis St
San Francisco, CA 94103
3140 16th St
San Francisco, CA 94103
90 7th St, Annex 1st Fl
Closest Social Security Office for Towns Near San Mateo
| Nearby Town | Closest Listed Office | Distance |
|---|---|---|
| Hillsborough, CA | San Mateo office | 2.3 mi |
| Baywood Park, CA | San Mateo office | 2.7 mi |
| Burlingame, CA | San Mateo office | 3.1 mi |
| Highlands, CA | San Mateo office | 3.4 mi |
| Belmont, CA | San Mateo office | 3.6 mi |
| Foster City, CA | San Mateo office | 3.6 mi |
| Millbrae, CA | San Mateo office | 5.3 mi |
| El Granada, CA | San Mateo office | 8.8 mi |
| Half Moon Bay, CA | San Mateo office | 9.4 mi |
| Moss Beach, CA | San Mateo office | 10.5 mi |
Frequently Asked Questions: San Mateo Social Security Offices
How many Social Security offices are in San Mateo, CA?
San Mateo has 1 published Social Security Field Office at 800 South Claremont St, Suite 101 (94402).
What are the published hours for San Mateo Social Security offices?
The published schedule for the San Mateo field office is Mon–Fri: 9:00 AM – 4:00 PM. Closed on weekends and federal holidays.
What is the closest alternative Social Security office outside San Mateo?
The nearest other mapped Social Security office is in Redwood City, CA (7.4 miles away).
Do I need an appointment to visit a San Mateo Social Security office?
Yes, most in-person tasks require an appointment. Call the direct branch phone number listed above or 1-800-772-1213 before visiting. Start online services at my Social Security (SSA.gov) ↗.
Is this an official SSA page?
No. SSA Office Finder is an independent public directory. Visit SSA.gov ↗ for official government instructions.
Official government portal: Social Security Administration (SSA.gov) ↗