San Marcos Social Security Office

Directions to the San Marcos office

• Highway 78 to San Marcos Boulevard.
• Go west to Via Vera Cruz.
• Turn right.
• Office is two Bldgs down on right at the corner of Boardwalk.
• Nct Bus #347 Stops Directly in front of the office.

San Marcos office location

Services at the San Marcos Social Security office

Staff at the San Marcos 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 Marcos office

Many nearby towns have no Social Security office of their own, so the San Marcos office is their closest option. It's the nearest field office for 12 surrounding communities, the largest is Escondido (150,665 residents):

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Other Social Security offices near San Marcos

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Frequently asked questions about the San Marcos office

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

The San Marcos 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 Marcos office?

Since 2025, the Social Security Administration asks most visitors to schedule an appointment before visiting a field office. Call (866) 614-4769 or 1-800-772-1213 to book one and reduce your wait.

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

You can reach the office at (866) 614-4769 (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 Marcos Social Security office serve?

Besides San Marcos, this is the closest office for about 12 surrounding communities, including Lake San Marcos, Harmony Grove, Elfin Forest, Del Dios, Escondido. There's a full list of nearby towns and distances on this page.

Is there another Social Security office near San Marcos?

The next-closest field office is in Oceanside, about 8.9 miles away. Other nearby offices are listed on this page with their distances.

Can I replace my Social Security card without visiting the San Marcos 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.