Texas · Office Details From SSA, Updated March 9, 2026
There is one Social Security office in San Marcos, TX: the San Marcos Social Security Office ((866) 388-8515).
900 Bugg Lane, Suite 200
San Marcos, TX 78666
Call (866) 388-8515 for the San Marcos Social Security OfficeDirections to the San Marcos Social Security Office
927 S St Hwy 123 Byp
Seguin, TX 78155 · about 22 mi
Call (877) 445-0831 for the Seguin Social Security OfficeDirections to the Seguin Social Security Office
5508 US-290 W, Bldg B
Austin, TX 78735 · about 26 mi
Call (855) 221-3523 for the Austin South Social Security OfficeDirections to the Austin South Social Security Office
1029 Camino La Costa
Austin, TX 78752 · about 34 mi
Call (866) 627-6991 for the Austin Social Security OfficeDirections to the Austin Social Security Office
402 Isom Rd
San Antonio, TX 78216 · about 41 mi
Call (866) 571-0718 for the San Antonio Central Social Security OfficeDirections to the San Antonio Central Social Security Office
Straight-line distance from the center of San Marcos.
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Appeals from these offices are heard at Dallas, TX (Downtown) Hearing Office and San Antonio, TX Hearing Office. Dallas, TX (Downtown) Hearing Office · San Antonio, TX Hearing Office
Every Social Security office in Texas · All hearing offices · Find your office by ZIP code
Independent site, not affiliated with the Social Security Administration. Office and hearing office details come from SSA's public data and locators. To apply for benefits, appeal or manage your record, go to SSA directly at ssa.gov.