Where Is the San Marcos Social Security Office, and When Is It Open?
The San Marcos Social Security Office is a Social Security field office at 900 Bugg Lane, Suite 200, San Marcos, TX 78666, phone (866) 388-8515. SSA lists its hours as Monday to Friday, 9:00 AM to 4:00 PM. Appeals from people this office serves are heard at the Dallas, TX (Downtown) Hearing Office in Dallas, TX.
From SSA's office data (updated March 9, 2026), checked against SSA's Office Locator on October 1, 2026. Closed on federal holidays.
Visit, Call or Go Online?
Online
Many tasks don't need this office. With a my Social Security account you can often request a replacement card, change your address or get a benefit letter.
Phone
Call (866) 388-8515 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday to Friday, 8 a.m. to 7 p.m. local time.
SSA's Office of Hearings Operations lists the Dallas, TX (Downtown) Hearing Office as the hearing office for people the San Marcos office serves. If you ask for a hearing after a denied disability or benefits claim, an administrative law judge from this office handles it.
Address
Harwood Center, Suite 2300, 1999 Bryan Street, Dallas, TX 75201
San Marcos Social Security Office: Questions and Answers
What Time Does the San Marcos Social Security Office Open?
Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (updated March 9, 2026). It's closed on weekends and federal holidays.
Can You Walk in to the San Marcos Social Security Office Without an Appointment?
SSA asks people to make an appointment before visiting an office. You can schedule online or by calling (866) 388-8515 or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778). See how to make an appointment.
Where Are Appeals From the San Marcos Office Heard?
SSA's Office of Hearings Operations lists the Dallas, TX (Downtown) Hearing Office as serving the San Marcos field office. It's at Harwood Center, Suite 2300, 1999 Bryan Street, Dallas, TX 75201, phone (866) 563-3885. You usually ask for a hearing through your field office or online, not at the hearing office.
Is the San Marcos Social Security Office the Right Office for My ZIP Code?
SSA assigns 12 ZIP codes to this office: 78610, 78616, 78619, 78622, 78640, 78644, 78648, 78655, 78656, 78661, 78666 and 78676. If yours is listed, this is your office.
What Is the Nearest Other Social Security Office?
The Seguin Social Security Office in Seguin, TX, about 22 mi away ((877) 445-0831).
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.