| Business | Phone |
| County Of Hays-Office Health 401 Broadway St A, San Marcos 78666 | (512) 393-5520 |
| Hays County Civic Center 1253 Civic Center Loop, San Marcos 78666 | (512) 353-0498 |
| Hays County Civic Center 300 S Clovis Barber Dr, San Marcos 78666 | (512) 353-0498 |
| Hays County Civic Center Ih 35 S, San Marcos 78666 | (512) 353-0498 |
| Hays County Commissioners 111 E San Antonio St 300, San Marcos 78666 | (512) 393-2243 |
| Hays County Judge 111 E San Antonio St, San Marcos 78666 | (512) 393-2204 |
| Hays County Computer Svc 110 E Martin Luther King Dr, San Marcos 78666 | (512) 393-7650 |
| Hays County Constables 111 E San Antonio St 104, San Marcos 78666 | (512) 393-7730 |
| Hays County Extension Agent 1253 Civic Center Loop, San Marcos 78666 | (512) 393-2120 |
| Hays County Grants Adm 111 E San Antonio St, San Marcos 78666 | (512) 393-2211 |
| Hays County Human Resources 111 E San Antonio St, San Marcos 78666 | (512) 393-2223 |
| Honorable Linda A Rodriguez 110 E Martin Luther King Dr, San Marcos 78666 | (512) 393-7625 |
| Hays County Juvenile Detention San Marcos 78666 | (512) 393-5220 |
| Hays County Personnel Dept 111 E San Antonio St 201, San Marcos 78666 | (512) 393-2215 |
| Hays County Purchasing Agent 111 E San Antonio St 101, San Marcos 78666 | (512) 393-2271 |
| Hays County Veterans Officer 102 N L B J Dr 207, San Marcos 78666 | (512) 392-8387 |
| Hays County Victim's Svc 102 N L B J Dr 300, San Marcos 78666 | (512) 393-7617 |
| Hays County Voter Registration 401 Broadway St C, San Marcos 78666 | (512) 393-7310 |
| Honorable Jack Robison 110 E Martin L King Dr 108a, San Marcos 78666 | (512) 393-7700 |
| Honorable Jim Powers 111 E San Antonio St, San Marcos 78666 | (512) 393-2205 |
| Honorable Margie Hernandez 110 E Martin Luther King Dr, San Marcos 78666 | (512) 393-7636 |
| Justice Of The Peace 1307 Uhland Rd, San Marcos 78666 | (512) 393-7871 |