| Business | Phone |
| San Jacinto Appraisal 99 Slade St, Coldspring 77331 | (936) 653-4479 |
| San Jacinto Cnty Commissioners Highway 150 & Byrd Stamp;, Coldspring 77331 | (936) 653-2811 |
| San Jacinto Commissioner 141 Fm 222 Loop N, Coldspring 77331 | (936) 653-5045 |
| San Jacinto District Clerks 1 State Highway 150 4, Coldspring 77331 | (936) 653-2909 |
| San Jacinto Extension Agent 111 State Highway 150, Coldspring 77331 | (936) 653-2396 |
| San Jacinto Indigent Health Highway 150 & Bird Stamp;, Coldspring 77331 | (936) 653-2091 |
| San Jacinto Justice Of Peace 111 State Highway 150 A2, Coldspring 77331 | (936) 653-4578 |
| San Jacinto Senior Citizens 60 Butler St, Coldspring 77331 | (936) 653-4175 |
| San Jacinto Veterans Svc Ofc Coldspring Annex, Coldspring 77331 | (936) 653-2270 |
| Compactor Precinct 1 Highway 222 & Highway 150amp;, Coldspring 77331 | (936) 653-2509 |
| San Jacinto County 411 Judge 1 State Highway 150 23, Coldspring 77331 | (936) 653-5470 |