| Business | Phone |
| County Administrator 101 Court St # 230, Weaverville 96093 | (530) 623-1382 |
| County Landfill 173 Tom Bell Rd, Weaverville 96093 | (530) 623-4262 |
| County Recorder 101 Court St, Weaverville 96093 | (530) 623-1215 |
| Trinity County Animal Control 563 Mountain View, Weaverville 96093 | (530) 623-1370 |
| Trinity County Bldg Inspector 303 Trinity Lakes Blvd, Weaverville 96093 | (530) 623-1354 |
| Trinity County Coroner 101 Court St, Weaverville 96093 | (530) 623-3144 |
| Trinity County Data Processing 101 Court St Basement, Weaverville 96093 | (530) 623-1263 |
| Trinity County Dept Of Trans 303 Trinity Lakes Blvd, Weaverville 96093 | (530) 623-1365 |
| Trinity County Gain Program 618 Main St, Weaverville 96093 | (530) 623-1499 |
| Trinity County Jury Svc 101 Court St, Weaverville 96093 | (530) 623-1201 |
| Trinity County Marshal 101 Court St, Weaverville 96093 | (530) 623-1400 |
| Trinity County Personnel Office 101 Court St # 227, Weaverville 96093 | (530) 623-1325 |
| Trinity County Planning Dept 303 Trinity Lakes Blvd Fl Ll, Weaverville 96093 | (530) 623-1351 |
| Trinity County Rc & D 3 Horseshoe Ln, Weaverville 96093 | (530) 623-2009 |
| Trinity County Recorder 101 Court St, Weaverville 96093 | (530) 623-1222 |
| Trinity County Registrar-Voter 101 Court St, Weaverville 96093 | (530) 623-1220 |
| Trinity County Sealer Weights 173 Tom Bell Rd, Weaverville 96093 | (530) 623-1356 |
| Trinity County Veterans Svc Weaverville 96093 | (530) 623-1365 |
| Trinity County Victim Witness 101 Court St, Weaverville 96093 | (530) 623-1204 |