| Business | Phone |
| Building Inspection 621 Sheridan St, Port Townsend 98368 | (360) 379-4455 |
| Cooperative Extension 1322 Washington St, Port Townsend 98368 | (360) 385-9158 |
| County Custodian 1820 Wynn Jones Rd E, Port Townsend 98368 | (360) 385-9170 |
| Parks & Campground Info 1322 Washington St, Port Townsend 98368 | (360) 385-9129 |
| Jefferson County Accounting 1820 Jefferson St, Port Townsend 98368 | (360) 385-9121 |
| Jefferson County Commissioners 1820 Jefferson St, Port Townsend 98368 | (360) 385-9100 |
| Jefferson County Info Svc 1820 Jefferson St, Port Townsend 98368 | (360) 385-9171 |
| Jefferson County District Ct 1820 Jefferson St, Port Townsend 98368 | (360) 385-9135 |
| Jefferson County Hazardous Wst 282 10th St, Port Townsend 98368 | (360) 379-6911 |
| Jefferson County Juvenile Svc 1820 Jefferson St, Port Townsend 98368 | (360) 385-9190 |
| Jefferson County Landfill 325 Landfill Rd, Port Townsend 98368 | (360) 385-3194 |
| Jefferson County Recording 1820 Jefferson St, Port Townsend 98368 | (360) 385-9116 |
| Jefferson County Memorial Fld 550 Washington St, Port Townsend 98368 | (360) 385-0806 |
| Jefferson County Voter Rgstrtn 1820 Jefferson St, Port Townsend 98368 | (360) 385-9119 |