| Business | Phone |
| Sumner City Building Official 1104 Maple St, Sumner 98390 | (253) 299-5522 |
| Sumner City Human Resources Sumner 98390 | (253) 891-3337 |
| Sumner City Planning 1104 Maple St, Sumner 98390 | (253) 891-3301 |
| Sumner City Prosecutor 1104 Maple St, Sumner 98390 | (253) 891-3304 |
| Sumner Permit Ctr Sumner 98390 | (253) 299-5530 |
| Sumner Sewer Treatment Plant 13214 63rd St E, Sumner 98390 | (253) 299-5760 |
| City Of Sumner 1104 Maple St, Sumner 98390 | (253) 299-5501 |