| Business | Phone |
| Walla Walla Cnty Bldg Inspctn 310 W Poplar St 201, Walla Walla 99362 | (509) 527-3285 |
| Walla Walla Cnty Equipment Svc 1401 Dell Ave, Walla Walla 99362 | (509) 527-3239 |
| Walla Walla Cnty Juvenile Dept 455 W Rose St, Walla Walla 99362 | (509) 527-3275 |
| Walla Walla Cnty Works Dept 990 Navion Ln, Walla Walla 99362 | (509) 527-3241 |
| Walla Walla Commissioners 315 W Main St 203, Walla Walla 99362 | (509) 527-3200 |
| Walla Walla County Ext 328 W Poplar St, Walla Walla 99362 | (509) 527-3260 |
| Walla Walla County Fairgrounds 363 Orchard St, Walla Walla 99362 | (509) 527-3247 |
| Walla Walla County Passport 315 W Main St, Walla Walla 99362 | (509) 527-3221 |
| Walla Walla Data Processing 315 W Main St 103, Walla Walla 99362 | (509) 527-3224 |
| Walla Walla Farm Labor Camp 165 Labor Camp Rd, Walla Walla 99362 | (509) 525-6853 |
| Emergency Medical Svc 310 W Poplar St 8, Walla Walla 99362 | (509) 525-4490 |
| Walla Walla County Law Library 315 W Main St 3, Walla Walla 99362 | (509) 527-3229 |
| Walla Walla Cnty Superior Crts 315 W Main St, Walla Walla 99362 | (509) 527-3228 |