| Business | Phone |
| Asotin County Developmental 549 5th St A, Clarkston 99403 | (509) 758-9842 |
| Asotin County Extension Agent 2535 Riverside Dr, Clarkston 99403 | (509) 758-5147 |
| Asotin County Shop 2250 S Slope Ln, Clarkston 99403 | (509) 758-6491 |
| Clarkston Animal Shelter 102 13th St, Clarkston 99403 | (509) 758-1675 |
| Clarkston Public Works Dir 830 5th St, Clarkston 99403 | (509) 758-1662 |
| Clarkston City Inspector 830 5th St, Clarkston 99403 | (509) 758-5597 |
| Clarkston Sewer Treatment Plnt 102 13th St, Clarkston 99403 | (509) 758-1674 |
| Clarkston Street Div 1455 Bridge St, Clarkston 99403 | (509) 758-1671 |