| Business | Phone |
| Washington County Controller 100 W Beau St # 403, Washington 15301 | (724) 228-6800 |
| Washington County Finance Dept 100 W Beau St # 703, Washington 15301 | (724) 228-6894 |
| Washington County Treasurer 100 W Beau St # 102, Washington 15301 | (724) 228-6780 |
| Washington Tax Assessment 100 W Beau St, Washington 15301 | (724) 228-6850 |
| Washington Tax Claim Bureau 100 W Beau St # 204, Washington 15301 | (724) 228-6767 |