Town Hall Address 3904 Finleyville-Elrama Rd. Finleyville, PA 15332 United States- Washington County Website https://uniontwp.psatstwp.org/ Tax Collector 724-348-9000 3904 Finleyville-Elrama Rd., Suite 1 Finleyville, PA 15332 United States Zoning 724-348-4250 3904 Finleyville-Elrama Rd. Finleyville, PA 15332 United States Sewer 724-348-6860 3904 Finleyville-Elrama Rd. Finleyville, PA 15332 United States County Washington