Town Hall Address 34 Campbell St. Avella, PA 15312 United States- Washington County Website http://independence.patownship.org/ Tax Collector 724-587-3518 34 Campbell St. Avella, PA 15312 United States Zoning 724-503-4125 100 Courson Hill Rd. Washington, PA 15301 United States Sewer 412-767-5100 267 Blue Run Rd., Suite 200 Cheswick, PA 15024 United States County Washington