Town Hall Address 136 Osborn Rd Greenville, PA 16125 United States- Mercer County Website https://www.mcc.co.mercer.pa.us/TOWNSHIP/salem.htm Deed Registry (724) 662-3800 http://www.mercerassessor.com/ias-portal Monday - Friday 8:30 am - 4:30 pm 109 Courthouse Mercer, PA 16137 United States Tax Collector 724-253-2081 434 Osborn Rd Hadley , PA 16130 United States Code Enforcement 724-927-2020 7351 S. Lake Rd Jamestown, PA 16134 United States County Mercer