Town Hall Address 7407 Lamor Rd Mercer, PA 16137 United States- Mercer County Website http://www.jeffersontwppa.com/ 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 866-701-7206 7407 Lamor Rd Mercer, PA 16137 United States Zoning 724-662-3310 7407 Lamor Rd Mercer, PA 16137 United States Fire District 724-662-2881 1648 Bend Rd Mercer, PA 16137 United States County Mercer