Town Hall Address 2873 Mercer Butler Pike Grove City, PA 16127 United States- Mercer County Website http://www.libertytwplife.org/ 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 724-794-1773 519 N. Liberty Rd Grove City, PA 16127 United States Zoning 724-992-0739 416 Garden Ave. Grove City, PA 16127 United States Town Hall Hours M T W Th 8:30 AM - 11:30 AM County Mercer