Town Hall Address 800 North Hermitage Road Hermitage, PA 16148 United States- Mercer County Website https://www.hermitage.net/ 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 County Mercer