Town Hall Address 1742 Mercer-West Middlesex Rd Mercer, PA 16137 United States- Mercer County Website https://www.mcc.co.mercer.pa.us/township/lackawannock.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 724-981-5055 1742 Mercer-West Middlesex Rd Mercer, PA 16137 United States County Mercer