Town Hall Address 406 Jackson Street Jamestown, PA 16134 United States- Mercer County 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 Assessor (724) 662 7551 104 Courthouse Mercer, PA 16137 United States Fire District 724-932-5009 208 Depot St. Jamestown, PA 16134 United States Water (724) 932-5211 406 Jackson St Jamestown, PA 16134 United States County Mercer