Town Hall Address 217 Mercer St. Harmony, PA 16037 United States- Butler County Website http://harmony-pa.us/ Deed Registry 724-284-5340 https://www2.co.butler.pa.us/paxworld/ Monday - Friday: 8:30 A.M. - 4:30 P.M. 124 West Diamond St., Floor L Butler, PA 16003 United States Zoning 724-584-1695 217 Mercer St. Harmony, PA 16037 United States Fire District 724-452-4046 543 Main St. Harmony, PA 16037 United States Water 724-452-6780 217 Mercer St. Harmony, PA 16037 United States Code Enforcement 724-584-1695 217 Mercer St. Harmony, PA 16037 United States County Butler