Town Hall Address P.O. Box 95 Barnesville, MD 20838 United States- Montgomery County Website https://www.barnesvillemd.org/ Zoning 240-489-3036 P.O. Box 95 Barnesville, MD 20838 United States Fire District 301-972-8888 19801 Beallsville Rd. Beallsville, MD 20839 United States Town Clerk 240-489-3036 P.O. Box 95 Barnesville, MD 20838 United States Water 240-489-3036 P.O. Box 95 Barnesville, MD 20838 United States Sewer 240-489-3036 P.O. Box 95 Barnesville, MD 20838 United States Tax Collector 240-489-3036 P.O. Box 95 Barnesville, MD 20838 United States Code Enforcement 240-489-3036 P.O. Box 95 Barnesville, MD 20838 United States County Montgomery