Town Hall Address 22670 Washington St PO Box 1 Leonardtown, MD 20650 United States- St. Mary's County Website https://leonardtown.somd.com/ Zoning (301) 475-4200 Ext. 71500 23150 Leonard Hall Drive Leonardtown, MD 20650 United States Fire District (301) 475-8996 22733 Lawrence Ave Leonardtown, MD 20650 United States Town Clerk 301-475-5350 22670 Washington St PO Box 1 Leonardtown, MD 20650 United States Water (301) 475-5445 22620 Van Wert Ln Leonardtown, MD 20650 United States Sewer (301) 475-5445 22620 Van Wert Ln Leonardtown, MD 20650 United States Tax Collector (301) 475-4472 23150 Leonard Hall Dr Leonardtown, MD 20650 United States Code Enforcement (301) 475-4200 41770 Baldridge Street Leonardtown, MD 20650 United States County St. Mary's