Town Hall Address 110 S Main St PO Box 50 Mount Airy, MD 21771 United States- Carroll, Frederick County Website https://www.mountairymd.org/ Zoning 301-829-1424 110 S Main St Mount Airy, MD 21771 United States Fire District (301) 829-0100 702 N Main St Mount Airy, MD 21771 United States Town Clerk 301-829-1424 110 S Main St Mount Airy, MD 21771 United States Water 301-829-1259 110 S Main St PO Box 50 Mount Airy, MD 21771 United States Sewer 301-829-1259 110 S Main St PO Box 50 Mount Airy, MD 21771 United States Tax Collector 301-829-1259 110 S Main St PO Box 50 Mount Airy, MD 21771 United States Code Enforcement 301-703-1375 Ext. 403 205 S Center St Suite 203 Mount Airy, MD 21771 United States County Carroll, Frederick