Baltimore Gas and Electric (BG&E)
800-685-2210
410-685-0123
Washington Gas
800-752-7520
703-750-1000
Pepco
202-833-7500
Frederick Gas
301-662-2151
Allegheny Power
800-255-3443
WSSC
301-206-4001
Bowie Water Dept.
301-262-6200
Anne Arundel Water
410-222-1144
Howard County Water
410-313-2058
Rockville Water Dept.
240-314-8420
D.C. Water Dept.
202-442-8000
Carroll County Water
410-386-2164
Charles County Water
301-645-0624
Calvert County Water
301-855-1243 x329
Frederick City Water
301-694-1421
Frederick County Water
301-694-1111
Verizon
Maryland Propery Tax Rates
Maryland Property Tax Offices
Maryland SDAT Offices
Maryland Recording Manual