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Maryland
ADU Rules by Municipality in Maryland
Browse ADU rules for 125 municipalities across Maryland.
Allegany County
Cumberland
Frostburg
Unincorporated Allegany
Anne Arundel County
Annapolis
Highland Beach
Unincorporated Anne Arundel
Baltimore County
Baltimore City
Unincorporated Baltimore
Calvert County
Chesapeake Beach
North Beach
Unincorporated Calvert
Caroline County
Denton
Federalsburg
Goldsboro
Greensboro
Preston
Unincorporated Caroline
Carroll County
Hampstead
Manchester
New Windsor
Sykesville
Taneytown
Unincorporated Carroll
Westminster
Cecil County
Charlestown
Elkton
Perryville
Port Deposit
Rising Sun
Unincorporated Cecil
Charles County
Indian Head
La Plata
Unincorporated Charles
Dorchester County
Cambridge
Hurlock
Unincorporated Dorchester
Frederick County
Brunswick
Emmitsburg
Frederick
Middletown
Mount Airy
Myersville
New Market
Thurmont
Unincorporated Frederick
Walkersville
Woodsboro
Garrett County
Friendsville
Mountain Lake Park
Oakland
Unincorporated Garrett
Harford County
Aberdeen
Bel Air
Havre De Grace
Unincorporated Harford
Howard County
Unincorporated Howard
Kent County
Betterton
Chestertown
Millington
Rock Hall
Unincorporated Kent
Montgomery County
Barnesville
Brookeville
Chevy Chase Section 5
Chevy Chase Town
Gaithersburg
Poolesville
Rockville
Somerset
Takoma Park
Unincorporated Montgomery
Washington Grove
Prince George's County
Berwyn Heights
Bowie
Capitol Heights
Cheverly
College Park
Colmar Manor
District Heights
Eagle Harbor
Fairmount Heights
Glenarden
Greenbelt
Hyattsville
Laurel
Mount Rainier
New Carrollton
Seat Pleasant
Unincorporated Prince George's
Upper Marlboro
Queen Anne's County
Barclay
Centreville
Church Hill
Queenstown
Unincorporated Queen Anne's
Somerset County
Princess Anne
Unincorporated Somerset
St. Mary's County
Leonardtown
Unincorporated St. Mary's
Talbot County
Easton
Oxford
St. Michaels
Trappe
Unincorporated Talbot
Washington County
Boonsboro
Clear Spring
Funkstown
Hagerstown
Keedysville
Sharpsburg
Smithsburg
Unincorporated Washington
Williamsport
Wicomico County
Delmar
Fruitland
Mardela Springs
Pittsville
Salisbury
Sharptown
Unincorporated Wicomico
Worcester County
Berlin
Ocean City
Pocomoke City
Snow Hill
Unincorporated Worcester
