Wicomico County, MD Accessory Structures: Garage Conversions (2026)
Garage conversion rules in Wicomico County, MD, sometimes called garage-to-ADU or accessory living unit conversions, govern permits, ceiling height, egress, and parking replacement.
Key Facts
- Approved method
- Garage conversion listed in § 225-60D(1)(a)
- Approval needed
- Board of Appeals special exception
- Size cap
- 50% of principal dwelling living area
- Street entrances
- Only one facing the street, generally
- Design match
- Finish, roof pitch, trim must match house
- Fine
- Up to $500 per day (§ 225-23)
Summary
Converting an attached garage into living space in unincorporated Wicomico County creates an accessory apartment, which Zoning Code § 225-60D lists as one of only three approved conversion methods. The county still requires Board of Appeals special exception approval, and the converted space cannot add a second street-facing entrance unless the house already had one before the work began.
D. Attached accessory apartment development standards. All attached accessory apartments should meet the following: (1) An accessory apartment may only be created through the following methods: (a) Converting existing living area, attic, basement or attached garage; (b) Adding floor area; (c) Construction of new principal dwelling with an internal accessory apartment or a new attached dwelling to an existing principal dwelling unit. (2) Location of entrances. Only one entrance may be located on the facade of the principal dwelling facing the street, unless the dwelling or attached dwelling contained additional entrances before the accessory dwelling unit was created.
Full Breakdown
Under § 225-60D, Wicomico County treats a garage conversion as a way of creating an attached accessory apartment, alongside converting existing living area, attic or basement, adding new floor area, or building a new principal dwelling with an internal unit. The conversion does not skip the underlying special exception requirement in § 225-60B: the property must already hold a detached single-family or two-family dwelling, and the Board of Appeals must approve the apartment before it is occupied. Once converted, the space is subject to the same design standards as any other accessory apartment: exterior finish materials, roof pitch, trim, window proportions and eave projections must visually match the principal dwelling, and the finished unit cannot exceed 50% of the principal dwelling's living area.
Section 225-60D(2) adds an entrance rule specific to attached conversions: only one entrance may face the street on the facade of the principal dwelling, unless the dwelling already had additional street-facing entrances before the garage was converted; entrances that do not access from ground level, such as those from balconies or decks, are exempt from this limit. Parking displaced by the garage conversion must be replaced consistent with the off-street parking standards in Part 10 of the Zoning Code. Converting a garage without the special exception, or occupying it before final approval, is enforced the same way as any other unpermitted accessory apartment, through the Department of Planning, Zoning and Community Development.
Violations & Fines
An unapproved garage conversion is a civil zoning violation under § 225-23A, carrying a fine of up to $500 per violation with each day of noncompliance treated as a separate offense. Officers authorized by the Planning Director may cite the property owner, tenant, contractor or agent responsible, and the Board of Appeals can revoke the special exception if the converted unit violates its approved conditions.
Frequently Asked Questions
Can I convert my attached garage into an accessory apartment in Wicomico County?
Does a converted garage need to match the house's exterior?
Can the converted garage have its own front door facing the street?
What if I convert the garage without approval?
Sources & Official References
Other rules in Wicomico County
Compare Wicomico County to another location·View the Maryland accessory structures overview
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