Land Use & Zoning (alternative)

In Maryland, an accessory dwelling unit (ADU) is typically:

AA structure used exclusively for commercial purposes
BA secondary housing unit on a single-family property such as a basement apartment or detached cottage✓ Correct
CA temporary structure not subject to zoning
DProhibited in all Maryland residential zones

Explanation

An ADU (accessory dwelling unit) is a secondary dwelling on a single-family lot — a basement apartment, carriage house, or detached cottage. Maryland counties increasingly permit ADUs to address housing supply needs.

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