Not legal advice. This is a free reference compiled from official government sources. Laws change and local details matter. Confirm every deadline with the official source or a licensed attorney before you rely on it.
Deadline: Every 2 years from the license issue; also: licenses expire on January 31
A building with 2 or more dwelling units, rooms or apartments for occupancy needs an Anne Arundel County Multiple Dwelling License. Licenses are issued for 2 years and expire on January 31; renew online in Land Use Navigator or on paper. Tell the Director of Inspections and Permits in writing within one week after transferring the property.
Who it covers: Not required for single-family dwellings, an accessory dwelling with one unit, roommate situations, or a two-unit dwelling where the owner lives in one unit. Owners living outside the county must name a county-resident agent and alternate agent. A Zoning Certificate of Use is required.
"Anne Arundel County requires a Multiple Dwelling License (MDL) for a dwelling with 2 or more dwelling units, rooms, portions thereof, or apartments available for occupancy." aacounty.org
"This does not include: dwellings with two dwelling units where one of 2 units is owner-occupied, accessory dwellings with one dwelling unit, roommate situations, or single-family dwellings." aacounty.org
"Multiple Dwelling licenses expire on January 31 and are issued on a 2-year basis." aacounty.org
"Each person holding a license shall give written notice to the Director of Inspections and Permits within one week after having transferred or otherwise disposed of the legal control of a licensed multiple dwelling or rooming house." aacounty.org
Notes: Anne Arundel County Inspections and Permits pages; fee table (aac-mdl-fees) not quoted because its column layout does not extract cleanly. Which odd or even years apply to a given license was not stated.
Last verified 2026-10-20 · Confidence: high · Status: verified · Report a correction
Health Department (and Fire Marshal) inspection of licensed multiple dwellings every two years at renewal Verified
Deadline: Every 2 years from the license issue; also: licenses expire on January 31
Licensed multiple dwellings are inspected by the Anne Arundel County Department of Health every two years as part of license renewal, and by the Fire Marshal's Office where applicable.
Who it covers: Applies to licensed multiple dwellings; a two-unit dwelling where the owner lives in one unit does not need the license.
"The Department of Health inspects licensed multiple dwellings once every two years as part of the license renewal." aahealth.org
"All properties must be inspected and approved by the Anne Arundel County Department of Health and Fire Marshal’s Office, if applicable." aacounty.org
Notes: Anne Arundel County Department of Health dwellings page. Owner-occupied two-unit exemption taken from the license page (the inspection is part of license renewal).
Last verified 2026-10-20 · Confidence: high · Status: verified · Report a correction