Accessory Structures in Prince George's County, MD (2026)

3 rules for unincorporated Prince George's County, Maryland.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Prince George's County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Shed & Carport Rules

Under the 2022 Zoning Ordinance (Sec. 27-5202), a shed or detached accessory structure may not sit in a required front yard. It may go in a side or rear yard, but any structure over 10 feet tall needs an extra foot of setback for every foot above 10.

Prince George's County Shed Rules

Some Restrictions

Sec. 27-5202(c)(5)

…an accessory structure, other than a fence or wall, that is more than ten feet in height is set back from the nearest side or rear lot line one foot for every foot…the structure's height exceeds ten feet.

Full ordinance details →Official source ↗

Garage Conversions

Converting a garage into living space in Prince George's County requires DPIE building permits and must meet the 2022 Zoning Ordinance. Because accessory dwelling units are not permitted, a converted garage cannot become a separate, independent dwelling with its own kitchen.

Prince George's County Garage Conversion Rules

Some Restrictions

Sec. 27-5203(a)(2)

Unless otherwise specifically permitted, an accessory use in a residential dwelling in a Rural and Agricultural or Residential base zone shall be limited to twenty percent (20%) of the gross floor area of the dwelling.

Full ordinance details →Official source ↗

Tiny Homes

The 2022 Zoning Ordinance has no 'tiny house' use, and a manufactured home, recreational vehicle, or travel trailer may not be used as a dwelling except a limited transient use. A movable tiny home on wheels cannot serve as a permanent residence or accessory dwelling.

Prince George's County Tiny Home Rules

Heavy Restrictions

Sec. 27-5303(b), Transient Manufactured Home or Recreational Vehicle Residence

The manufactured home or recreational vehicle shall be located on a lot with an area of at least five acres. … The Temporary Use Permit shall be valid for no more than 120 cumulative days per any one year…

Full ordinance details →Official source ↗

All Prince George's County ordinances

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