Yarmouth, Maine

Yarmouth, Maine Accessory Dwelling Unit (ADU) Rules

City Acceptance Rating: 3/10

last updated 9/24/2020

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ADU Rules in Yarmouth:

  • Only one (1) ADU permitted per lot

  • Maximum of 900 sq ft

  • ADU must be within required setbacks; ADUs are not eligible for variances to setbacks

  • Exterior design must be compatible with the existing home on the lot and must be in harmony with and maintain the scale of the neighborhood

  • Either primary home nor ADU must be primary residence of homeowner and must remain in common ownership

  • Both the primary home and ADU must be connected to public water and sewer

  • Detached ADUs are required to have a fire sprinkler system

  • One (1) parking space is required for the ADU

See the full text here: Site Plan Review Ordinance, Section 702, Article J, Section 13

Attached ADU, Convert Existing Space, Detached ADUChris LeeFriendliness Score: 3/10, Yarmouth, Maine, Greater Portland