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ADU Town Regulations

York, ME

May 18, 2024

Last Updated

About

York is a town in York County, Maine, United States, near the southern tip of the state. The population in the 2020 census was 13,723. Situated beside the Atlantic Ocean on the Gulf of Maine, York is a well-known summer resort town. It is home to three 18-hole golf clubs, four sandy beaches, and Mount Agamenticus. From south to north, it is divided into the villages of Bald Head, York Village, York Harbor, York Beach and Cape Neddick.

ADU Rules

  • Only one ADU is allowed per lot.

  • Short term rentals are not permitted in the ADU, principal dwelling, or on a lot where an ADU is constructed.

  • The property owner must reside in either the ADU or the primary dwelling during a portion of each calendar year.

  • The gross floor area of the ADU may not exceed 50% of the total gross floor area of the primary dwelling or 850 square feet, whichever is less.

    • Gross floor area does not include garage or unfinished attic space.

    • The minimum gross floor area is 190 square feet.

  • A home business or occupation can be conducted in either the ADU or primary dwelling but not both.

  • ADUs must be designed to maintain the character of the primary dwelling.

    • Exterior stairs are not allowed.

    • If the ADU is detached, it must be designed in the style of a barn, garage, carriage house, or similar structure usually located on a single family lot.

    • Wherever realistic, no more than one curb cut is allowed, unless the lot has multiple curb cuts already.

  • If the existing dwelling is on a well, a test must be completed and reported to the Code Enforcement Officer.

  • Detached ADUs must be no further than 150 feet from the primary dwelling.

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