ADU Town Regulations
Auburn, ME
Sep 16, 2024
Last Updated
About
Auburn, Maine, is an energetic city located in Androscoggin County, with a current population of approximately 25,217 as of 2024. Known for its rich history in the textile industry, close-knit community and growing economy, Auburn is a hub of activity in the Lewiston-Auburn metropolitan area. The city offers a mix of urban amenities and outdoor recreational opportunities and is home to the Androscoggin Bank Colisee, a popular venue for sports and entrainment, and boasts beautiful parks like the Auburn Riverwalk, which provides scenic views along the Androscoggin River. With a rich history and a steadily increasing population, Auburn is a welcoming and dynamic place to live and explore.
ADU Rules
Accessory dwelling units are permitted outright in all residential zones that permit single-family homes, and may be developed with new or existing single-family homes.
The home or accessory dwelling unit must be the principal place of residence for the homeowner.
Only one (1) accessory dwelling unit may be permitted per single-family residence.
An accessory dwelling unit shall not be larger than 50% percent of the square footage of the single-family home with garage space not being included in the calculation. In no case shall the accessory dwelling unit be more than 950 square feet, nor less than 300 square feet, nor have more than two bedrooms.
Exterior appearance / modifications requirements:
Any alterations shall not change the appearance from that of a single-family residence, as determined by the planning director.
Only one exterior entrance is allowed to the accessory dwelling unit and it can be located no closer than 10 feet to an adjoining property line.
Any exterior stairs shall be placed in the rear or side setback and no closer than 10 feet to an adjoining property line.
Where garage space is converted to living space, the garage door shall be replaced with materials that match the exterior of the house. If a detached garage is converted, its appearance must still be that of a detached garage and the detached garage must be able to be used for parking of at least one vehicle.
Parking requirements:
The parking required for the existing single-family home must meet all requirements of the zoning code including amount, size and setback requirements in order for an accessory dwelling unit to be allowed.
One (1) additional parking space, beyond those required for the single-family home, is required for an accessory dwelling unit. The additional parking space must also meet all requirements of the zoning code.
Newly created parking shall make use of existing curb cuts, when possible.
An accessory dwelling unit may not be sold as a separate piece of property, or as a condominium unit, unless allowed by the existing zoning on the property.
Any homeowner seeking to establish an accessory dwelling unit shall apply for approval in accordance with the following procedures:
The homeowner shall apply for an accessory dwelling unit permit with the city. A complete application shall include a properly completed application form, floor and structural plans, and fees.
Before issuance of the certificate of occupancy for an accessory dwelling unit, the homeowner must provide a copy of a statement recorded with the county in which the subject property is located..