ADU Town Rules & Regulations
Acton, ME
May 1, 2026
Last Updated
About
Acton, Maine, is a small rural town located in York County, with a population of approximately 2,719 as of 2023. Known for its scenic beauty and quiet charm, Acton is a popular destination for those looking to enjoy the outdoors including attractions such as ROMAC Orchards, where visitors can pick their own apples, and the Pine Ridge Campground, offering a quiet retreat in nature. One of the town's premiere highlights is the Acton Fair, held annually at the Acton Fairgrounds. This traditional agricultural fair has been a local favorite for decades, featuring livestock shows, carnival rides, and plenty of local food. Another notable event is the Maine Renaissance Faire, which also takes place at the Acton Fairgrounds. This event brings a burst of color and excitement to the town, with Renaissance-themed performances, vendors, and activities for all ages. Acton's combination of charming rural landscapes and engaging community events makes it a delightful spot to visit in southern Maine.
ADU Rules
Update: At the May 2025 Town Meeting, Acton voters passed Article 30, which updated the town’s Zoning Bylaw regarding Accessory Dwelling Units (ADUs) to align with Maine’s statewide housing legislation (the Affordable Homes Act)
Accessory Dwelling Units (ADU) Town of Acton Zoning Ordinance Requirements:
Only one accessory dwelling unit located within or detached from an owner occupied single-family dwelling shall be permitted
The lot on which the accessory dwelling unit is situated shall meet all current dimensional
requirements within the district
The unit shall contain no more than eight hundred (800) square feet
The construction of the unit shall meet all applicable building codes and subsurface
wastewater disposal rules