ADU Town Regulations
Bridgton, ME
Feb 1, 2025
Last Updated
About
Bridgton, Maine, is a charming town in Cumberland County with a population of approximately 5,683 residents as of 2023. Nestled in Maine's Lakes Region, Bridgton offers a variety of attractions and events. Outdoor enthusiasts can enjoy skiing at Pleasant Mountain, the state's oldest major ski area, and explore the scenic trails of Pondicherry Park. The town is also home to cultural sites like the Rufus Porter Museum, dedicated to the renowned artist and inventor. Each year, Bridgton hosts the "Four on the Fourth" Road Race, a popular 4-mile event held on July 4th that attracts participants from various regions.
ADU Rules
Location and Eligibility:
No ADU is allowed on a lot without a single-family, two-family, or multi-family dwelling
One (1) ADU is allowed per single-family, two-family, or multi-family dwelling
Detached ADUs must meet the same setbacks as the principal residential structure and cannot exceed the height of the primary dwelling
ADUs cannot be constructed in existing detached accessory structures
ADUs outside of shore-land zones are not considered additional dwelling units for lot area or residential density calculations
Construction and Design:
Minimum floor area of 190 square feet
Maximum floor area of 1,000 square feet or 50% of the primary dwelling's floor area, whichever is smaller
Floor area excludes unfinished attic, basement, or cellar spaces
ADUs can be located within or attached to the primary dwelling, in an accessory structure, or as a separate structure on the lot
ADUs cannot have more than two stories
Utilities:
If connected to public sewer, both the ADU and primary dwelling must be connected, with proof of adequate service
If using a septic system, the system must meet Maine’s Minimum Lot Size law and state rules for subsurface wastewater disposal
If connected to public water, proof of adequate service is required. If using a well, proof of potable water is needed