Falmouth, Maine

Falmouth, Maine Accessory Dwelling Unit (ADU) Rules

City Acceptance Rating: 10/10
last updated 4/13/2020

What you need to know about Falmouth

In 2016 Falmouth, ME revised its Accessory Dwelling Unit (ADU) rules making all types of ADUs allowed by right. This means homeowners can build a 2nd small home on their property without applying for a special permit which saves time, aggravation, and money.

These attractive ADU rules give homeowners the ability to sell their backyard, create space for family, or even build a small home to rent out and generate rental income.

Opportunities in Falmouth, Me:

• Sell your un-subdividable backyard

• Build a small home to rent out

• Create space for family

Type of Permit Required:

ADUs are allowed by right. Homeowners only need to apply for a building permit to build an ADU/small home in their backyard.

Other ADU Rules in Falmouth:

• ADUs are allowed by right in all residential zoning districts

• The ADUs living area cannot exceed that of the existing house or 850SF, whichever is larger

• The ADU and primary house can only have one main entrance. Other entrances must be designed to appear subordinate

Download Falmouth’s full zoning bylaw

Download the Accessory Dwelling Unit rules section

Download lot size and setback requirements.