Featured
Atlas Builders Inc
Portland, ME
4.5(3)
Prefab ADUADU Planning
Specializing in ADU construction and related services in Portland, ME.
Find the best ADU builders and contractors across Maine. Browse 1 cities with 2 verified builders ready to help with your accessory dwelling unit project.
Specializing in ADU construction and related services in Portland, ME.
Specializing in ADU construction and related services in Portland, ME.
Full-service ADU construction companies that handle everything from design to completion.
Specialists in converting existing garages into livable accessory dwelling units.
Builders specializing in custom-designed ADUs tailored to your property and needs.
Contractors specializing in attached or detached in-law suites and granny flats.
Companies that help navigate ADU permitting, zoning, and regulatory requirements.
Maine is home to a growing ADU market with 2 builders across 1 cities. Accessory dwelling units are becoming increasingly popular in Maine as homeowners look for ways to add living space, generate rental income, or provide housing for family members. Whether you're looking for a prefab ADU, custom-built backyard cottage, garage conversion, or in-law suite, our directory helps you find experienced local builders who understand Maine's building codes and permit requirements.
ADU regulations vary by city and county in Maine. Many municipalities have recently updated their zoning laws to make it easier to build ADUs. Our listed builders can help you navigate local regulations, obtain necessary permits, and complete your project on time and within budget.