Professionals Directory

Find professionals to join your project team

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Disclaimer: The professionals and service providers listed in this directory are shared for informational purposes only. The Greater Portland Council of Governments (GPCOG) does not endorse, recommend, or assume responsibility for the quality, accuracy, or reliability of the services provided by any individual or organization included. Users are encouraged to conduct their own due diligence when selecting a professional.

Are you an ADU professional interested in being on this page? Contact Tom Bell at tbell@gpcog.org with your information. 

Financial Professionals

Make sure to read our Budgeting page for more information on paying for an ADU.

Construction loans for ADUs from Kennebunk Savings Bank

Kennebunk Savings Bank

Kennebunk Savings Bank offers loans for ADUs. The maximum loan is $250,000 with a term length of 10 to 30 years. Maximum loan to the value of the principal and home value is 89.90%. It allows 75%  of ADU income. Closing fee is $1,500.  Serving York & Cumberland counties in Maine, Rockingham and Strafford counties in New Hampshire. Original property can be a primary residence, second home, or  2-3 family primary residences.

Loan officer, Bangor Savings Bank

Construction loans for ADUs from Bangor Savings Bank

Bangor Savings Bank offers construction loans for ADUS in all of Maine, New Hampshire, & Massachusetts.  The loan maximum is $500,000. Term length 10 to 30 years. Maximum loan to the value of the principal and home value is 85%  Allows 75%  of ADU income.  Closing fee $2,750 to $3,750. Homeowner can pay off existing equity line, can build an ADU on 1-3 unit primary residence, detached condos if allowed by HOA

Prefab Companies

Make sure to read our Design and Construction pages for more information on designing/choosing a prefabricated ADU.

Zero Energy Homes

Stand alone cottages that generate as much energy as they use

Crafted Living ADU Solutions (American Building Group)

Tiny Homes of Maine

Canbury Homes

Croft

Standalone cottages

Backyard ADUs

Standalone cottages

Knickerbocker Group

Standalone Cottages

General Contractors & Builders

Make sure to read our Construction page for more information on building an ADU.

Landform Design + Build

Landform Design & Build is a full-service design/build firm specializing in high-performance infill projects in the Portland area, including ADUs, new homes, and duplexes. We are a one-stop shop and handle everything from feasibility, design, permitting, and construction.

Pinewood Concepts

Custom home builder and remodeler in Portland with an expertise in high performance building and deep energy retrofits.

Crafted Living ADU Solutions (American Building Group)

BrightBuiltHome

Homebuilder

Harriman Construction

Homebuilder

Nyuar Construction

Full-service construction company

Permiting & Site Design Managers

Acorn Engineering, Inc.

Civil/site planning, permitting, stormwater design, landscape design and land surveying services