About
The Dunham Group is a commercial real estate brokerage company located in Portland, Maine. For over 40 years, The Dunham Group has provided in-depth, commercial real estate knowledge, market specialization, and proven representation to our loyal client base. Unlike other commercial brokerage firms, The Dunham Group brokers focus on specific sectors; office, retail, industrial, multi-family, land, or investment, and become experts in their industries. Our team approach, along with our adherence to the highest ethical standards and our commitment to education and retention of the best personnel, allows us to develop trust and long-term relationships with our clients. While our record of success includes brokering many of Maine’s most recognizable commercial properties, we pride ourselves on the personal attention we give to each and every client. Whether you are an individual investor, a small business owner, or the CEO of a large corporation, The Dunham Group will help you attain your commercial real estate goals while treating you as a respected and valued client.
Top Deals
SOLD
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Maine | Industrial | PPSF: $19
11/09/2023
SOLD
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Maine | Industrial | PPSF: $48
10/03/2025
SOLD
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Maine | Office | PPSF: $100
02/07/2022
SOLD
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Maine | PPSF: $291
+ 1
05/06/2022
Focus
Industrial
Sale
Markets
Headquarters
10 Dana Street - Suite 400 Portland, Maine 04101
FAQs
The Dunham Group has closed 4 deals (4 sales).
The Dunham Group's most recent deal was on October 03, 2025.
The Dunham Group's largest deals include a sale of $14,550,000.00 for 392 Warren Avenue.
Member since: December 2022
Deals
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SOLD
Nrti Spiller Drive LLC Acquires Industrial Site From Spiller Drive LLC For $13 Million
$48/SF
22 Spiller Drive, Westbrook, ME
MECRE
Oct 3, 2025
SOLD
Capital Properties, LLC Acquires 151.5K SF Industrial Portfolio In Portland, Auburn & Bangor, ME For $14.55M
$19/SF
392 Warren Avenue, Portland, ME
MECRE
Nov 9, 2023
SOLD
Greater Portland Health Acquires Medical Office At 295 Park Ave In Portland, ME For $2.1M
$291/SF
295 Park Avenue, Portland, Maine 04102, United States, Portland, ME
MECRE
May 5, 2022
SOLD
MRM Bangor LLC Acquires Office Building In Bangor, ME For $4.05M
$100/SF
1 Cumberland Place, Bangor, Maine 04401, United States, Bangor, ME
MECRE
Feb 6, 2022