Maine Commercial Real Estate

The Dunham Group is a commercial real estate brokerage company located in Portland, Maine. For over 45 years, The Dunham Group has provided in-depth, commercial real estate knowledge, market specialization, and proven representation to our loyal client base.

The Dunham Group brokers focus on specific sectors; office, retail, industrial, multi-family, land, or investment, and become experts in their industries. 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.

» Learn More

Latest News

Real Estate Highlights from MEREDA Conference 2022

See the Mainebiz real estate highlights from yesterday’s MEREDA Conference here. Our brokers Justin Lamontagne, CCIM, SIOR and Samuel LeGeyt presented the Industrial Market Review and Forecast….“We are mired in a supply and demand imbalance. Landlords have all the leverage and can be selective,” says Lamontagne. The vacancy rate in the industrial sector is a stifling 1.69%… » Read more

Industrial & Office Mid-Year Review

The Greater Portland overall industrial vacancy rate dropped below 2% for only the 2nd time ever, continuing a decade-long bull run in the industrial market. The statistics as of July 1, 2021, are astounding and confirm our anecdotal and transactional workload. Today the vacancy rate for over 20,000,000 SF of industrial space is a paltry… » Read more

» Download PDF

Recent Transactions

Portland: Stars & Stripes Brewing LLC

Stars & Stripes Brewing LLC leased 2,554 SF of retail space from 12 West Commons Associates LLC at 3 Spring Street. Justin Lamontagne, CCIM, SIOR from The Dunham Group and Mike Anderson and John Doyon brokered the lease.

Westbrook: Abbott Diagnostics Scarborough

Abbott Diagnostics Scarborough renewed their lease of 7,285 SF of industrial space from 35 Bradley Drive, LLC at 35 Bradley Drive. Greg Hastings, SIOR from The Dunham Group and Samantha Marinko from The Boulos Company brokered the lease.

Fill Out an Online Property Inquiry

One of our Market Specialists will contact you shortly

Get Started