Maine Commercial Real Estate

NAI 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.

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

Annual Forecast Conference & 2018 Industrial Market Survey

Here is a summary of the talking points from MEREDA’s annual Forecast Conference yesterday; 900 people were in attendance! Justin Lamontagne delivered his annual Southern Maine Industrial Forecast and unveiled our 2018 Industrial Market Survey. Download your own copy here!

Recent Transactions

Westbrook: Audet Enterprises

Audet Enterprises leased 1,800 SF of office space from 24 Bridgton Road, LLC at 24 Bridgton Road. Chris Craig from NAI The Dunham Group and Willie Audet from Greater Portland Realty brokered the lease.


HREE, LLC purchased a 46,950 SF warehouse building on 4.6 acres from SLT, LLC at 84-86 Industrial Park Road. Justin Lamontagne, CCIM, SIOR and Greg Hastings, SIOR from NAI The Dunham Group brokered the sale.

Fill Out an Online Property Inquiry

One of our Market Specialists will contact you shortly

Get Started