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

Justin Lamontagne Earns Prestigious SIOR Designation

We are pleased to announce that Justin Lamontagne has earned the prestigious Society of Industrial & Office Realtor’s (SIOR) designation. SIOR is the leading global professional office and industrial real estate association. Justin now becomes only the 5th broker in the state of Maine to carry both CCIM (Certified Commercial Investment Member) & SIOR honors.

Recent Transations

: Point Promotional Group

Point Promotional Group leased 800 SF of office space from Baxter Place LLC at 305 Commercial Street. Katie Millett from NAI The Dunham Group and Matthew Barney from Malone Commercial Brokers brokered the lease.

Portland: Landroad Energy Management, LLC

Landroad Energy Management, LLC leased 2,750 SF of office space from J.B. Brown & Sons at 30 Danforth Street. Katie Millett from NAI The Dunham Group brokered the lease.

Fill Out an Online Property Inquiry

One of our Market Specialists will contact you shortly

Get Started