Maine’s Commercial Real Estate Specialists

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Put Our Collaborative Approach to Work For You

For over 45 years, The Dunham Group has provided in-depth market knowledge and trustworthy representation to our clients. Our objective is to help our clients realize their vision and this commitment has helped us build long-term, loyal partnerships. We like to get to know our clients the way we know Maine’s commercial market properties – which means we listen, we pay attention, and we do our research. With our insightful data analysis, local expertise, and collaborative approach we connect our clients with the right opportunities for their growth.

Watch: The Dunham Group | Maine Commercial Real Estate

On working with Justin: “Once we got there and saw the space, he had done his research. He had tons of data and facts. I was blown away. Immediately we could have a pretty informed decision that this was worth pursuing or not.”

— Tom Ruff, Orange Bike Brewing Company

Featured Commercial Properties

Our Team of Brokers

Our brokers work together as a team so our clients can benefit from their combined resources and knowledge. While we have a record of success that includes brokering many of Maine’s most recognizable commercial properties, what truly drives us is the relationships that we build with clients in the process.

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The Dunham Group commercial real estate brokers have proven industry expertise with a focus on:







Our brokers also specialize in:

  • Dental
  • Manufacturing
  • Medical
  • Mixed-Use
  • Multi-Units
  • Pad
  • Redevelopment
  • Restaurant
  • Special Purpose
  • Storage
Brokers: Bryan Plourde, Justin Lamontagne, and Sylas Hatch in discussion.

Expert Guidance From Market Specialists

Find your Maine commercial property.

Latest Company News

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  • Greater Portland Office Market Survey

    Our 2024 Greater Portland Office Market Survey is now available. The Greater Portland office market is still adjusting to the post-pandemic world. Although the major headlines from primary markets are…

  • Sam LeGeyt Joins Partnership

    The Dunham Group is pleased to announce that broker Sam LeGeyt has been elected Partner of the firm. “Sam’s promotion to Partner not only reflects his impressive brokerage achievements but…

Recent Transactions

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  • Two Lights Settlement Services


    Two Lights Settlement Services recently leased 3,600± SF of office space at 120 Center Street from 120 Center Street Plaza, LLC.  Tom Moulton, CCIM, SIOR and Katie Breggia from The…

  • AJC Remodeling & Construction, LLC

    Cape Elizabeth

    AJC Remodeling & Construction, LLC recently leased 1,150± SF of retail space at 327 Ocean House Road from Lathrop & Lathrop, Inc.  Tom Moulton, CCIM, SIOR and Katie Breggia from…