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Brianna McGrath


SunPower Solar Advisor

REthink39 Group | LAER Realty

Call/Text: 508-423-2967

Office: 603-685-4495

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Green Alliance Members Receive:

  • Sellers receive a free Pearl Certification with a signed listing agreement, if the home qualifies for Pearl.

  • Buyers receive $100 towards an energy efficiency upgrade of their choice, after purchase of a home.

Realtor Brianna McGrath believes that you deserve a healthy, high-performance home and a real estate agent who understands its value. After over 5 years of experience in the real estate industry, her passion for sustainability led her to the REthink39 Real Estate Group, a SunPower Authorized Dealer at LAER Realty.


As a REALTOR, Brianna helps clients with all of their residential real estate goals but specializes in the purchase or sale of high-performance homes. As a Solar Advisor with SunPower by REthink39 she helps clients determine their homes potential and save thousands by switching to solar.


Brianna holds a bachelor's degree in Marketing & Entrepreneurship from UMASS Lowell. She has completed specialized training through the National Association of REALTORS to become a certified Pricing Strategy Advisor (PSA) and a GREEN Designated agent – qualifying her to value and market the high performance features of a home.


As a member of the REthink39 Group, Brianna is backed by a team of experienced, like-minded professionals who are devoted to lowering the 39% of U.S. energy consumption attributed to the built environment. Rethink39 strives to empower every client to live their best life in a way that’s low impact on the environment. It's time to change what we expect from our homes. They are here to help you build a sustainable future.


Reach out to Brianna if you're interested in buying or selling a home, learning about how much you can save by switching to solar, or looking for recommendations to make your home and lifestyle healthier and more efficient. Her and her team serve MA & NH but she can connect you with GREEN Realtors and solar professionals all over the country.

More about Brianna and LAER:

  • In 2019 LAER Realty was one of the first real estate firms in the country to hire a Chief Sustainability Officer

  • Annual Sustainability Report highlighting efforts to contribute to a sustainable future, the rapidly expanding green home marketplace, and the need for agents that have been properly trained to market and value high-performance homes

  • LAER offices in National Grid territory are powered by solar energy via Sea Oak Capital

  • Use of Dotloop and other paperless transaction services

  • Partner with Pearl, a national third-party certification of high-performing homes driving demand for these improvements by capturing their value in resale and appraisal. When marketed correctly, Pearl Certified homes have shown to add 5% or more to a home’s sale price

  • Brianna is on the Sustainability Committee at LAER Realty, meetings held virtually

  • Virtual meetings when possible to prevent unnecessary gas emissions

  • Brianna is a Green Designated agent, qualified to value and market the high performance features of a home

  • She works with and recommends sustainable business partners as much as possible

  • She drives a fully electric vehicle

  • She empowers clients to a create healthier, more efficient homes and lifestyles

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