Michael O'Brien
ERA Key Realty Services
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617-286-2768
Michael "Mike" O'Brien – Greater Boston & MetroWest Real Estate Advisor
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Michael "Mike" O'Brien is a Massachusetts Realtor® who helps buyers, sellers, and real estate investors navigate the housing markets throughout Greater Boston and MetroWest Massachusetts, serving communities across Middlesex, Essex, Norfolk, and Suffolk counties.
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With more than $30 million in career sales volume, Michael has built a reputation for delivering thoughtful strategy, strong advocacy, and a highly personalized real estate experience. In 2025, he ranked #1 in total sales volume at ERA Key Realty Services' Framingham office and finished #8 overall within the brokerage, reflecting the trust his clients place in him and the results he consistently delivers.
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Michael works with clients at many stages of life. He regularly helps first-time homebuyers entering the Greater Boston housing market, homeowners preparing to sell, downsizers transitioning into 55+ communities, and real estate investors seeking opportunities across the Boston suburbs.
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He holds several nationally recognized real estate designations that reflect his commitment to professional excellence and specialized expertise:
Accredited Buyer's Representative (ABR®)
Pricing Strategy Advisor (PSA)
Seniors Real Estate Specialist (SRES®)
Distinctive Properties Specialist® (DPS®)
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These credentials allow Michael to provide expert guidance in areas such as buyer representation, strategic home pricing, downsizing transitions, and the marketing and sale of distinctive residential properties.
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Before entering real estate, Michael worked in broadcasting - an experience that shaped his approach to communication and client service. He believes that clear, honest communication and strong advocacy are essential when clients are making major financial decisions.
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Michael also creates educational videos about living in Boston, navigating the Greater Boston housing market, and understanding local neighborhoods through his YouTube channel, where he shares insights designed to help buyers and sellers better understand the local real estate landscape.
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Today, Michael is known for providing thoughtful strategy, consistent communication, and skilled negotiation throughout every stage of a real estate transaction.
Michael proudly serves buyers and sellers across Greater Boston, MetroWest, and the surrounding suburbs throughout Middlesex, Essex, Norfolk, and Suffolk counties.
