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Madison O’Brien

Madison represents area companies in the leasing and disposition of office, medical, retail, manufacturing and distribution/warehouse space. She previously served as a realtor at Keller Williams Realty Boston Metro in the Back Bay where she provided real estate services and representation for buyers, sellers, investors, landlords, tenants and developers. Prior to joining Keller Williams, Madison worked at Galaxy Development, LLC in Auburn as an intern in a variety of administrative and marketing capacities.


International Council of Shopping Centers (Member)

Bachelor’s degree in Business Management from Rogers Williams University in Bristol, Rhode Island

In The News

Sustainable Comfort Increases Worcester Holding With $1M Acquisition

Worcester Business Journal
Sustainable Comfort, a Worcester-based real estate and development firm, purchased a seven-unit multifamily building at 3 Irving St. in Worcester for $1,060,000. The seller was Vista Estates, LLC of Worcester and represented by Kelleher & Sadowski broker Madison O’Brien and principal Will Kelleher.