Recognized in Best Lawyers since 2023 
Katie O'Neill Burgener focuses her practice on Real Estate Law, representing clients in a wide range of commercial real estate matters in Boston, Massachusetts and throughout the region. As an attorney with Sheehan Phinney Bass & Green PA, she advises businesses, developers, lenders, and investors on complex real estate transactions and day‑to‑day property matters.
Her practice includes counseling clients on commercial real estate finance transactions, acquisitions, dispositions, and leasing arrangements. Katie regularly assists borrowers and lenders with acquisition financing, refinancing, construction loans, and mezzanine financing, guiding clients through the negotiation, documentation, and closing process.
Katie also works with clients on the structuring and execution of commercial real estate deals involving office, retail, and mixed‑use properties. She provides practical guidance throughout each stage of a transaction, helping clients address due diligence considerations, financing terms, and lease provisions while keeping their broader business goals in mind.
Through her Real Estate Law practice at Sheehan Phinney, Katie supports clients navigating the legal and transactional aspects of commercial real estate in Boston and across Massachusetts.
