Attorneys Kathleen O’Neill Burgener

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of counsel | Boston, MA

Katie focuses on commercial real estate, advising clients on finance transactions, acquisitions and dispositions and leasing matters. She has extensive experience representing borrowers and lenders in acquisition, refinance, construction and mezzanine loans.

Key Cases

  • Represented nonprofits in connection with the acquisitions of real property and closings of construction loans in Massachusetts.
  • Represented CDFI lenders making secured and unsecured loans to charter schools and affordable housing developers in multiple markets.
  • Represented a life science company leasing approximately 52,000 square feet of office and lab space in Cambridge, MA.
  • Represented a lead lender in connection with a syndicated construction loan of $350,000,000 in Massachusetts.
  • Represented a private equity firm to coordinate and close the assumption of over 70 mortgage loans in connection with a multifamily portfolio acquisition.
  • Represented several CMBS lenders originating securitized debt across multiple asset classes (multi and single tenant office, retail, and hotel) and markets.
  • Represented a national real estate lender originating construction loans ranging from $50,000,000-$85,000,000 for multifamily developments.


  • Massachusetts

Civic Involvement

  • ProVisors (Boston 6), Member
  • CREW Boston, Member
  • Cradles to Crayons Family Advisory Council (Boston), Member


  • Best Lawyers in America®, Real Estate Law
  • G. Joseph Tauro Scholar, Boston University Law School