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Peter P. Gelzinis


[email protected]



Peter provides advice and counsel to clients on a broad range of real estate transactions, including acquisitions, dispositions, financing and leasing. Prior to joining Mintz, Peter served as Law Clerk to the Honorable Keith C. Long of the Massachusetts Land Court where he gained experience with a variety of real estate, zoning, and land use matters. During law school, Peter was selected as a Rappaport Fellow in Law and Public Policy, which allowed him to work on real estate and transportation issues at the Massachusetts Port Authority (MassPort). Peter also served as the Lead Articles Editor of the Suffolk University Law Review.


  • Suffolk University Law School (JD, magna cum laude)
  • St. John's College (MA)
  • University of Virginia (BA, with Distinction, Phi Beta Kappa)


  • Represented a Massachusetts based private real estate fund in the leasing of office and industrial properties in Massachusetts, Pennsylvania, Texas and California.
  • Represented a multibillion-dollar real estate investment trust (REIT) in the disposition of a portfolio of 30 industrial properties in the greater Chicago area.
  • Represented a private equity affiliate in the negotiation of a ground lease extension for a major transportation center in Boston.
  • Represented a private real estate company in the leasing of office and retail space for a portfolio of properties in Palo Alto.
  • Represented an energy technology company in the negotiation of a lease for company headquarters in the greater Boston area.
  • Represented corporate clients in connection with real estate due diligence matters.
  • Represented pro bono clients in lease negotiations for retail space in various Boston neighborhoods.

Recognition & Awards

  • Included on the Massachusetts Super Lawyers Rising Star: Real Estate list (2018)


  • Member, Boston Bar Association
  • Member, Real Estate Bar Association
  • Board Member, Paraclete Center, South Boston
  • Commonwealth School Alumni Association


Viewpoint General
Previously on this blog, my colleagues posed the question to commercial landlords, “Do you know who’s working in your building?” In this post, I look at a different aspect of the sharing economy—residential short-term rentals (STRs, for short)—and ask, “Do you know who’s living in your apartment?”
Viewpoint General
As a follow up to my colleague Allan Caggiano’s post here on the new 2016 ALTA/NSPS Land Title Survey Standards, the Planning & Zoning Resource Company (PZR) has recently circulated an important advisory on the practical effects of the new survey standards and the interaction between the surveyor and the zoning report that is typically provided by a third party like PZR.

FIRPTA Tax Withholding Set to Increase Effective February 16, 2016

February 12, 2016 | Blog | By Peter Gelzinis

Beginning on February 16 of this year, the rate of tax withholding required by the Foreign Investment in Real Property Tax Act (FIRPTA) will increase from 10% to 15%.  FIRPTA imposes federal tax on the sale of an interest in real property located in the United States by a foreign seller.