Burlington 802.864.0217       Middlebury 802.388.6356 Payments

Mark L. Sperry


Mark handles a broad variety of real estate, commercial, municipal, environmental, land use, and estate planning matters, involving both transactions and litigation. He represents both individual and business clients in transactions ranging from residential real estate sales to complicated commercial acquisitions and leases. His litigation practice ranges from complex permit proceedings for developers to appeals before the Vermont Supreme Court. He is also counsel to numerous Vermont municipalities, providing advice on zoning, planning, taxation, labor relations, and other issues. He prepares sophisticated estate plans for individuals, together with succession plans for family businesses.

Before joining Peter Langrock in 1966 to found the firm then known as Langrock & Sperry, Mark clerked for the Hon. Ernest W. Gibson, U.S. District Court, District of Vermont. Mark is a past member of the Vermont Professional Conduct Board. He served as Chair of Hearing Panel No. 5 of the Vermont Professional Responsibility Program from 2000-2006, and continues to serve the Program as conflict counsel.

Mark and his wife live in South Burlington.  They have four adult children.


Yale University School of Law (J.D. 1964); Yale University (B.A. 1961)

Bar Admissions

Admitted to state and federal courts in Vermont; U.S. Court of Appeals, Second Circuit


Vermont Bar Association


Mark has been annually recognized by The Best Lawyers in America®— the oldest and most respected peer-review publication in the legal profession — as a leading attorney in Real Estate Law since 1989, as well as being recognized since 2011 for his work in Real Estate Litigation. Mark was named by Best Lawyers as Vermont’s “Lawyer of the Year” for Real Estate Litigation in 2012. Mark’s numerable recognitions also include Vermont’s only state-wide business publication, Vermont Biz, which has repeatedly featured him in its yearly list of “Top Business Lawyers”.