Our Team

Matthew D. Killeen


Attorney Matthew Killeen founded Killeen Law Office in 2004 to assist clients with real estate conveyancing, estate planning, probate, trust and estates and business law.

Mr. Killeen represents individuals and business entities as well as local and national lenders. He handles all aspects of real estate conveyancing, including residential and commercial transactions. In addition to his real estate practice, a large portion of his practice is dedicated to the preparation of wills, various types of trusts, health care proxies, powers of attorney and more sophisticated documents where applicable.

Mr. Killeen has extensive experience and a dedicated practice in the areas of estate administration, fiduciary representation, conservatorships and guardianships and petitions to partition. He and his staff handle these matters in the Probate & Family Courts across the Commonwealth of Massachusetts.

In addition, Mr. Killeen provides counsel to individuals and businesses involved in various industries throughout our region. From advising the start-up business on the appropriate entity, to handling financing and real estate matters, to representation in merger, acquisitions, and sales of all types of businesses.

Mr. Killeen is a 1995 graduate of Northeastern University, Boston, MA (B.S., 1995) and received his law degree from Suffolk University Law School, Boston, MA (J.D. cum laude 1999). Prior to founding Killeen Law Office, LLC, he began his practice working in his hometown of Sherborn, Massachusetts. Mr. Killeen is licensed to practice law in Massachusetts and is an active member of the Real Estate Bar Association for Massachusetts. Mr. Killeen has been recognized in multiple issues of Boston Magazine designated in the Law & Politics Boston Magazine's listing of "Rising Stars" in field of Real Estate law and, in 2018, 2019, 2020 and 2021, the firm has been selected into the Best Lawyers in America. Mr. Killeen is frequently invited to lecture on topics ranging from the first time homebuying process to downsizing in the current economy.

  • 781-431-8776

Our Team