Walter Sullivan



Originally from Scituate, Massachusetts, he graduated from Hobart College in 1986 and St. Louis University School of Law in 1989. Upon graduation from law school, he began his practice as an associate at Healy & Healy, P.C. in Boston. Walter Sullivan first became a shareholder and director of Sullivan & Sullivan, P.C. in 1993.

Walter’s practice includes real estate litigation and transactions, state and local permitting, representation of schools and school administrators and he is an accomplished litigator. He represents insured defendants in errors and omission litigation and is on the panel of defense lawyers for several insurance companies that defend real estate professionals. In addition, he represents clients before municipal boards throughout Eastern Massachusetts.

Walter has tried many jury and bench trials throughout Massachusetts at all trial court levels. In addition, he has successfully argued at the appellate level on many matters.

In 2009, Walter was appointed by the Governor of Massachusetts to serve as a member of the Board of Registration for Home Inspectors. He also served as a hearing officer for the Massachusetts Board of Bar Overseers from 2014 to 2022. For many years, Walter volunteered as a conciliator for the Quincy District Court and the Southeastern Housing Court. Currently, he serves as a grant reviewer for the Massachusetts Bar Foundation.

Walter gives back to his community. He is a Trustee of the Edwin Phillips Foundation, which supports disabled children in Plymouth County. He previously served on the Board of Advisors for the Campus of Caring, Inc., which created an in-patient end of care hospice facility in his hometown. In addition, he is a former Trustee of the Montessori Community School in Scituate and former President of the Board of Trustees for Derby Academy in Hingham. He is also a former Trustee of The Company Theatre in Norwell and Kimball Union Academy in Meriden, New Hampshire. He was a Conservation Commissioner with the Town of Marshfield and Planning Board member for the Town of Hingham.

He enjoys Martindale-Hubbell’s highest attorney rating – AV.