The law firm of Bloom & Witkin focuses its practice on the market valuation of real estate and personal property for purposes of municipal taxation throughout the Commonwealth of Massachusetts and Connecticut.

For over sixty years, Bloom & Watkin has been achieving significant tax savings for its clients on a diverse variety of commercial and residential properties, including: nursing homes and assisted living facilities; manufacturing plants and industrial complexes; warehouses and distribution centers; office buildings; apartment complexes; retail space and malls; hotels; restaurants; marinas; and theaters.  The firm's efforts on behalf of commercial property owners have led to court decisions that changed the law relating to the tax assessment of special use property.

In addition to litigating tax assessment appeals before the Massachusetts Appellate Tax Board and the Connecticut Superior Court, Bloom & Witkin offers a broad spectrum of legal services pertaining to property taxation, including: the negotiation of property assessments directly with municipal assessing authorities and valuation companies; the negotiation of municipal tax incentives for real estate development; and the negotiation of payments in lieu of taxes for nonprofit entities.  The firm counsels its clients on a wide variety of municipal taxation issues, ranging from nonprofit and tax exemption status, to compliance with formal requests for business information and document disclosure. 

In the heart of Boston's historic Seaport District, Bloom & Witkin's offices are easily accessible by car and public transportation, and conveniently located near the offices of the Massachusetts Appellate Tax Board and Government Center.

Attorney Bios

Mark Witkin

Mark Witkin


Mark Witkin is a graduate of Cornell University and the University of Chicago Law School. He was admitted to the Bar of the Commonwealth of Massachusetts in 1964. He is a member of the American and Massachusetts Bar Associations.

As a young lawyer, Attorney Witkin served with the Massachusetts Defenders Committee - the Public Defender - where he achieved considerable trial experience in the District and Superior Courts of the Commonwealth of Massachusetts. During his tenure with that office,

Attorney Witkin participated in a special program with the office of the Massachusetts Attorney General to provide hearings for inmates who were illegally incarcerated in the Bridgewater State Hospital, an institution which became the subject of the television documentary, Titicut Follies.

In his current practice area, Attorney Witkin has represented owners and operators of almost every type of commercial and residential real estate, and has participated in cases that have established precedent in the laws of the Commonwealth of Massachusetts relating to the taxation of real property, including special purpose properties such as nursing homes and hotels. Attorney Witkin was a former Guest Lecturer at the Boston University Law School Graduate Tax Program in the field of State and Local Taxation. His clients include public companies and private investors.

As a founding partner of the Boston law firm of Bloom & Witkin, Attorney Witkin has a wide range of business and legal experience.

Mark lives with his wife in Brookline, Massachusetts.


Paul J Dorsi

Paul J. Dorsi

Of Counsel
Admitted in Massachusetts and Connecticut

Paul Dorsi graduated from Boston College, and Suffolk University Law School.  He is licensed to practice in the Commonwealth of Massachusetts and the State of Connecticut, and is admitted to the Federal Bar in the District of Connecticut, and before the Second Circuit Court of Appeals.

Admitted first to the Connecticut Bar in 1991, Attorney Dorsi has litigated a wide variety of civil and administrative matters for individual, corporate and municipal clients.  He has tried numerous cases before the court and jury, and has briefed and argued appeals to the Secord Circuit Court of Appeals, the Connecticut Supreme Court, and the Connecticut Appellate Court. From 1996 through 2006, Attorney Dorsi was a municipal lawyer for the City of West Haven Connecticut,

and represented the City in matters involving property valuation and tax assessment.  After his tenure with the City, Attorney Dorsi has focused his private practice of law almost exclusively on the representation of commercial property owners and tenants in matters of valuation and municipal taxation.

Before joining Bloom & Witkin in January 2015, Attorney Dorsi was a partner in the law firm of Donahue, Votto & DeGenarro, P.C.   Attorney Dorsi brings to Bloom & Witkin his years of litigation and municipal taxation experience, and offers its clients the benefit of the firm's legal services in the State of Connecticut.

Attorney Dorsi resides in Cambridge, Massachusetts.

Get in touch

Let's Connect

For more information about the legal services offered by Bloom & Witkin, please feel free to contact our offices by phone or email.

470 Atlantic Ave

View on map