About
William J. Hennessey Jr. is a Stamford, Connecticut, partner who advises clients on land use, zoning, real estate transactions, municipal law, tax appeals, and development matters. He works on planning, permitting, litigation, purchases, sales, leases, financing, and valuation issues. His practice supports developers, property owners, businesses, nonprofits, schools, and community organizations handling complex real estate and land use matters in Stamford, lower Fairfield County, and other Connecticut communities.
Hennessey earned a J.D. from Pace University School of Law in 1981. He received a B.A. from Fairfield University in 1977. His education supports a practice built on land use analysis, real estate documentation, municipal law, negotiation, and regulatory problem solving. That background helps him evaluate development approvals, zoning questions, financing issues, tax appeals, and property transactions with practical judgment and clear guidance for clients and public boards.
Hennessey has more than 40 years of experience in zoning, planning, land use, municipal law, and real estate transactions. His work has included major Stamford and lower Fairfield County development projects, including Harbor Point, the Sono Collection mall, Charter Communications’ headquarters, Stamford Hospital redevelopment, multifamily housing projects, and transit-oriented mixed-use development. He also previously served as Assistant Corporate Counsel for the City of Stamford and was a founding partner of a predecessor firm.
William J. Hennessey Jr. is recognized in Chambers USA for Connecticut zoning and land use law and has received honors from Best Lawyers, Super Lawyers, and Martindale-Hubbell. He serves as an adjunct professor of Land Use Law at the University of Connecticut School of Law. His professional and community affiliations reflect long involvement in real estate, development, planning, and civic service. Hennessey helps clients move complex projects forward with preparation and practical judgment.
Law Office Affiliations
- Partner, Carmody Torrance Sandak & Hennessey LLP
- Member, American Bar Association
- Member, Connecticut Bar Association
- Member, Fairfield County Bar Association
- Member, Real Estate Finance Association of Connecticut
- Member, International Association of Assessing Officers
- Member, Commercial Real Estate Development Association
Licensed State
- Connecticut
Education
- Pace University School of Law
Juris Doctor (JD) - Fairfield University
Bachelor of Arts (BA)
Awards & Badges





- Construction & Development
- Land Use & Zoning
- Appeals
- State, Local & Municipal




