Timothy F. Hegarty



80 Bloomfield Avenue, Caldwell, New Jersey 07006
801 Second Avenue, New York, NY 10017

Practice Areas

  • Construction Law
  • Commercial Litigation
  • Contracts
  • Insurance
  • Corporate Law


  • Rutgers School of Law, Newark, J.D.
  • Rutgers College of Engineering, B.S.C.E.

Bar Admissions

  • New Jersey
  • New York
  • Pennsylvania

Court Admissions

  • U.S. District Court, District of New Jersey
  • U.S. District Court, Eastern District of New York
  • U.S. District Court, Southern District of New York

Faculty Memberships

  • Columbia University, Adjunct Professor

Industry Recognition



80 Bloomfield Avenue, Caldwell, New Jersey 07006
801 Second Avenue, New York, NY 10017


Timothy F. Hegarty, a Partner at Zetlin & De Chiara, is well known for his successful litigation and transactional practice in the area of construction law with an emphasis on construction contracts, claims, arbitration, mediation, and surety law. Mr. Hegarty counsels owners, developers, institutional clients, lenders, private equity firms, owner’s representatives, architects, engineers, construction managers, general contractors, and various trade contractors. He has drafted and negotiated complex design and construction contracts collectively worth in excess of a billion dollars involving traditional delivery methods as well as construction management, design-build, integrated project delivery and public private partnerships. Mr. Hegarty helps clients negotiate contracts and prevent and resolve large construction claims for projects located across the United States and internationally. Mr. Hegarty also has litigated construction cases in Federal and State Courts. Mr. Hegarty assists clients with their design and construction related legal issues from concept design through post-project completion by anticipating and addressing issues, outcomes and consequences that could impact their project.

Mr. Hegarty teaches "Legal Issues in Building Construction" in his role as an adjunct professor at Columbia University and advises on issues relating to the design and construction of major projects including redevelopment, adjacent property issues such as license agreements and disputes concerning change orders, additional services, liquidated damages, delays, payment and performance bond issues, mechanic’s liens, cumulative impact claims, lost productivity, acceleration and inefficiency claims for projects of all types including large office and mixed-use commercial developments, residential communities, universities, healthcare, pharmaceutical, casinos and public projects, among others.

Prior to attending law school, Mr. Hegarty worked as a civil engineer on complex construction projects and developed a keen ability to read and understand plans and specifications - a highly specialized skill that provides him with a distinct advantage perspective when evaluating claims and preventing and resolving disputes.

In addition, Mr. Hegarty is General Counsel to the American Council of Engineering Companies of New Jersey. He also serves as a member of the Glen Ridge Planning Board where he has also served as the Acting Chairman of the Board.

Mr. Hegarty is a frequent speaker before professional audiences including the ASCE, ACEC, AIA, PANYNJ and The New York City Bar Association. He has also written numerous articles for various publications including the New Jersey Law Journal. Mr. Hegarty has also served as a visiting lecturer at Columbia University, Manhattan College, Pratt Institute, Brooklyn Polytech University and New York Institute of Technology.

Honors & Awards


  • American Council of Engineering Companies, New Jersey - General Counsel
  •  American Institute of Architects, Richmond County - former General Counsel
  • New York Building Congress - Member, Healthcare Committee
  • New Jersey Alliance for Action
  • Glen Ridge Zoning Board of Adjustment
  • New Jersey Bar Association

Speaking Engagements

  • Zetlin & De Chiara Partner Timothy Hegarty Presents at AIA Contracts Seminar
  • Speaker, Architectural Law: Architects Fast Track Leadership, AIA New York State Convention, September 2013
  • Public-Private Partnerships (P3's) in Higher Education, New Jersey Alliance for Action "Building Our Future" Conference, June 2013
  • "Construction Law and Expert Witness Issues for Forensic Engineers," Manhattan College, November 2012
  • "Integrated Project Delivery, A Case Study," Global Design Alliance, October 2012
  • "Engineers: Doing the Right Thing," ACEC Tri-State Convention, September 2012
  • "Ethics for Engineers," ACEC TriState Convention, September 2012
  •  "Sustainable Practice Workshop," DPC Associates, June 2012
  • "The Art of Pursuing International Work," Society of Marketing Professionals (NY), May 2012
  • "Ethics for Engineers and Architects," Port Authority New York/New Jersey, February 2012
  • "Ownership Transition: Legal Issues," SMPS Philadelphia, November 2011
  • "Engineer's Construction Phase Services: Pitfalls to Avoid," ACEC New Jersey Fall Business Conference, October 2011
  • "Construction Law and Expert Witness Issues for Forensic Engineers," Manhattan College, September 2011
  • "Contract Documents and Practice - Contemporary Issues & Concerns," Sustainable Practice Workshop, DPC Associates, August 2011
  • "The Citicorp Center Project: LeMessurier Stands Tall," 50th Annual Meeting of Invited Attorneys, May 2011
  • "BIM, the IPD Revolution and the Legal Issues You Need to Know," ACEC Fall Convention,    October 2010
  • "Ownership Transition: Legal Issues," SMPS National Convention, July 2010
  • "Construction Phase Services, Engineering Pitfalls to Avoid," American Society of Civil Engineers, June 2010
  • "Construction Contracts: The Basics," Columbia University Mentorship Program, April 2010
  • "Design/Build, Construction Management, Contract and Specification Issues," NJ Construction Specification Institute and American Institute of Architects, January 2010
  • "The New AIA Construction Contracts," Lorman Continuing Legal Education Program,September 2009
  • Managing the Engineering and Construction Process, Visiting University Lecturer, Columbia University Fall, 2006
  • "Construction Disputes: Their Prevention and Resolution," Visiting University Lecturer, Columbia University Fall, 2003-2006
  • "Managing Construction Projects in New York," Lorman Education Services, May 2005
  • "Construction Litigation in New York," Lorman Education Services, May 2004
  • "Construction Litigation in New York," Lorman Education Services, 2003
  • "Contracts and Insurance Requirements in New York State," AIA New York State's Spring Symposium Program, April 2003
  • "Drafting/Negotiating Owner-Architect Agreements," AIA Richmond County, 2002
  • "Construction and the Law," Adjunct Faculty, Brooklyn Polytech University, 2002
  • "Architecture and the Law," Visiting University Lecturer, New York Institute of Technology, 2002


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