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Mr. O'Neill was born in Holyoke, Massachusetts and joined Gould Cooksey Fennell in 1977, becoming a partner in 1980.  He chairs the firm's Commercial Litigation and Construction Disputes Practice Group.  Mr. O'Neill now holds the rare distinction of being triple board-certified in areas of specialty by the Florida Bar. In 1983, he became a member of the first group of Florida attorneys ever board-certified as a Civil Trial Lawyer.  In 1996, Mr. O'Neill became a member of the first group of board-certified Business Litigation Law attorneys in Florida. In 2005, Mr. O'Neill obtained a third certification in Construction Law, being in the first group so certified.  Mr. O'Neill has enjoyed a wide ranging professional background with his practice areas spanning all three sections within Gould Cooksey Fennell, with an emphasis on construction law, business, real estate and probate litigation.  He is also listed among Florida's "Super Lawyers", a service which identifies the top 5% of attorneys in the state, as chosen by their peers and through the independent research of Law & Politics Magazine.


After receiving his Civil Engineering Degree from Merrimack College in Massachusetts, Eugene J. O'Neill attended evening law school at Western New England College School of Law. During law school, Mr. O'Neill worked as an Engineer/Superintendent for E.T. O'Neill & Son Construction Corporation and subsequently was an Assistant Clerk of Court for the District Court of Holyoke, MA.

Mr. O'Neill is a member of the Florida Bar, the Massachusetts Bar, District of Columbia Bar, the American Bar Association, and the Association of Trial Lawyers of America. Aside from his bar involvement, he is an Associate Member of the National Association of Home Builders, the American Society of Civil Engineers, a panel arbitrator of the American Arbitration Association and a former adjunct professor of Business Law at Florida Tech Graduate School and Warner Southern College. In 2003, he was certified by the Supreme Court of Florida as a Circuit Court Civil Mediator.


Mr. O'Neill is authorized to practice in the Commonwealth of Massachusetts, the District of Columbia and the State of Florida as well as several Federal Districts Courts, the 5th and 11th Circuit United States Court of Appeals and the Supreme Court of the United States.


Mr. O'Neill is past President and Director of both the Indian River County Bar Association and the Exchange Club of Indian River. He is also a Third Degree Member of Counsel No. 5629 of the Knights of Columbus.


Practice areas


  1. Litigation: 35%
    40 years
  2. Land Use & Zoning: 25%
    40 years
  3. Construction: 15%
    40 years
  4. Commercial Real Estate: 15%
    40 years
  5. Mediation: 10%

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Contact info

Gould Cooksey Fennell, P.A.

979 Beachland Blvd.
Vero Beach, FL, 32963-1688

979 Beachland Blvd.
Vero Beach, FL, 32963-1688

979 Beachland Blvd.
Vero Beach, FL, 32963



FLMember in Good Standing197706/20/2016
DCInactive 198507/06/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Super LawyerLaw & Politics Magazine2010
Super LawyerLaw & Politics Magazine2009
Super LawyerLaw & Politics Magazine2008
Super LawyerLaw & Politics Magazine2007
Super LawyersLaw & Politics Magazine2006
BV RatingMartindale-HubbellN/A
Board Certification - Civil TrialFlorida BarN/A
Board Certification - Business LitigationFlorida BarN/A
Board Certification - Construction LawFlorida BarN/A
Work experience
TitleCompany nameDuration
PartnerGould Cooksey Fennell, P.A.1977 - Present
Adjunct ProfessorFlorida Institute of Technology1978 - 1992
Association namePosition nameDuration
Florida Bar AssociationMemberN/A
Massachusetts Bar AssociationMemberN/A
District of Columbia Bar AssociationMemberN/A
American Bar AssociationMemberN/A
Association of Trial Lawyers of AmericaMemberN/A
Indian River County Bar AssociationPast PresidentN/A
Indian River County Bar AssociationMemberN/A
School nameMajorDegreeGraduated
Western New England College School of LawN/AJD - Juris Doctor1976
Merrimack CollegeCivil EngineeringN/AN/A
Speaking engagements
Conference nameTitleDate
Paralegal Association of Florida, Inc.Post Hurrican Construction Issues2007
Paralegal Association of Florida, Inc.Construction Lien Law Seminar2005
Lien Law SeminarLien Law2004