About

Mark G. Ouellette is a Connecticut attorney with more than thirty-five years of legal experience representing individuals and businesses. His practice includes real estate transactions, estate planning, probate administration, civil litigation, and criminal defense. He is known for practical advice, careful preparation, and steady courtroom advocacy. Mark works closely with clients to understand their objectives and develop strategies that protect their legal and financial interests while resolving matters efficiently and effectively.

Mark Ouellette earned his Juris Doctor from Vermont Law School in 1987. After graduation, he practiced at Shea & Hanahan, Attorneys at Law, where he developed experience in property transactions, probate matters, and civil litigation. In 1988, he established his own law office, continuing his focus on real estate, estate planning, and dispute resolution matters throughout Connecticut. His early training provided a strong foundation in both transactional work and courtroom representation.

Over the course of his career, Mark has handled residential and commercial real estate closings, drafted wills and trusts, and guided families through complex probate proceedings. He has represented clients in contract disputes, property conflicts, and other civil matters, as well as in criminal defense cases. His broad background enables him to approach legal challenges with balanced judgment and strategic insight.

Mark Ouellette has remained active in professional organizations, including the Waterbury Bar Association and the Connecticut Criminal Law Committee. In 2025, he joined Thibodeau & Beadnell Law Group, contributing decades of experience to the firm. Through disciplined preparation, ethical advocacy, and consistent communication, he works to deliver reliable results and personalized legal service to clients across Connecticut.

Law Office Affiliations

  • Partner, Thibodeau & Beadnell Law Group
  • Founder, Law Office of Mark G. Ouellette (1988–2025)
  • Attorney, Shea & Hanahan, Attorneys at Law (1987–1988)
  • Member, Connecticut Bar Association
  • Member, Waterbury Bar Association

Licensed State

  • Connecticut

Education

  • Vermont Law School
    Juris Doctor (J.D.)

Awards & Badges


Connecticut Bar AssociationWaterbury Bar Association
  • Commercial Real Estate
  • Land Use And Zoning
  • Landlord Or Tenant
  • Property Disputes
  • Residential Real Estate
  • DUI & DWI

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