Craig P. Treneff

Top rated Family Law attorney in Westerville, Ohio

Treneff Cozza Law, LLC
Craig P. Treneff
Treneff Cozza Law, LLC

Practice Areas: Family Law; view more

Licensed in Ohio since: 1981

Education: Capital University Law School

Selected to Super Lawyers: 2004 - 2025

Treneff Cozza Law, LLC

155 Commerce Park Drive
Suite 5
Westerville, OH 43082-8384 Visit website


For more than 25 years, attorney Craig P. Treneff has dedicated his legal career to meeting the family and divorce-related legal needs of clients in the Columbus area and surrounding portions of central Ohio. Mr. Treneff handles all types of family law concerns in his practice, including divorce, dissolution and complex property division; child custody, support and post-divorce modifications; paternity issues, prenuptial agreements and many other matters. In each case, his primary focus is on protecting and improving his clients' lives.

Craig P. Treneff is a graduate of the Ohio State University and Capital University Law School, where he was elected to Law Review. Prior to entering private practice in 1983, he was judicial law clerk to Justice William B. Brown of the Ohio Supreme Court and served as chief legislative assistant to the Chairman of the Finance-Appropriations Committee of the Ohio House of Representatives.

He was one of the first 50 lawyers in Ohio to be certified by the Ohio State Bar Association as a family relations specialist. In addition, he is a Fellow of the American Academy of Matrimonial Lawyers, past President of the AAML Ohio Chapter, and a member of the family law committees of the Columbus, Delaware County, Ohio State and American Bar Associations. Mr. Treneff has been a regular contributor to and Editorial Board member of the Domestic Relations Journal of Ohio and contributor to the Baldwin's Ohio Domestic Relations Law treatise ("Marital and Separate Property"). He was selected as an Ohio Super Lawyer 2004-2021 and was included in The Best Lawyers in America 2014-2022. He was also selected as the Lawyer of the Year for 2019 by Best Lawyers in America for Family Law for Columbus, Ohio. 

He was selected as one of the top 50 Columbus lawyers for 2010-2021 and as one of the top 5 Columbus lawyers for 2014- 2021 by Ohio Super Lawyers. He was also peer rated by Ohio Super Lawyers as one of the top 100 lawyers in Ohio for 2011-2021 has been selected as one of the Top 10 lawyers in Ohio for 2016-2021. Mr. Treneff is certified as an Arbitrator by the American Academy of Matrimonial Lawyers and has completed basic mediation training (16 hours), domestic relations mediation training (40 hours), and domestic abuse issues training (14 hours).

Mr. Treneff is actively involved in the community and has been a member of the Westerville, Ohio, City Council since 2004 and  has served as Chairman of Council & Mayor.  He is Chairman of the Board of Trustees of the Central Ohio Transit Authority (COTA). He has previously served as President of the Board of Trustees of Directions for Youth and Families, Chairman of the Capital Campaign Planning Committee of Directions for Youth and Families, Member and Chairman of the Westerville Planning Commission, and Member of the Westerville Board of Zoning Appeals. He also has been a member of the Mid-Ohio Regional Planning Commission and President of the Central Ohio Municipal Alliance.

Mr. Treneff is a recipient of Martindale-Hubbell's highest rating, AV* for outstanding legal ability and ethical standards. He also has a 10.0 "Superb" rating on AVVO.

*CV, BV and AV are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies. Martindale-Hubbell is the facilitator of a peer review rating process. Ratings reflect the confidential opinions of members of the Bar and the Judiciary. Martindale-Hubbell Ratings fall into two categories - legal ability and general ethical standards.


Practice areas

Family Law

Focus areas

Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Domestic Violence, Marital Property, Mediation & Collaborative Law, Paternity, Prenuptial Agreements, Same Sex Family Law

  • 100% Family Law

First Admitted: 1981, Ohio

Professional Webpage:

Pro bono/Community Service:
  • Member, Board of Trustees, Central Ohio Transit Authority 2013--present. Currently serving as Vice Chair.
  • Member, Westerville, Ohio, City Council 2004--present. Current serving as Mayor of Westerville.
Bar/Professional Activity:
  • Member, Family Law Section, American Bar Association
  • Member, Ohio Supreme Court Advisory Committee on Children and Families., 2019
  • Fellow, American Bar Association Bar Foundation
  • U.S. District Court Southern District of Ohio, 1982
  • Member, Family Law Committee, Ohio State Bar Association
  • Ohio, 1981
  • Member, Family Law Committee, Columbus Bar Association
  • President, American Academy of Matrimonial Lawyers, Ohio Chapter, 2008-2009
  • Fellow, American Academy of Matrimonial Lawyers
Scholarly Lectures/Writings:
  • Lecturer, Family Relations Law, Continuing Legal Education Seminars for Lawyers
  • Program Chair, American Academy of Matrimonial Lawyers Annual Symposium on Family Law, 2007 - 2008
  • Moderator, Family Law and Social Security, American Bar Association Family Law Section, 2012
  • Moderator, Psychological Issues in Custody, American Bar Association Family Law Section, 2013
  • Lecturer, High conflict custody cases, ABA, 2014
Educational Background:
  • Ohio State University, Columbus, Ohio, B.A. in English, 1974
  • Capital Law Review, Capital University Law School
Representative Clients:
  • Bd. of Edu. of Worthington S. D. v. Bd. of Revision of Franklin, 85 Ohio St.3d 156 (Ohio), 1999
  • Heritage Hills, Ltd., v. Deacon, 49 Ohio St.3d 80 (Ohio), 1990
Special Licenses/Certifications:
  • Certification as Mediator (Basic, Advanced, & Domestic Violence Training)., 2015
  • Certified Arbitrator, American Academy of Matrimonial Lawyers., 2015
  • Family Relations Specialist, Ohio State Bar Association
  • Domestic Relations Lawyer of the Year (Columbus, Ohio) 2019., Best Lawyers in America, 2019
  • Fellow, American Academy of Matrimonial Lawyers - Former President Ohio Chapter., American Academy of Matrimonial Lawyers, 2019
  • Listed in Who's Who in America., Marquis Who's Who, 2019
  • Listed in Who's Who in the World., Marquis Who's Who, 2019
  • Listed in Who's Who in American Law., marquis Who's Who, 2019
Industry Groups:
  • American Academy Of Matrimonial Lawyers
  • Fellow

Office location for Craig P. Treneff

155 Commerce Park Drive
Suite 5
Westerville, OH 43082-8384

Phone: 614-891-4230


22 Years Super Lawyers
  • Super Lawyers: 2004 - 2025

Top Lists

Top 50: Columbus Super Lawyers: 2010 - 2025 Top 10: Ohio Super Lawyers: 2016 - 2025 Top 100: Ohio Super Lawyers: 2011 - 2025 Top 5: Columbus Super Lawyers: 2014 - 2024

Certificates and credentials

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