Meet our highly qualified attorneys, financial and mental health professionals, judges and court personnel – all dedicated to families involved in Ohio divorces. These professionals can help you before, during and after your divorce is final. They can even help with issues like child support, spousal support or custody issues that arise after the divorce. From the FIND A PROFESSIONAL page, click on a photo to see more information about each. You can also click on the Select Category box to narrow your search for a specialty. Want to find someone close to you? Enter a zip code or city or even a phone area code in the Search box and then press the magnifying glass.

Photo of Greg Costabile

Greg Costabile

Buckley King LPA
Work 1400 Fifth Third Center 600 Superior Avenue East Cleveland OH 44114 Work Phone: 216-685-4741 Website: Buckley King LPA


Gregory S. Costabile is an attorney, litigator, and mediator, trained in collaborative and interdisciplinary collaborative law.  His office is conveniently located in Cleveland to meet the needs of his clients in Cuyahoga, Lake, Summit, Medina, Lorain, Geauga and adjacent counties.  Mr. Costabile has a diverse practice with an emphasis in family relations law that includes, but is not limited to, divorce, dissolution, child custody, visitation and support, prenuptial agreements, spousal support, real estate, business valuation, preservation of assets, complex financial accounts and the equitable allocation of assets and debts.  He also represents clients with issues in the Juvenile Court involving children born out of wedlock.

Mr. Costabile has extensive experience and success in litigating family law matters at trial as well as in the appellate courts.  He is an Ohio State Bar Association Certified Specialist in Family Relations Law.  There are only approximately 100 specialists in the entire State of Ohio and approximately 30 in Northeast Ohio.

Mr. Costabile is proud of the fact that the attorneys at Buckley King LPA, “pride ourselves on the art of active listening and creativity to achieve the best solutions for our clients.”

Mr. Costabile believes in the importance in giving back to one’s community and has previously served as a volunteer Juvenile Court Magistrate. In addition, he has served  as a Council Member, Council President, and Mayor/Safety Director for the City of Mayfield Heights.  He has also hosted a weekly radio program in Cleveland discussing family law issues and has served as a Political Analyst for WEWS Channel 5 News in Cleveland, Ohio.

Mr. Costabile graduated cum laude from Bowling Green State University with a Bachelor of  Science in Business Administration and received his Juris Doctorate degree from Cleveland Marshall College of Law.   He was named the Most Influential Person in Mayfield Heights by Sun Newspapers in 2006 and 2008, is a member of the Mayfield High School Hall of Fame, has been named an Ohio Super Lawyer by Law & Politics, has received the Cleveland Clinic Foundation Community Service Award, and is a graduate of the prestigious Leadership Cleveland.


These professionals can help you and your spouse choose a guided, proven and court-approved method for ending your marriage and settling parenting issues. Aside from lowering costs, a non-litigation approach is more likely to produce a more livable future for you and your separated family.