Sean A. Costis
About Sean A. Costis
Sean A. Costis is a lawyer based in St. Petersburg, FL and has been recognized in The Best Lawyers in America® since 2025. Sean A. Costis is recognized in the following practice area:
- St. Petersburg, Florida
- Family Law
Current Firm: Sean A. Costis PA
Education: Stetson University, J.D., graduated 2000
Location: St. Petersburg, FL
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Mike Magidson is Board Certified in Health Law by The Florida Bar. Board certification is the highest evaluation of an attorney’s competence and experience comprising only 5% of Florida’s lawyers. Fewer than 130 lawyers in Florida are Board Certified in Health Law. Mike is a transactional lawyer specializing in the representation of health care providers and health care companies in their regulatory, compliance and health care business matters. He also provides counsel to business...
Bob served as a Law Clerk to Honorable William Terrell Hodges, United States District Judge, U.S. District Court, Middle District of Florida from 1982 – 1984. From 1988 to 1998 he handled catastrophic child and infant injury cases throughout the United States and Canada. While clerking he learned of Johnson Pope’s well-known reputation for quality legal work and ended up joining the firm in April 1999. He is the author of “The Primary Carrier Caught in the Middle with Bad Fa...
Ryan is a partner in the firm’s St. Petersburg office. He is a state and federal trial lawyer as well as a certified civil court mediator. His litigation practice includes complex business disputes; construction law; corporate/partnership disputes; employment related litigation; hospitality law; probate litigation; appellate practice; and real estate law. His real estate matters encompass contract disputes, ad valorem tax challenges, commercial landlord/tenant matters and land use/zonin...
Caitlein Jammo is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Trusts and Estates. Caitlein, who practices law in Clearwater, Florida, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Caitlein is held by other top lawyers in the same geographic and legal practice area.
Michael G. Little is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Michael G., who practices law in Clearwater, Florida, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael G. is held by other top lawyers in the same geographic and legal practice area.
Joseph W. "Jay" Fleece, III, is a native Floridian having been born and raised in St. Petersburg. Mr. Fleece started practicing law in 1980 with the firm of Belcher & Fleece, P.A., and subsequently joined Holland & Knight, where he was a partner heading up the litigation department of the St. Petersburg office. In 2004, Mr. Fleece joined with Hamden H. Baskin, III, and founded the law firm of BaskinFleece, located in Clearwater, Florida. In 2017 Mr. Fleece moved his practice back to S...
William D. Bonezzi is a Shareholder as well as one of the founders of the firm. He has been a practicing attorney since 1973 and his legal career has been devoted to trial work. His competitive nature, developed in college athletics and honed in the U.S. Marine Corps where he served his country from 1965 to 1968, is ideally suited for confidently litigating the most difficult cases. Mr. Bonezzi is admitted to both the Florida and Ohio bar and currently possesses licenses to practice law in bo...
Wil H. Florin was born in Salzburg, Austria and raised in Ft. Wayne, Indiana. He received his B.A. from Ball State University where he was captain of the varsity soccer team and President of the University’s largest social fraternity (Sigma Phi Epsilon). He obtained his Juris Doctorate from Stetson University College of Law in 1980 where he won the school Moot Court competition and was a State Moot Court finalist. The Law School campus (which is perennially recognized by U.S. News and W...
Will handles a broad range of complex commercial real estate and corporate issues for his clients throughout Florida and the entire Southeast. His clients include developers, investors institutional private equity funds, EB-5 developers and funds, as well as high net worth individuals and their associated family offices. He also regularly counsels clients on corporate securities and financing related matters. Representative engagements include serving as lead counsel on the development of a 1...
Susan has specialized in tax planning for over 35 years. She has a Masters of Law in Taxation and formerly was Board Certified in Tax Law by the Florida Bar Board of Legal Specialization (1995 – 2011). Her practice includes Federal and Florida tax issues related to the formation and operation of corporations (including S corporations), partnerships, and limited liability companies. She also consults with respect to the formation and operation of tax exempt entities. In addition, Susan i...
Explore and Learn
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
Musk v. Altman: The Lawyers Behind the Case
by Jamilla Tabbara
Meet the Trial Lawyers Shaping One of AI's Biggest Legal Disputes.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The Legal Teams Behind the Blake Lively–Justin Baldoni Settlement
by Grace Greer
A closer look at the legal teams and attorneys involved in the Blake Lively–Justin Baldoni litigation and its resolution.
How AI Is Changing the Way Clients Find Lawyers
by Jamilla Tabbara
Best Lawyers CEO Phil Greer explains how AI-driven search tools are reshaping legal marketing and why credibility markers matter.