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Sean A. Costis
25 yrs licensedSean A. Costis PA
244 Pinellas cases since 2020
Background
- ·Sean Achilles Costis is a family law attorney in St. Petersburg, FL, focusing exclusively on family law matters including divorce, alimony, child support, timesharing, and relocation. A native Floridian, he graduated from Stetson University College of Law in 2000 and was admitted to the Florida Bar in 2001 (Bar #469165). He earned a B.A. in Political Science from the University of South Florida. Known for his confident, tenacious approach, detailed listening, and problem-solving, Sean aims for sensible solutions benefiting families. Selected to Super Lawyers multiple years
- ·12 Avvo endorsements. Simultaneously serving on FL Bar 6th Circuit Grievance Committees D and E. Prior appointment to the FL Bar Board of Governors.
Sean A. Costis has 244 Pinellas family cases filed 2020-2026. Most frequent bench: Steve D. Berlin (52x). Appears before 20 judges total. Tier: T1.
Distinguished (Martindale-Hubbell, 2018-2019)
J.D., Stetson University College of Law
Case Analytics
From 7,853 dissolution cases filed 2020–2026 · Pinellas County clerk portal
Total Cases244Dissolution cases in Pinellas County
Settled at FJ47(28%)Cases where parties agreed before the judge ruled
Reopened20Cases returned to court after final judgment
With Children89Cases involving custody and timesharing
Without Children119Cases with no custody issues
Motions / Case2.4Legal filings per case — higher means more aggressive
Recent Cases95Filed in the last two years
Performance by Judge
- Steve D. Berlin (52x), Elizabeth Jack (33x), Brian Gnage (33x)
Final Judgments102Cases ending with a signed divorce decree
Dismissed2Cases closed without a final judgment
Most Frequent Judges (Pinellas)
Steve D. Berlin (52x), Elizabeth Jack (33x), Brian Gnage (33x)
Institutional Roles
- ·FL Bar #469165
- ·Attorney Member, 6th Circuit Grievance Committee 'E' (term through Oct 31, 2026)
- ·Member, 6th Circuit Grievance Committee 'D' (term through Oct 31, 2026)
- ·FL Bar Family Law Section member
- ·Canakaris Family Law Inn of Court member
- ·St. Petersburg Bar Association member
- ·Martindale-Hubbell Distinguished Rating (2018, 2019)
- ·Best Lawyers — St. Petersburg family law
- ·Stetson University College of Law J.D. December 2000
- ·USF alumni
All data sourced from public court records. Case counts reflect dissolution filings in Pinellas County 2020–2026. This is not legal advice. Past case patterns do not predict outcomes in individual matters.