Mark Andrew Costello
- Verified against the Florida bar record and the New York State attorney registration file, July 2026
9 years in practice
First admitted in 2017
First admitted in 2017
- 2017 Admitted, Florida
- 2021 Admitted, New York
Overview
Mark Andrew Costello is an attorney admitted in Florida (since 2017) and New York (since 2021), based in Hartsdale, NY.
This profile is built from public bar records and shows only what those records contain. Mark has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| Florida | 2017 | #127303 | Active |
| New York | 2021 | #5862883 | Active |
Education
- Nova Southeastern University Shepard Broad Law CenterLaw school, per the bar record
Contact and offices
The Costello Law Firm, P.A.
Hartsdale, NY
The Costello Law Firm, P.A.
1 E Broward Blvd Ste 700
Fort Lauderdale, FL 33301
The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.
Other attorneys in Hartsdale
Ordered by years licensed, from the same public records.
Sources for this profile: the Florida bar record; the New York State attorney registration file. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.