John Owen Brennan
- Verified against the New York State attorney registration file, July 2026
35 years in practice
First admitted in 1991
First admitted in 1991
- 1991 Admitted, New York
Overview
John Owen Brennan is an attorney admitted in New York (since 1991), based in Floral Park, NY.
This profile is built from public bar records and shows only what those records contain. John has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| New York | 1991 | #2392447 | Active |
Education
- St JohnsLaw school, per the bar record
Contact and offices
Ryan Brennan & Donnelly LLP
131 Tulip Ave
Floral Park, NY 11001
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 Floral Park
Ordered by years licensed, from the same public records.
Sources for this profile: 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.