John Joseph Costello
- Verified against the New York State attorney registration file, July 2026
46 years in practice
First admitted in 1980
First admitted in 1980
- 1980 Admitted, New York
Overview
John Joseph Costello is an attorney admitted in New York (since 1980), based in Rochester, 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 | 1980 | #2084473 | Active |
Education
- McGeorgeLaw school, per the bar record
Contact and offices
John J Costello PC
Rochester, NY
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 Rochester
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.