Donn Louis Costello
- Verified against the Supreme Court of Ohio attorney directory, July 2026
12 years in practice
First admitted in 2014
First admitted in 2014
- 2014 Admitted, Ohio
Overview
Donn Louis Costello is an attorney admitted in Ohio (since 2014), based in Hilliard, OH.
This profile is built from public bar records and shows only what those records contain. Donn has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| Ohio | 2014 | #91963 | Active |
Education
- Capital UniversityLaw school, per the bar record
Contact and offices
Costello Law, LLC
3966 Brown Park Drive
Suite G
Hilliard, OH 43026
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 Hilliard
Ordered by years licensed, from the same public records.
Sources for this profile: the Supreme Court of Ohio attorney directory. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.