# WILLIAM F. COSTELLO

> Public directory record. License status is unknown; check the original sources before relying on a credential. Office location is not proof of admission.

[Canonical profile](<https://instalawhq.com/lawyers/william-f-costello-ny-1124601>) | [JSON record](<https://instalawhq.com/api/v1/lawyers/william-f-costello-ny-1124601>)

- Record ID: ny-1124601
- Updated: 2026-10-07T21:59:26.19041+00:00
- Data status: registry\_imported
- License status: unknown
- Claimed profile: No
- Title: Attorney
- Office: BRONX, New York
- Firm: Not provided
- Registry-reported employer: WILLIAM F. COSTELLO (current affiliation not verified); [source](<https://data.ny.gov/resource/eqw2-r5nb.json?registration_number=1124601>), observed 2026-10-06T22:55:46.642Z
- Practice areas: Not provided
- Languages: Not provided
- Years of experience: Not provided
- Free consultation: Not provided
- Virtual appointments: Not provided
- Accepting inquiries through this site: No
- Reported hourly fee: Not provided
- Rating: Not provided; review count: 0

## About

WILLIAM F. COSTELLO appears in New York attorney registration records with an office city of BRONX, NY.

## Approach

Not provided

## Education

Not provided

## Registry observations

Source-reported statuses below are observations, not independent confirmation of an active license.

- NY; registration 1124601; reported status: Due to reregister within 30 days of birthday; observed 2026-10-07T23:17:09.216Z; [source](<https://data.ny.gov/resource/eqw2-r5nb.json?registration_number=1124601>).

## Sources

- [Registry source](<https://data.ny.gov/resource/eqw2-r5nb.json?registration_number=1124601>); observed 2026-10-07T23:17:09.216Z.
- [Registry source](<https://data.ny.gov/resource/eqw2-r5nb.json?registration_number=1124601>); observed 2026-10-06T22:55:46.642Z.

## Contact



No inquiry action is available through this directory. Booking is unavailable. Public API and MCP access are read-only.
