William Francis Mastro
- Verified against the New York State attorney registration file, July 2026
47 years in practice
First admitted in 1979
First admitted in 1979
- 1979 Admitted, New York
Overview
William Francis Mastro is an attorney admitted in New York (since 1979), based in Staten Island, NY.
This profile is built from public bar records and shows only what those records contain. William has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| New York | 1979 | #1075860 | Active |
Education
- New York Law SchoolLaw school, per the bar record
Contact and offices
Registered office
Staten Island, 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 Staten Island
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.