Dean Shaun Mastrangelo
- Verified against the New York State attorney registration file, July 2026
27 years in practice
First admitted in 1999
First admitted in 1999
- 1999 Admitted, New York
Overview
Dean Shaun Mastrangelo is an attorney admitted in New York (since 1999), based in Syosset, NY.
This profile is built from public bar records and shows only what those records contain. Dean has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| New York | 1999 | #2931087 | Active |
Education
- Roger WilliamsLaw school, per the bar record
Contact and offices
Law Office of Dean Mastrangelo PC
575 Underhill Blvd Ste 203
Syosset, NY 11791
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 Syosset
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.