Duane D. Schoonmaker
- Verified against the New York State attorney registration file, July 2026
40 years in practice
First admitted in 1986
First admitted in 1986
- 1986 Admitted, New York
Overview
Duane D. Schoonmaker is an attorney admitted in New York (since 1986), based in Williamsville, NY.
This profile is built from public bar records and shows only what those records contain. Duane has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| New York | 1986 | #2037174 | Active |
Education
- Suny at BuffaloLaw school, per the bar record
Contact and offices
William Mattar, P.C.
6720 Main St
Williamsville, NY 14221
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 Williamsville
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.