Sean J. O'Sullivan
Currently registeredSean J. O'Sullivan is an attorney admitted to the New York State Bar in 1988, with a registered practice address in Albertson, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.
| Registration number | 2170389 |
|---|---|
| Bar status | Currently registered |
| Year admitted | 1988 |
| Judicial department | Department 2 |
| Law school | Hofstra |
| Practice city | Albertson, NY |
| County | Nassau |
| Firm / organization | Ahmuty Demers & Mcmanus |
| Office address | 200 I U Willets Rd, Albertson, NY, 11507 |
| Phone | (516) 294-5433 |
| Next registration due | Jan 2028 |
About Ahmuty Demers & McManus LLP
Ahmuty Demers & McManus LLP is a law firm that describes itself as a civil defense litigation practice serving clients in the greater New York and New Jersey area. Its history begins with William R. Ahmuty, Jr., who started practicing law in 1946. The firm in its current form was established in 1983, when Philip J. McManus joined William R. Ahmuty, III and Henri A. Demers. The firm reports more than 60 attorneys across multiple offices.
Practice areas of Ahmuty Demers & McManus LLP:
These are the practice areas the organization describes on its website. They are not a statement about Sean J. O'Sullivan’s own practice or any specialty certification.
View the Ahmuty Demers & McManus LLP profile and its 49 registered attorneys →
Office location
Registered office address on file with the New York State Bar. Verify before visiting, as the address reflects the contact on record and may be a firm rather than a personal office.
Verify this record
Bar status can change at any time. For the authoritative, real-time status of Sean J. O'Sullivan, confirm directly through the official New York Attorney Search using the registration number above. This record is republished from public New York State data and is provided for reference only — it is not legal advice and not an endorsement.
Other attorneys in Albertson
See all attorneys in Albertson, NY →
Other graduates of Hofstra
See all graduates of this school →