Official NY OCA attorney registration data · Updated 2026 Methodology Discipline records

John William Dehaan

Currently registered

John William Dehaan is an attorney admitted to the New York State Bar in 1995, with a registered practice address in Baldwin, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number2671683
Bar statusCurrently registered
Year admitted1995
Judicial departmentDepartment 2
Law schoolNew York Law School
Practice cityBaldwin, NY
CountyNassau
Firm / organizationThe Dehaan Law Firm P.C.
Office address746 Merrick Rd, Baldwin, NY, 11510
Phone(631) 582-1200
Next registration dueSep 2027

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.

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