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

Hanna Klapper

Currently registered

Hanna Klapper is an attorney admitted to the New York State Bar in 1986, with a registered practice address in New York, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number2051522
Bar statusCurrently registered
Year admitted1986
Judicial departmentDepartment 2
Law schoolBrooklyn Law School
Practice cityNew York, NY
CountyNew York
Firm / organizationDepartment Of The Treasury Internal Revenue Service
Office address33 Maiden Ln Fl 14, New York, NY, 10038
Phone(646) 259-8082
Next registration dueFeb 2026

About Internal Revenue Service

The Internal Revenue Service is a bureau of the U.S. Department of the Treasury. It enforces the country's federal tax statutes and collects federal taxes, and it administers the Internal Revenue Code, the main body of federal statutory tax law. The agency operates under the authority the Treasury secretary holds under the Internal Revenue Code, and its main address is in Washington, D.C.

Practice areas of Internal Revenue Service:

Tax Government & Regulatory

These are the practice areas the organization describes on its website. They are not a statement about Hanna Klapper’s own practice or any specialty certification.

View the Internal Revenue Service profile and its 35 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 Hanna Klapper, 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.

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