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

Yonatan Y. Klestzick

Currently registered

Yonatan Y. Klestzick is an attorney admitted to the New York State Bar in 2018, with a registered practice address in Valley Stream, New York. According to the New York Office of Court Administration, the current registration status on record is Currently registered.

Registration number5576939
Bar statusCurrently registered
Year admitted2018
Judicial departmentDepartment 2
Law schoolBrooklyn Law School
Practice cityValley Stream, NY
CountyNassau
Firm / organizationLieberman And Klestzick
Office address70 E Sunrise Hwy, Valley Stream, NY, 11581
Phone(516) 900-6720
Next registration dueMay 2028

About Lieberman and Klestzick, LLP (L&K Legal)

L&K Legal is the name under which Lieberman and Klestzick, LLP operates. The firm describes itself as a boutique civil firm serving creditors in the commercial finance industry. Its work covers commercial collections, revenue-based financing litigation, judgment enforcement, UCC and secured party rights, and workouts. It also handles business-to-business commercial litigation through appeal and drafts financing agreements and settlements.

Practice areas of Lieberman and Klestzick, LLP (L&K Legal):

Commercial Litigation Appeals

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

View the Lieberman and Klestzick, LLP (L&K Legal) profile and its 5 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 Yonatan Y. Klestzick, 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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