Zachary Rothken

Zachary Rothken
Rosenberg & Estis

Zachary J. Rothken joined Rosenberg & Estis, P.C. in 2018 and is a Member and Head of the firm’s Administrative Law Department. His practice focuses on complex rent regulatory issues concerning rent stabilization and rent control. Rothken represents property owners in administrative proceedings before DHCR and other administrative agencies, including claims alleging rent overcharge, TPU audits, petitions for administrative review and reduction of services. His practice also focuses on counseling prospective purchasers, sellers and lenders in performing due diligence on properties subject to rent regulation. Rothken’s practice also includes representing property owners in a wide variety of litigation matters, including: Article 78 proceedings, Supreme Court actions and landlord-tenant summary proceedings.

Rothken earned his J.D. at Hofstra University School of Law and received a Bachelor of Science degree from Yeshiva University, Sy Syms School of Business. While in law school, Rothken served as Articles Editor for Volume 30 of the Hofstra Labor & Employment Law Journal. He co-authored an article titled, Limits on Sovereign Immunity in the Post-NASA v. Nelson Era: Greater Government Liability for Negligent Hiring, which was published in the Summer 2013 volume of the New York State Bar Association Labor and Employment Law Journal.

When DHCR issued proposed amendments to the Rent Stabilization Code on August 31, 2022, Rothken swiftly conducted a live webinar to address the major changes found in the RSC proposed amendments. The webinar drew in the highest attendance of any Firm webinar to date. Rothken was subsequently invited as an expert speaker to RSC webinars hosted by the Community Housing Improvement Program (CHIP) and the Rent Stabilization Association (RSA). In December 2022, Rothken was published in the New York Law Journal with his co-authored article, “Administrative Rulemaking and DHCR’s Proposed Amendments to the Rent Stabilization Code.”

Notable Work

  • Armstrong, et al., v. Dumbo Lofts (Sup. Ct. Kings Co. 2021): overcharge action brought by a number of tenants; won full summary judgment on issue of fraud and rent freeze; full summary judgment on all claims of one tenant; partial summary judgment on all claims but willfulness for remaining tenants.
  • Westchester Plaza Tenants Association v. DHCR and Westchester Plaza Holdings, LLC (Sup. Ct. Westchester County 2021): successfully defended Article 78 proceeding brought by tenants’ association in complex building-wide service reduction/modification of services proceeding.
  • Matter of Kristopher, RA Docket No. GQ-410097-R (10/5/21): successfully defended rent overcharge complaint; utilized creative legal argument in support of deregulation despite lack of last rent stabilized lease.