SEIDEN & SCHEIN, P.C. is one of New York’s top law firms, providing skillful representation in the development, buying, selling, leasing and financing of real estate.

Jay G. Seiden


Jay G. Seiden, together with Alvin Schein, founded Seiden & Schein, P.C. in 1996. Jay is a recognized expert in real estate tax incentives with over 52 years of experience in advising property owners, developers, investors and lenders in all aspects of property tax issues and real estate tax benefit programs. Jay heads up the

Alvin Schein


Alvin Schein, a founding partner of Seiden & Schein, P.C., is a recognized expert in both co-op and condominium law and in affordable housing law. He has filed or supervised the filing of more than 200 inclusionary housing plans with the New York City Department of Housing Preservation and Development (“HPD”), in both onsite and

Adam A. Levenson


Adam has been with the firm since 1999 and has been a Partner since 2008. As a member of the Condominium and Cooperative Offering Plans and Declarations Group, Adam ably represents developers of residential and mixed-use projects in New York City before the New York State Attorney General’s Office in the preparation of market-rate and

Jane Rosenberg


Jane joined the Firm in 2015 as a Partner and is a member of the Condominium and Cooperative Offering Plans and Declarations Group. She has close to 35 years of experience representing owners, developers, investors and lenders in planning, developing, purchasing, converting, financing and selling commercial and residential real estate for shared-interest ownership. She registers

Jason C. Hershkowitz


Jason joined the Firm in 2007 and has been a partner since 2015.  He is a member of the Real Estate Tax Incentives and Benefits, Inclusionary Housing Development and Condominium and Cooperative Offering Plans and Declarations Groups. He represents developers in a wide variety of property tax issues, with a strong focus on real estate

David Shamshovich


David joined Seiden & Schein, P.C. in early 2016, and is a partner in the Inclusionary Housing Development Group, Inclusionary Air Rights and Development Rights Group and the Transactions, Financing and Leasing Group. David counsels developers and their consultants on all aspects of HPD’s Inclusionary Housing Program, Mandatory Inclusionary Housing Program and Affordable Independent Residences

Stacy E. Jacobson


Stacy joined the Firm in 2016 and is a member of the Transactions, Financing and Leasing and Condominium and Cooperative Offering Plans and Declarations Groups.  She has over 24 years of experience advising clients on a wide variety of real estate matters and other business transactions.  She has significant expertise in all aspects of acquisition,

Hillary A. Potashnick


Hillary joined the Firm in 2017 as Senior Counsel to the Condominium and Cooperative Offering Plan and Declaration Group. She has over 30 years of practice experience in acquisitions and sales of real estate, cooperative/condominium new construction and conversion projects, all aspects of registrations and representation of developers, lenders and coop and condo boards, financing

Frank Baquero


Frank joined the Firm in 2015 and is a member of the Real Estate Tax Incentives and Benefits Group.  His primary focus is on New York City’s Industrial and Commercial Abatement Program and the 421-a real estate tax exemption program.  In this capacity, he counsels clients on the applicable statutory and regulatory procedures and provides

David W. Lu


David joined the Firm in 2017 and is a member of the Condominium and Cooperative Offering Plans and Declarations Group. He advises developers in negotiating purchase agreements for residential and commercial units and drafts substantive amendments for offering plans and declarations of condominium. David is an active member and current co-chair of the Solo and