Learn about your rights when it comes to sublease laws in NYC. Tenants in New York have the legal right to sublet under certain conditions.They must typically obtain the landlord's explicit written consent. You are entitled to request permission to sublet from the owner, and the owner may not unreasonably refuse such permission. Leases is an extensive subject that covers a variety of topics, including vacancy leases, renewal leases, security deposits, roommates, subletting, and more. We'll explore some of the legal nuances of subletting and walk you through the process of how to sublease your apartment. The main problem with coops as investment properties is you need board approval to rent the apartment. In co-op parlance, this is called "subletting". PREAMBLE: This Sublease contains the agreements between You and Owner concerning the rights and obligations of each party. I signed a lease for an apartment in NYC and just found out that I will have to leave the area in 5 months.