First you need to find a good subtenant. Post the listing online, then interview potential subtenants and ask for three things.Make sure you have concrete housing plans. Tenants in New York have the legal right to sublet under certain conditions. They must typically obtain the landlord's explicit written consent. Subletting your apartment for less than 30 days is generally illegal in New York City, especially if you are renting out the entire apartment while you're away. Also known as a subletting, this arrangement allows someone to rent a home from someone else who is already renting the property. In NYC, it is permissible to sublet apartments, subject to certain conditions and requirements that should be outlined in the lease agreement. 153 Apartments for Sublet listings available now in in New York City. See the 645 available homes for rent with a private pool in New York.