Discover the ultimate guide to selling your tenant-occupied house in New York, featuring expert tips, strategies, and local insights for a successful sale. Selling a property with a tenant is legally permissible.Many states don't require a real estate attorney to draft a purchase and sale agreement. Local Rent Guidelines Boards in New York City, Nassau, Rockland, and. The right to original lease terms is a right that ensures your original lease is enforceable, even if your landlord decides to sell the house. We've created a free sample letter you can use (no email optin required) to notify your tenants on your intent to sell the property. This booklet explains many of these laws you need to know and provides resources where you can find more information about landlord and tenant issues. If the tenant doesn't claim it within a reasonable time, then the landlord can either sell or dispose of the property. Rationale for New York Eviction Rules. New York has a history of passing some of the toughest laws in the country that are meant to protect honest tenants from greedy landlords.