The first step to sublet your NYC apartment is to read through your lease. A New York lease agreement is a binding contract that allows a landlord to rent residential or commercial space to a tenant in exchange for payment.Create your free New York sublease agreement and legally sublet your property. Download our template as a PDF or Word file here. 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. This guide provides basic information to consider before you enter into a commercial lease in New York City. Topics include location selection,. Is taking over a lease agreement the same as subletting? First, let's get the terminology straight. Here's some language for a sample letter requesting sublet permission.