A sublease agreement is a legal document allowing existing tenants to rent out their rented space to another party, the subtenant. If looking to re-let your residence please fill out the form above.You don't have to write up a sublease contract. 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. The replacement resident must fill out an application, qualify, and sign a new lease agreement. Create your free New York sublease agreement and legally sublet your property. Download our template as a PDF or Word file here. Under the terms of this sublease agreement. If a zoning ordinance restricts marital status, you can consider that when renting out a property in that zone. What is a sublease agreement in NYC?