Sublease: An agreement in which tenant leases property from another tenant (or "sublandlord") instead of from the landlord directly. Sublet your property in NYC with confidence using our customizable agreement template.Ensure legal compliance in New York. If Subtenant shall take occupancy of the Sublease Premises for the conduct of Subtenant's business, Sublandlord's Work shall be deemed substantially completed. Create your free New York sublease agreement and legally sublet your property. Download our template as a PDF or Word file here. Subletting your office space or commercial property? Easily customize your own Commercial Sublease Agreement. If you would like to sublease your apartment, you must first tell your landlord that you want to do this. Create a sublease agreement to legally sublet your property.