A sublease is an agreement where someone takes over part or all of an existing lease. This type of lease involves at least three parties.This form is used only when the Seller occupies the property for no more than 90 days after closing of the purchase contract. Create a comprehensive Texas sublease agreement with our sample template. You can fully customize, share, and e-sign the template using PandaDoc. This form is intended for use when a tenant wishes to sublease his or her leased property to a third party. The landlord's consent is required. Create your free Texas residential sublease agreement. Download our template and learn how to sublet an apartment in Texas legally. This Sublease pertains to a specific property at the (Street Address) in the City of (City Address), Texas.