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.A legal sublease agreement in Texas must comply with the original lease terms. Subletting in Texas is legal, but tenants must follow specific guidelines outlined in the Texas Property Code 91.005. When you are letting the tenant sublease the property, you'll need to make sure all contracts are filled out accurately and legally. Easily create a legally binding sublease with our Texas Sublease Agreement. Easily edit, fill and sign for free with Lumin. In the sublease of property, the subtenant usually pays monthly. Create a comprehensive Texas sublease agreement with our sample template. You can fully customize, share, and e-sign the template using PandaDoc.