A lease purchase agreement between a tenant and a landlord allows the renter the option to eventually buy the property. "A lease option is a contract in which a landlord and tenant agree that, at the end of a specified period, the renter can buy the property at a specified price.Texas Rent-to-Own Lease Agreement. A Texas rent-to-own lease agreement is a standard rental contract with an added option-to-purchase clause for the tenant. Lease-purchases may provide that once a sufficient down payment is paid, the tenant-buyer will have an option to purchase the property at a certain price. Use the Lease Purchase Option to set forth all of the details of the transaction, including rent credits, purchase price, and time frame. This document lays out the terms of the rental agreement and the steps the tenant needs to take if they want to buy the rental unit. For more information on this innovative Lease with Right To Purchase program, please call or fill out the form below. Purchase agreement is a standard lease with an added option for the tenant to purchase the property. Filling out this document requires attention to specific details.