This free Texas Affidavit of Lien form is for a subcontractor or supplier who has not been paid for their work or materials. An owner, the original contractor, or any person making the payment may request the release.Proper Documentation: You must complete and file a lien affidavit with the county clerk in the county where the property is located. An overview of Texas Lien Waiver requirements and laws for construction projects including free forms, FAQs, resources, and more. This process typically involves filing a Notice of Lien with the county clerk's office in the county where the property is located. A mechanic's lien is a way to secure your interest in the title to a property where labor or materials were supplied to improve the property. This paper does not cover the basics of perfecting a lien claim or other basic aspects of the mechanics lien laws. Filing a lien entails establishing a legal claim against an asset, often a property or a vehicle, which is commonly used as collateral for payment of a debt. Validity of Chapter 53 liens depends on compliance with statutory notice requirements set out in the Texas Property Code. Required procedures when filing include: 1) examining the statute and fulfilling all required notices.