A lien is a legal claim against the property of a debtor in case they fail to fulfill the terms of a contract or some other financial obligation. By filing a mechanic's lien, you can hold clients accountable with the backing of Texas law.Learn more about mechanic's liens in Texas. This research guide contains information and resources for Mechanics' and Materialmen's Liens in. Texas. The resources listed below are not exhaustive. A construction lien waiver is a document that a service provider or materials supplier gives a general contractor or owner when they are paid. Liens generally supply the recipients with as much information as possible to understand who and why the property is being liened. A "lien" is a notice that attaches to your property, telling the world that a creditor claims you owe it some money. To show that a lien has officially been removed on a property, you have to file a document called a "lien release" in the real property records. These forms allow parents, families, and employers to provide the Child Support Division with additional information so we can better serve you.