A person has a lien if the person, under a contract with the owner or the owner's agent, trustee, receiver, contractor, or subcontractor:
(1) labors or furnishes labor or materials for construction or repair of an improvement;
(2) specially fabricates material, even if the material is not delivered;
(3) is a licensed architect, engineer, or surveyor providing services to prepare a design, drawing, plan, plat, survey, or specification;
(4) provides labor, plant material, or other supplies for the installation of landscaping for an improvement, including the construction of a retention pond, retaining wall, berm, irrigation system, fountain, or other similar installation; or
(5) performs labor as part of, or furnishes labor or materials for, the demolition of an improvement on real property.
Official text of the Texas Property Code as published by the Texas Legislative Council.