Texas Family Code - FAM § 157.320. Priority of Lien as to Real Property

(a) A lien created under this subchapter does not have priority over a lien or conveyance of an interest in the nonexempt real property recorded before the child support lien notice is recorded in the county where the real property is located.

(b) A lien created under this subchapter has priority over any lien or conveyance of an interest in the nonexempt real property recorded after the child support lien notice is recorded in the county clerk's office in the county where the property of the obligor is located.

(c) A conveyance of real property by the obligor after a lien notice has been recorded in the county where the real property is located is subject to the lien and may not impair the enforceability of the lien against the real property.

(d) A lien created under this subchapter is subordinate to a vendor's lien retained in a conveyance to the obligor.