Tex. Tax Code § 113.101 — APPLICABILITY OF LIEN BEFORE FILING

(a) No lien created by this title is effective against a person listed in Subsection (b) of this section who acquires a lien, title, or other right or interest in property before the filing, recording, and indexing of the lien: (1) on real property, in the county where the property is located; or (2) on personal property, in the county where the taxpayer resided at the time the tax became due and payable or in the county where the taxpayer filed the report. (b) This section applies to a bona fide purchaser, mortgagee, holder of a deed of trust, judgment creditor, or any other person who acquired the lien, title, or right or interest in the property for bona fide consideration. Acts 1981, 67th Leg., p. 1520, ch. 389, Sec. 1, eff. Jan. 1, 1982.