Texas Property Code - PROP § 53.052. Filing of Affidavit

(a) An original contractor claiming the lien must file an affidavit with the county clerk:

(b) Except as provided by Subsection (c) or (d), a claimant other than an original contractor claiming the lien must file an affidavit with the county clerk not later than the 15th day of the fourth month after the later of:

(c) A claimant other than an original contractor claiming a lien arising from a residential construction project must file an affidavit with the county clerk not later than the 15th day of the third month after the later of:

(d) A claimant other than an original contractor claiming a lien for retainage must file an affidavit with the county clerk not later than the 15th day of the third month after the month in which the original contract under which the claimant performed was completed, terminated, or abandoned.

(e) An affidavit under this chapter must be filed in the county where the improvements are located. The county clerk shall record the affidavit in records kept for that purpose and shall index and cross-index the affidavit in the names of the claimant, the original contractor, and the owner. Failure of the county clerk to properly record or index a filed affidavit does not invalidate the lien.