Tenn. Code Ann. § 66-19-102: Duration of lien

The lien shall be upon and include the conveyance and improvements thereon, and continue for twelve (12) months after the work is finished or repairs made or material furnished and until the final decision of any suit that may be brought within that time for the debt to the contractor, or undertaker, or furnisher, and bind the conveyance and improvements thereon; provided, that the conveyance with improvements thereon has not been transferred in good faith to a purchaser without notice.