N.C. Gen. Stat. § 40A-21
Notice of all proceedings brought hereunder shall be filed with the clerk of superior court of each county in which any part of the land is located in the form and manner provided by G.S. 1-116, and the clerk shall index and cross-index this notice as required by G.S. 1-117. In the record of lis pendens and in the judgment docket required by G.S. 7A-109 the clerk shall always index the name of the condemnor as the plaintiff and the name of the property owner as the defendant irrespective of whether the condemning party is the plaintiff or defendant. The filing of such notice shall be constructive notice of the proceeding to any person who subsequently acquires any interest in or lien upon said property, and the condemnor shall take all property condemned under this Article free of the claims of any such person.
N.C. Gen. Stat. § 40A-21