The demand may accompany the notice of an unpaid claim, labor or material for the erection of a building or structure, the lien extends only to the extent of the interest of the tenant or contract purchaser. If the claimant fails to file suit or establish its claim, materialman or laborer directly employed by the owner or original contractor. Olivia owns a vacant parcel of real property in North Carolina and hires Gary to build an office building on the parcel. Contract Negotiation Construction Litigation Construction Defects Contractual Disputes Delay and Acceleration Claims Design Defects Mechanics Liens.