Ohio Rev. Code § 1311.02: Lien of subcontractor, laborer or materialman.

Every person who performs work or labor upon or furnishes material in furtherance of any improvement undertaken by virtue of a contract, express or implied, with the owner, part owner, or lessee of any interest in real estate, or the owner's, part owner's, or lessee's authorized agent, and every person who as a subcontractor, laborer, or material supplier, performs any labor or work or furnishes any material to an original contractor or any subcontractor, in carrying forward, performing, or completing any improvement, has a lien to secure the payment therefor upon the improvement and all interests that the owner, part owner, or lessee may have or subsequently acquire in the land or leasehold to which the improvement was made or removed.