Ohio Revised Code Title XLVII. Occupations Professions § 4722.01

(A) “Cost-plus contract” means a contract entered into between an owner and a home construction service supplier under which payment to the supplier is based on the cost of a product plus the supplier's rate for labor to install the product plus an agreed percentage of profit or a stipulated fee.

(B) “Home construction service” means the construction of a residential building. “Home construction service” does not include construction performed on a structure that contains four or more dwelling units, except for work on an individual dwelling unit within that structure, or construction performed on the common area of a condominium property.

(C) “Home construction service contract” means a contract between an owner and a supplier to perform home construction services, including services rendered based on a cost-plus contract, for an amount exceeding twenty-five thousand dollars.

(D) “Home construction service supplier” or “supplier” means a person who contracts with an owner to provide home construction services for compensation and who maintains in force a general liability insurance policy in an amount of not less than two hundred fifty thousand dollars.

(E) “Owner” means the person who contracts with a home construction service supplier. “Owner” may include the owner of the property, a tenant who occupies the dwelling unit on which the home construction service is performed, or a person the owner authorizes to act on the owner's behalf to contract for a home construction service, and any other person who contracts for a home construction service.

(F) “Residential building” means a one-, two-, or three-family dwelling and any accessory construction incidental to the dwelling. “Residential building” does not include any of the following:

(G) “Workmanlike manner” means the home construction service supplier has engaged in construction that meets or exceeds the minimum quantifiable standards promulgated by the Ohio home builders association.