Ohio Rev. Code § 154.14
All property, real or personal, purchased, acquired, constructed, or owned by the commission under this chapter, or financed in whole or in part by obligations issued under this chapter, and used by the commission or any governmental agency for the exercise of its powers and duties, is public property used exclusively for a public purpose, and such property and the income of the commission or issuing authority or any governmental agency therefrom is exempt from all taxation and assessment within this state, including ad valorem and excise taxes. The obligations issued under Chapter 154. of the Revised Code, the transfer thereof, and the income therefrom, including any profit made on the sale thereof, shall at all times be free from taxation within the state. The transfer of tangible personal property by lease under authority of Chapter 154. of the Revised Code is not a sale as used in Chapter 5739. of the Revised Code.
R.C. §154.14