351.18 PARKING ON POSTED PRIVATE PROPERTY.
   (a)   If an owner of private property posts on the property in a conspicuous manner, a prohibition against parking on the property or conditions and regulations under which parking is permitted, no person shall do either of the following:
      (1)   Park a vehicle on the property without the owner's consent;
      (2)   Park a vehicle on the property in violation of any condition or regulation posted by the owner.
 
   (b)   Whoever violates division (a) of this section is guilty of a minor misdemeanor.
(R.C. § 4511.681)