351.14  PARKING ON POSTED PRIVATE PROPERTY.
   (a)   If an owner of private property posts on the property in a conspicuous manner, 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. 
(ORC 4511.681)
 
   (b)   Except as otherwise provided in this subsection, whoever violates this section is guilty of a minor misdemeanor.  If, within one year of the offense, the offender previously has been convicted of or pleaded guilty to one predicate motor vehicle or traffic offense, whoever violates this section is guilty of a misdemeanor of the fourth degree.  If, within one year of the offense, the offender previously has been convicted of two or more predicate motor vehicle or traffic offenses, whoever violates this section is guilty of a misdemeanor of the third degree.