Ohio Rev. Code § 6131.55: Rights and remedies of owner who has not received notice.

(A) Any owner of land affected by an improvement who has not received notice thereof and has not had an opportunity to be heard as provided in this chapter or Chapter 6133., 6135., or 6137. of the Revised Code may bring an action in the court of common pleas of the county wherein the owner's land is located, against the board of county commissioners in its official capacity, to recover any tax or assessment paid, to enjoin any tax, assessment, or levy upon the owner's lands, to recover for any damages sustained, or for compensation for any property taken.

(B) The board may plead and prove the value of any actual benefit to the land by reason of the improvement.

(C) The rights granted by this section shall be in addition to all other rights provided by law.