Legal Question in Real Estate Law in Ohio

Your question implicates the property law doctrine of lateral support. Generally speaking, a landowner has a legally enforceable right to lateral support from an adjoining landowner. If the adjoining landowner does something to his property that causes damage to a neighbor's property, the adjoining landowner can be found liable in strict liability or in negligence, depending on whether the affected property was unimproved and in a natural state, or improved, respectively.

Consult with an attorney in your area who is well-versed in property law. This post should not be considered legal advice and no attorney-client relationship was formed through this general answer.