Grava v. Parkman Township

The issue certified to this court is whether, “[a]bsent a showing of changed circumstances, the doctrine of res judicata is applicable to decisions of a *381board of zoning appeals denying a request for a variance, even when the subsequent action seeks a zoning certificate based on the property’s alleged status as a prior legal nonconforming use as provided for in a zoning'resolution.” We answer this query in the affirmative.

In Set Products, Inc. v. Bainbridge Twp. Bd. of Zoning Appeals (1987), 31 Ohio St.3d 260, 31 OBR 463, 510 N.E.2d 373, paragraph one of the syllabus, this court held that…