State ex rel. O'Connor v. Helm

In this consolidated appeal, the relator, Kip O’Connor, appeals judgments in two mandamus cases that arose out of a dispute between O’Connor and Clackamas County about development permits relating to a rock revetment (commonly referred to as a retaining wall or rip-rap) along the Sandy River. In the first mandamus action (“the permit case”) (A152148), O’Connor sought to compel the county to issue a floodplain development permit — for the revetment but also for authorization to construct a new residence on a lot along the river — on the ground that the county failed to take final action on…