The oldest house in Lake Oswego City of Lake Oswego Landmark Designation List - The Society saved the Carman House from demolition. On August 4, 2016 the Oregon Supreme Court ruled unanimously in our favor in the case of Lake Oswego Preservation Society v. City of Lake Oswego. It is the first time this high court has heard a preservation issue and set a statewide precedent that … [Read more...] about Carman House