Neumann Sloat Arnold Architects Inc. is an architectural firm specializing in building envelope consulting, restoration, remedial design for exterior building components, and construction litigation support. Our Principals - Brian Neumann AIA, Austin Sloat AIA, and Steve Arnold AIA - have over eighty years of combined experience. The firm primarily operates in California, Oregon, and Hawaii although we have worked on projects in other locales. Our offices are in Oakland, California and Lake Oswego, Oregon.