(a) A factory-built structure that was constructed in accordance with the U.S. Department of Housing and Urban Development requirements and bearing an appropriate Department of Labor and Industries insignia indicating such compliance; or

(b) A factory-built structure designed for human occupancy, which is entirely or substantially prefabricated or assembled at a place other than a building site and is transported to a building site on streets or highways and there affixed to a permanent foundation. A factory-assembled home must be constructed to International Building Code standards as adopted by the City of Pasco for on-site construction, the Washington State Energy Code and all other codes adopted by the City of Pasco governing the construction of residential structures.

(c) Where a “factory-assembled home” is permitted within a zoning designation, it may be permitted only as one of the allowed housing types within that zone (e.g. single-family home), including as an accessory dwelling unit; provided, it meets the applicable criteria for that housing type and zoning designation.