10.08.140 Manufactured home siting requirements.
The provisions established herein are intended to assure the siting of manufactured homes in mobile/manufactured home parks, manufactured home subdivisions and on individual lots is compatible with surrounding uses and preserves the general character and integrity of the mobile/manufactured park, manufactured home subdivision and/or adjacent residential uses.
(1) New Manufactured Homes. As defined in Title 10, Appendix A, new manufactured homes are allowed to be sited in the same manner as site-built homes, factory-built homes, or homes built to any other state construction or local design standard. New manufactured homes shall:
(A) Be set upon a permanent foundation, as specified by the manufacturer, and that the space from the bottom of the home to the ground be enclosed by concrete or an approved concrete product which can be either load bearing or decorative;
(B) Comply with all local design standards applicable to all other homes within the neighborhood in which the manufactured home is to be located;
(C) Be thermally equivalent to the state energy code; and
(D) Meet all other requirements for a designated manufactured home as defined in RCW 35.63.160.
(2) Manufactured Homes. In addition to the specific regulations set forth in the LDSF use district the following regulations shall apply to the placement of manufactured homes not defined by this title as new manufactured homes, in manufactured home subdivisions or on individual lots in the LDSF zoning district. All such manufactured homes shall:
(A) Have permanent steps or inclined planes affixed to all entrances;
(B) Maintain a minimum eighteen-inch crawl space under the entire unit;
(C) Either be set upon a permanent foundation as required by subsection (1)(A) of this section or have permanent skirting or side walls installed to enclose all areas between the lower edge of the outside walls and the ground;
(D) Be placed and anchored per the manufacturer's installation instructions or per the design of a professional engineer or architect licensed in Washington (WAC 296-150M-610(1)(C)), except in flood prone areas placement and anchoring shall be in accordance with the provisions of Chapter 11.19, Appendix A;
(E) Have the tow tongue and axles removed;
(F) Roof Slope. Roof slope shall be not less than a two-foot rise for each twelve feet of horizontal run;
(G) Roofing Materials. Roofing materials shall be compatible in appearance with surrounding site-built homes, and consistent with fire safety standards;
(H) Siding Materials. Siding materials shall be wood, masonite, or other material compatible with surrounding site-built homes;
(I) Pit Set. If not set upon a permanent foundation in accordance with subsection (1)(A)of this section, manufactured homes shall be "pit set," with the bottom of the floor joist or frame no more than twelve inches above finished grade, except as necessary to accommodate terrain. The pit shall be of sufficient depth to accommodate an eighteen-inch clearance below the frame of the unit with crawl space access located near utility connections. (Ord. 2018, § 2, 2017; Ord. 1634, § 41, 2004.)