Chapter 17.51 R-4 MANUFACTURED HOUSING RESIDENTIAL ZONE Revised This chapter is included in your selections. Sections: 17.51.010 Objectives and characteristics. 17.51.020 Permitted uses and regulations. Revised 17.51.030 Area requirements. 17.51.040 Width requirements. 17.51.050 Location requirements. 17.51.060 Special provisions. Revised 17.51.070 Supplementary regulations.