Chapter 18.20 RESIDENTIAL ZONE R-M This chapter is included in your selections. Sections: 18.20.010 Uses permitted outright. 18.20.020 Conditional uses permitted. 18.20.030 Signs. 18.20.040 Lot size and density. 18.20.050 Yards. 18.20.060 Height of buildings. 18.20.070 Lot coverage. 18.20.080 R-M(Q) qualified development standards.