Chapter 19.77 TWO-UNIT DEVELOPMENTS This chapter is included in your selections. Sections: 19.77.010 Purpose. 19.77.020 Definitions. 19.77.030 Permit application and procedures—Two-unit development. 19.77.040 Qualifying criteria for two-unit developments. 19.77.050 Objective design standards for two-unit developments. 19.77.060 Additional required documentation.