Chapter 27.20 R2 DISTRICTS—TWO FAMILY DWELLINGS 27.20.010 PERMITTED USES. 27.20.020 SPECIAL USES. 27.20.030 BUILDINGS. 27.20.040 OFF-STREET PARKING. 27.20.050 MINIMUM DEVELOPMENT STANDARDS. 27.20.060 MAXIMUM FLOOR AREA RATIO. 27.20.065 Maximum Floor Area Ratio (Central Neighborhood & North Central Neighborhood) 27.20.070 YARD AREAS. 27.20.080 BUILDING HEIGHT AND DAYLIGHT PLANE.