Ontario Municipal Code Div. 9.02 Glossary

9.01.000: Purpose ...................................................................................................................... 9.02-1 9.01.005: Applicability ............................................................................................................... 9.02-1

REFERENCES

Reference A—Style and Format Principles .......................................................................................... A-1 Reference B—Architectural Styles ......................................................................................................... B-1 Reference C—Downtown Ontario Design Guidelines ........................................................................ C-1 Reference D—Residential Design Guidelines ...................................................................................... D-1 Reference E—Commercial Design Guidelines .................................................................................... E-1 Reference F—Industrial Design Guidelines ........................................................................................... F-1 Reference G—Landscape Design and Construction Guidelines...................................................... G-1 Reference H—Community Climate Action Plan ................................................................................. H-1 Reference I—Chino Airport Land Use Compatibility Plan .................................................................... I-1 Reference J—Objective Development & Design Standards .............................................................. J-1

(Rev. 02.17.2026) Page x Ontario Development Code

Table of Contents

LIST OF TABLES

Table 2.02-1: Review Matrix ............................................................................................................ 2.02-1 Table 2.03-1: Notification Matrix..................................................................................................... 2.03-1 Table 3.02-1: Amortization Period of Certain Classifications of Nonconforming Signs ............ 3.02-4 Table 5.02-1: Land Use Matrix ......................................................................................................... 5.02-5 Table 5.03-1: Development Standards for Detached Accessory Residential Structures ...... 5.03-16 Table 5.03-2: Minimum Lighting Requirements for Adult-Oriented Businesses ....................... 5.03-29 Table 5.03-3: Minimum Mobile Home Building Separation Requirements .............................. 5.03-96 Table 5.03-4: Small Collection Facility Maximum Parking Reduction .................................... 5.03-102 Table 5.03-5: Maximum Animal Keeping Densities as an Accessory Use ............................. 5.03-135 Table 5.03-6: Maximum Animal Keeping Densities for Animal Production ........................... 5.03-139 Table 5.03-7: Minimum Number of Work/Live Units to be Equipped with a Shower Adaptable for ADA Compliance ................................................................................................. 5.03-160 Table 6.01-1: Traditional Single-Family Residential Development Standards ........................... 6.01-5 Table 6.01-2A: Small Lot Traditional Single-Family Development Standards ............................. 6.01-10 Table 6.01-2B: Small Lot Alley-Loaded Single-Family Development Standards ....................... 6.01-14 Table 6.01-2C: Cluster Single-Family Development Standards ................................................... 6.01-18 Table 6.01-3: Multiple-Family Residential Development Standards ......................................... 6.01-22 Table 6.01-4: Minimum Open Space Requirements for Multiple-Family and Mixed-Use Development Projects ........................................................................................... 6.01-31 Table 6.01-5A: Minimum Requirements for Common Recreation Amenities ............................ 6.01-32 Table 6.01-5B: Minimum Requirements for Common Recreation Areas – Ontario Ranch ..... 6.01-33 Table 6.01-6: Minimum Requirements for Floor Plan and Exterior Elevation Variation for Single- Family Dwellings ...................................................................................................... 6.01-33 Table 6.01-7: Maximum Single-Family Residential Drive Approach Widths ............................ 6.01-37 Table 6.01-8: Commercial Zoning District Development Standards ........................................ 6.01-50 Table 6.01-9: Acceptable Exterior Building Finishes ................................................................... 6.01-54 Table 6.01-10: Industrial Zoning District Development Standards .............................................. 6.01-63 Table 6.01-11: Animal Types and Maximum Densities ................................................................. 6.01-75 Table 6.01-12: AG (Agricultural) Overlay District Development Standards .............................. 6.01-79 Table 6.02-1: Maximum Height of Interior Side and Rear Property Line Walls and Fences..... 6.02-6 Table 6.02-2: Maximum Height of Walls or Fences within Front and Street Side Setback Areas .................................................................................................................................... 6.02-7 Table 6.03-1: Off-Street Parking Requirements ............................................................................. 6.03-4 Table 6.03-2: Standards for Parking Spaces, Drive Aisles, and Driveways .............................. 6.03-13 Table 6.03-3: Dimensions for Parking Facilities ............................................................................ 6.03-14 Table 6.05-1: Minimum Tree Size Mix ............................................................................................ 6.05-20 Table 6.05-2: Minimum Tree Species Mix ..................................................................................... 6.05-20 Table 6.05-3: Minimum Tree Size Specifications ......................................................................... 6.05-20 Table 6.05-4: Minimum Tree Setback/Separations .................................................................... 6.05-21 Table 8.01-1: Sign Regulation Matrix .............................................................................................. 8.01-7

Ontario Development Code Page 5.03-xi (Rev. 02.17.2026)

Table of Contents

LIST OF FIGURES

Figure 5.01-1: MU-1(Downtown Mixed Use) Zoning District Land Use Areas Map .................... 5.01-5 Figure 5.01-2: MU-1 (Downtown Mixed Use) Zoning District Land Use Map .............................. 5.01-6 Figure 5.03-1: Ontario Toyota Arena entertainment Zone ......................................................... 5.03.50 Figure 5.03-2 Drive-Thru Facilities Street-Oriented Example Site Plan ...................................... 5.03-65 Figure 6.01-1A: Example Development—Traditional Single-Family Residential ........................... 6.01-8 Figure 6.01-1B: Example Development—Traditional Single-Family Residential with Public Alley Access ........................................................................................................................ 6.01-9 Figure 6.01-2A: Example Development—Small Lot Traditional Single-Family Residential ......... 6.01-13 Figure 6.01-2B: Example Development—Small Lot Alley-Loaded Single-Family Residential Example .................................................................................................................................. 6.01-17 Figure 6.01-2C: Example Development—Cluster Single-Family Residential ............................... 6.01-21 Figure 6.01-3A: Example Multiple-Family Development — MDR-11 (5.1 to 11.0 DU/Acre) Zoning District ....................................................................................................................... 6.01-25 Figure 6.01-3B: Example Multiple-Family Development — MDR-18 (11.1 to 18.0 DU/Acre) Zoning District ....................................................................................................................... 6.01-26 Figure 6.01-3C: Example Multiple-Family Development — MDR-25 (18.1 to 25.0 DU/Acre) Zoning District ....................................................................................................................... 6.01-27 Figure 6.01-3D: Example Multiple-Family Development — HDR-45 (25.1 to 45.0 DU/Acre) Zoning District ....................................................................................................................... 6.01-28 Figure 6.01-4: Equestrian Trail Step-Through Entry Design .......................................................... 6.01-38 Figure 6.01-5: Equestrian Trail Steel Barrier Gate Entry Design ................................................... 6.01-39 Figure 6.02-1: Tiered Retaining Wall Design Concept .................................................................. 6.02-4 Figure 6.03-1: Garage/Carport Entrance Clear Area ................................................................ 6.03-15

(Rev. 02.17.2026) Page xii Ontario Development Code

Chapter 1.0: Development Code Enactment and General Provisions

Division 1.01—Development Code Enactment, Consistency and Severability