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Title 9 — Planning and Zoning

Chapter 9.64 — R4 SUBURBAN MULTIFAMILY RESIDENTIAL DISTRICT

Lake Forest Zoning Code · 2026-06 edition · updated 2026-07-25 · Lake Forest

§ 9.64.010. Purpose of district.

The R4 district is established to provide for the development and maintenance of high-density multifamily residential neighborhoods with a moderate amount of open spaces. Only those uses that are complementary to and compatible with such a residential neighborhood are permitted. (Ord. 176 § 1, 2007; Ord. 297 § 5, 2017)

§ 9.64.020. Principal uses permitted.

The following principal uses are permitted:

  • A. Multifamily dwellings with four or fewer dwelling units;

  • B. Single-family dwellings;

  • C. Parks, playgrounds, and athletic fields (noncommercial);

  • D. Residential care facilities, in accordance with Chapter 5.44 (Residential Care Facilities);

  • E. Small and large family day care homes;

  • F. Limited home rentals.

  • (Ord. 176 § 1, 2007; Ord. 297 § 5, 2017; Ord. 363 § 10, 2023)

§ 9.64.030. Principal uses permitted subject to a site development permit.

The following principal uses are permitted subject to the approval of a site development permit under Section 9.184.010 :

  • A. Multifamily dwellings with five or more dwelling units (except condominium, stock cooperative, and community apartment projects) as permitted by Section 9.146.070 ;

  • B. Fire and police stations;

  • C. Public libraries and museums;

  • D. Public or private utility buildings and structures.

(Ord. 176 § 1, 2007; Ord. 297 § 5, 2017)

§ 9.64.040. Principal uses permitted subject to a use permit.

The following principal uses are permitted subject to the approval of a use permit by the Planning Commission under Section 9.184.010 :

  • A. Wireless communication facilities under Chapter 9.162 of this Code;

  • B. Churches, temples, and other places of worship;

  • C. Educational institutions;

  • D. Mobilehome developments under Section 9.176.010 ;

  • E. Residential condominium, stock cooperative, and community apartment projects under Section 9.146.070 ;

  • F. Residential planned (unit) developments under the site development standards of Chapter 9.124 ;

  • G. Any other use that the Planning Commission finds is consistent with the purpose and intent of this district.

  • (Ord. 176 § 1, 2007; Ord. 297 § 5, 2017)

§ 9.64.050. Temporary uses permitted.

Temporary uses are permitted in accordance with Section 9.144.070 . (Ord. 176 § 1, 2007; Ord. 297 § 5, 2017)

§ 9.64.060. Accessory uses and structures permitted.

The following accessory uses and structures are permitted when associated with and subordinate to a permitted principal use on the same legal parcel of land:

  • A. Uses per Section 9.144.080 ;

  • B. Signs, as permitted by Chapter 9.164 ;

  • C. Noncommercial keeping of pets and animals in accordance with Section 9.146.030 ;

  • D. Home occupations under Section 9.146.060 ;

  • E. Leasing offices;

  • F. Accessory uses and structures that the Director of Community Development finds are consistent with the purpose and intent of this district.

  • (Ord. 176 § 1, 2007; Ord. 297 § 5, 2017)

§ 9.64.070. Prohibited uses.

Notwithstanding Sections 9.64.020 through 9.64.060 , the following uses are specifically prohibited:

  • A. Keeping pets or animals for any commercial purpose;

  • B. The storage of vehicles, equipment, or products related to a commercial activity not permitted in this district;

  • C. Transitory lodgings;

  • D. Uses not expressly permitted by this chapter.

  • (Ord. 176 § 1, 2007; Ord. 297 § 5, 2017)

§ 9.64.080. Site development standards.

  • A. Building Site Area. Seven thousand two hundred square feet minimum except per Section 9.144.020 .

  • B. Building Height. Thirty-five feet maximum except per Section 9.144.020 .

  • C. Area per Unit. Three thousand square feet minimum net land area per dwelling unit except per Section 9.144.020 .

  • D. Distance Between Principal Structures. Fifteen feet minimum.

  • E. Building Setbacks. Per Sections 9.144.030 , 9.144.040 , and 9.144.080 .

  • F. Off-Street Parking. Per Section 9.168.010 .

  • G. Lights. All lights shall be designed and located so that direct light rays shall be confined to the premises.

  • H. Landscaping. For multifamily projects of five or more units and common areas of planned developments. Per Section 9.144.060 .

  • (Ord. 176 § 1, 2007)

§ 9.64.090. Ancillary uses permitted.

The following ancillary uses are permitted subject to special provisions as noted:

  • A. Power supply facility in accordance with Chapter 9.166 of this Code. (Ord. 176 § 1, 2007)

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Contents — Lake Forest Zoning Code
Lake Forest Zoning Code
  1. Title 9 — Planning and Zoning
    Overview
    1. Chapter 9.02 — PLANNING COMMISSION
    2. Chapter 9.04 — GENERAL PROVISIONS
    3. Chapter 9.08 — ADULT BUSINESS ZONING REGULATIONS
    4. Chapter 9.10 — MARIJUANA REGULATION - ADMINISTRATION
    5. Chapter 9.16 — (RESERVED)
    6. Chapter 9.30 — (RESERVED)
    7. Chapter 9.44 — R1 SINGLE-FAMILY RESIDENCE DISTRICT
    8. Chapter 9.48 — RS RESIDENTIAL SINGLE-FAMILY DISTRICT
    9. Chapter 9.52 — STATE-MANDATED RESIDENTIAL—TWO UNIT PROJECTS
    10. Chapter 9.56 — R2 MULTIFAMILY DWELLINGS DISTRICT
    11. Chapter 9.60 — MULTIFAMILY RESIDENTIAL OBJECTIVE DESIGN STANDA…
    12. Chapter 9.64 — R4 SUBURBAN MULTIFAMILY RESIDENTIAL DISTRICT
    13. Chapter 9.68 — RP RESIDENTIAL-PROFESSIONAL DISTRICT
    14. Chapter 9.72 — NON-RESIDENTIAL ZONING DISTRICTS
    15. Chapter 9.73 — MIXED-USE DISTRICT
    16. Chapter 9.76 — (RESERVED)
    17. Chapter 9.80 — (RESERVED)
    18. Chapter 9.86 — (RESERVED)
    19. Chapter 9.88 — (RESERVED)
    20. Chapter 9.96 — (RESERVED)
    21. Chapter 9.100 — (RESERVED)
    22. Chapter 9.112 — PC PLANNED COMMUNITY DISTRICT
    23. Chapter 9.124 — PD PLANNED DEVELOPMENT DISTRICT
    24. Chapter 9.140 — UNDERGROUND UTILITY DISTRICTS
    25. Chapter 9.142 — DONATION COLLECTION BOXES
    26. Chapter 9.144 — GENERAL REGULATIONS
    27. Chapter 9.146 — SPECIAL REGULATIONS
    28. Chapter 9.148 — PUBLIC SAFETY RADIO SYSTEM COVERAGE
    29. Chapter 9.150 — SURFACE MINING AND LAND RECLAMATION REGULATIONS
    30. Chapter 9.151 — HOUSING ELEMENT SITES INVENTORY REGULATIONS
    31. Chapter 9.152 — AFFORDABLE HOUSING INCENTIVES AND DENSITY BONU…
    32. Chapter 9.160 — FACILITY DESIGN REGULATIONS
    33. Chapter 9.162 — WIRELESS COMMUNICATION FACILITIES
    34. Chapter 9.164 — SIGNS
    35. Chapter 9.166 — CABLE SYSTEM POWER SUPPLY FACILITIES DESIGN AN…
    36. Chapter 9.168 — OFF-STREET PARKING
    37. Chapter 9.170 — REGULATION OF PERIMETER WALLS
    38. Chapter 9.172 — CONDOMINIUM CONVERSIONS
    39. Chapter 9.176 — MOBILEHOME REGULATIONS
    40. Chapter 9.180 — TEMPORARY OUTDOOR PROMOTIONS
    41. Chapter 9.182 — OUTDOOR VENDING ON PRIVATE PROPERTY
    42. Chapter 9.184 — DISCRETIONARY PERMITS
    43. Chapter 9.188 — NONCONFORMING USES
    44. Chapter 9.192 — CERTIFICATES OF USE AND OCCUPANCY
    45. Chapter 9.194 — DEVELOPMENT AGREEMENTS
    46. Chapter 9.196 — AMENDMENTS AND ZONE CHANGES
    47. Chapter 9.208 — ENFORCEMENT PROCEDURES
    48. Chapter 9.220 — COVENANTS FOR EASEMENTS
    49. Chapter 9.228 — CANYON COMMERCIAL DISTRICT
    50. Chapter 9.232 — PORTOLA BLUFF RESIDENTIAL DISTRICT
    51. Chapter 9.236 — OPEN SPACE CONSERVATION DISTRICT

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