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Title 18 — Zoning

Chapter 18.208 — ZONE CHANGES AND AMENDMENTS

San Dimas Zoning Code · 2026-06 edition · updated 2026-07-06 · San Dimas

§ 18.208.010. Purpose.

The purpose of this chapter is to set forth procedures by which this title may be amended to impose regulations not heretofore imposed, to remove or modify any regulation heretofore imposed, and to change zones or alter boundaries of districts. (Ord. 37 § 650.0, 1961; Ord. 286 § 2, 1970)

§ 18.208.020. Procedure.

  • A. A change of zone or other amendment described in Section 18.208.010 may be initiated by the city council, planning commission or an applicant as follows:

    1. A change of zone or other amendment may also be initiated by filing the appropriate application and fee with the community development department by an applicant or the owner(s) or authorized agents of property for which the zone change is being sought. If the property is under multiple ownership all owners or their authorized agents shall join in filing the application.
  • B. Application Contents for Zone Change. The application shall be complete and shall show:

    1. When was existing zoning effective and are there changed conditions to warrant other or additional zoning?

    2. Will the proposed change of zone adversely affect the adjoining property as to value, precedent, or be detrimental to the area?

    3. Will a change of zone be in the interest of furtherance of public health, safety and general welfare?

    4. Such other information as the commission deems necessary.

The application shall be verified, dated and accompanied by a certified list as shown on the latest available assessment roll of the county of the names and addresses of all persons to whom all property is assessed within three hundred feet of the exterior boundaries of the property described in the application.

  • C. Application—Contents for Other Than Zone Change. The application shall be complete and shall show:

    1. The nature of the amendment sought.

    2. The sections of this title affected.

    3. The reasons for the proposed amendment.

    4. Will the amendment further the public health, safety and welfare?

    5. Will the amendment adversely affect other properties?

    6. Are there changed conditions to warrant the amendment?

    7. Such other information as the commission deems necessary.

  • D. Investigation. The planning department shall investigate the facts bearing on the proposed zone change or other amendment to provide information necessary to assure action consistent with the intent of this title and the general plan.

  • E. Notice of Hearing. Notice of public hearing shall be given in the following ways, and shall contain the date, time and place of the hearing and, in the case of a hearing for a change of zone, a general description of the property for which a change of zone is sought.

    1. Notice shall be published in a newspaper of general circulation in the city not less than ten days before the date of hearing.

    2. Notices shall be posted not less than ten days before the date of the hearing in a conspicuous place at City Hall, the Los Angeles County public library, and the post office.

    3. Except in those cases where the planning commission determines that notice by United States Mail is impractical, notices for a hearing for a change of zone shall be mailed not less than ten days before the hearing to owners of property within a radius of three hundred feet of the exterior boundaries of the property described in the petition, as shown on the latest available assessment roll of the county.

n those cases where the planning commission determines that notice by United States Mail is impractical, notices for a hearing for a change of zone shall be mailed not less than ten days before the hearing to owners of property within a radius of three hundred feet of the exterior boundaries of the property described in the petition, as shown on the latest available assessment roll of the county.

  • F. Commission Recommendations. The commission shall recommend to the city council approval or disapproval of the proposed change of zone or other amendment. The recommendation shall include the reasons therefor along with the following findings:

    1. Whether or not the proposed change of zone or other amendment will adversely affect the adjoining property as to value, precedent or be detrimental to any area.

    2. Whether or not the change of zone or other amendment will further the public health, safety and general welfare.

    3. Whether or not the change of zone or other amendment is consistent with the general plan and any applicable special plans.

  • G. Council Procedure. Upon receipt of the recommendation of the planning commission, the council shall hold a public hearing; provided, however, that if the matter under consideration is an amendment to a zoning ordinance to change property from one zone to another, and the planning commission has recommended against the adoption of such amendment, the city council shall not be required to take any further action thereon unless an appeal is made in accordance with the provisions of Chapter 18.212 , except as modified by subsection H of this section.

  • H. Council Action. The council may approve, modify or disapprove the recommendation of the commission.

I. Notification. The petitioner shall be notified by mail of the council's final action. (Ord. 37 § 650.2, 1961; Ord. 286 § 2, 1970; Ord. 318 § 1, 1971; Ord. 406 § 1, 1973; Ord. 661 § 1, 1979; Ord. 662 § 7, 1979; Ord. 1170 § 11, 2007; Ord. 1322, 4/22/2025)

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Contents — San Dimas Zoning Code
San Dimas Zoning Code
  1. Title 18 — Zoning
    Overview
    1. Chapter 18.04 — GENERAL PROVISIONS
    2. Chapter 18.08 — DEFINITIONS
    3. Chapter 18.12 — DEVELOPMENT PLAN REVIEW
    4. Chapter 18.14 — WATER-EFFICIENT LANDSCAPES
    5. Chapter 18.16 — ZONING DISTRICTS, MAPS AND BOUNDARIES
    6. Chapter 18.20 — RESIDENTIAL ZONES GENERALLY
    7. Chapter 18.22 — DENSITY BONUS
    8. Chapter 18.24 — S-F SINGLE-FAMILY RESIDENTIAL ZONE
    9. Chapter 18.26 — DEVELOPMENT STANDARDS OVERLAY ZONE
    10. Chapter 18.28 — SF-A SINGLE-FAMILY AGRICULTURE ZONE
    11. Chapter 18.32 — SF-H SINGLE-FAMILY HILLSIDE ZONE
    12. Chapter 18.35 — SF-DR SINGLE-FAMILY DOWNTOWN RESIDENTIAL ZONE
    13. Chapter 18.38 — ACCESSORY DWELLING UNITS
    14. Chapter 18.40 — AFFORDABLE HOUSING OVERLAY ZONE
    15. Chapter 18.42 — MULTIPLE-FAMILY (MF) ZONE
    16. Chapter 18.44 — MULTIPLE-FAMILY THIRTY UNITS PER ACRE (MF-30) …
    17. Chapter 18.48 — MF-D MULTIPLE-FAMILY ZONE— DUPLEX
    18. Chapter 18.50 — DOWNTOWN SPECIFIC PLAN
    19. Chapter 18.52 — RPD RESIDENTIAL PLANNED DEVELOPMENT ZONE
    20. Chapter 18.64 — A-L LIGHT AGRICULTURAL ZONE
    21. Chapter 18.92 — C-H COMMERCIAL-HIGHWAY ZONE
    22. Chapter 18.96 — C-N COMMERCIAL-NEIGHBORHOOD ZONE
    23. Chapter 18.104 — CPO COMMUNITY PARKING OVERLAY ZONE
    24. Chapter 18.108 — SCENIC HIGHWAY OVERLAY ZONE
    25. Chapter 18.112 — P-H PRIVATE HORSE OVERLAY ZONE
    26. Chapter 18.116 — CONSERVATION OVERLAY ZONE
    27. Chapter 18.122 — MOBILE HOME PARK ZONE
    28. Chapter 18.124 — OS OPEN SPACE ZONE
    29. Chapter 18.128 — INDUSTRIAL ZONES
    30. Chapter 18.132 — PS PUBLIC/SEMIPUBLIC ZONE
    31. Chapter 18.136 — A-P ADMINISTRATIVE PROFESSIONAL ZONE
    32. Chapter 18.140 — C-G CREATIVE-GROWTH ZONE
    33. Chapter 18.142 — DEVELOPMENT STANDARDS FOR SPECIFIC LAND USES
    34. Chapter 18.150 — WIRELESS COMMUNICATION FACILITIES
    35. Chapter 18.152 — SIGNS
    36. Chapter 18.156 — VEHICLE PARKING AND STORAGE
    37. Chapter 18.162 — TREE PRESERVATION
    38. Chapter 18.164 — HILLSIDE DEVELOPMENT
    39. Chapter 18.168 — ALTERNATIVE ENERGY SYSTEMS
    40. Chapter 18.170 — ELECTRIC VEHICLE CHARGING STATIONS
    41. Chapter 18.172 — PUBLICLY OWNED PROPERTY
    42. Chapter 18.180 — FLOOD CONTROL
    43. Chapter 18.184 — HOME BASED BUSINESSES
    44. Chapter 18.186 — RESERVED
    45. Chapter 18.188 — RESERVED
    46. Chapter 18.190 — SEXUALLY ORIENTED BUSINESSES
    47. Chapter 18.192 — UNCLASSIFIED USES
    48. Chapter 18.194 — MARIJUANA AND MEDICAL MARIJUANA
    49. Chapter 18.196 — TEMPORARY USES
    50. Chapter 18.198 — RECYCLING FACILITIES, DONATION BOXES AND NON-…
    51. Chapter 18.200 — CONDITIONAL USE PERMITS
    52. Chapter 18.204 — VARIANCES
    53. Chapter 18.208 — ZONE CHANGES AND AMENDMENTS
    54. Chapter 18.212 — APPEAL PROCEDURES
    55. Chapter 18.500 — SPECIFIC PLAN NO. 2
    56. Chapter 18.502 — SPECIFIC PLAN NO. 3
    57. Chapter 18.504 — SPECIFIC PLAN NO. 4
    58. Chapter 18.508 — SPECIFIC PLAN NO. 6
    59. Chapter 18.510 — SPECIFIC PLAN NO. 7
    60. Chapter 18.512 — SPECIFIC PLAN NO. 8
    61. Chapter 18.514 — SPECIFIC PLAN NO. 9
    62. Chapter 18.516 — SPECIFIC PLAN NO. 10
    63. Chapter 18.518 — SPECIFIC PLAN NO. 11
    64. Chapter 18.520 — SPECIFIC PLAN NO. 12
    65. Chapter 18.522 — SPECIFIC PLAN NO. 13
    66. Chapter 18.526 — SPECIFIC PLAN NO. 16
    67. Chapter 18.528 — SPECIFIC PLAN NO. 17
    68. Chapter 18.532 — SPECIFIC PLAN NO. 20
    69. Chapter 18.534 — SPECIFIC PLAN NO. 21
    70. Chapter 18.536 — SPECIFIC PLAN NO. 22
    71. Chapter 18.538 — SPECIFIC PLAN NO. 23
    72. Chapter 18.540 — SPECIFIC PLAN NO. 24
    73. Chapter 18.542 — SPECIFIC PLAN NO. 25

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