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Title 18 — ZoningChapter 18.532 — SPECIFIC PLAN NO. 20

Article III — Property Development Standards—Area I

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

§ 18.532.110. General.

All uses and structures in Area I shall be designed and operated in full compliance with the development standards contained in this article. (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.120. Minimum lot dimensions.

Minimum lot area width and depth provisions, none required. However, a subdivision request within this area shall be accompanied by an illustrative site plan showing the lots are of sufficient size and shape to adequately support the type of uses permitted in the area in accordance with the development standards in this article.

(Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.130. Building setbacks.

  • A. Streets.

    1. Arrow Highway, minimum twenty-five feet for structures up to eighteen feet high and forty feet for structures higher than eighteen feet;

    2. All other streets, minimum twenty feet for structures up to eighteen feet high, and thirty feet for structures higher than eighteen feet.

  • B. Interior lot lines, none required. However, each project shall be accompanied by an illustrative site plan demonstrating the project is designed sufficiently to accommodate the type of uses permitted in the area in accordance with the development standards in this article.

  • (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.140. Maximum building coverage.

Maximum building coverage, none required. Permitted maximum coverage shall be a secondary consideration subordinate to compliance with all other design regulations contained in this chapter. (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.150. Maximum building height.

Maximum building height is twenty-five feet. (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.160. Landscaping.

The following areas shall be fully landscaped and irrigated, maintained in good appearance and kept in a weed-and disease-free manner.

  • A. Streets. A continuous area, a minimum of twenty-five feet along Arrow Highway and twenty feet along other streets, shall be landscaped and maintained adjacent to public rights-of-way. Parking areas should be screened as much as possible utilizing shrubs and other decorative treatments of sufficient size and height to meet this requirement.

  • B. Overall Site. All building sites shall have a minimum landscaped coverage equivalent to ten percent of the total lot area excluding setbacks. Such landscaping shall be evenly distributed over the site and consist of an effective combination of trees, ground cover and shrubbery. A reduction in coverage may be sought and approved during the design review process in recognition of quality design. For the purposes of this provision, quality considerations include the use of courtyards, atriums, creative use of ground floor public space, creative use of water elements, and the incorporation of sculpture or art work in the landscape proposal. All areas not utilized for structures, parking or other permitted uses shall be landscaped.

  • C. All interior side and rear setbacks shall be fully landscaped.

  • D. Buffer Landscaping. Where the area abuts residential uses, other than along a street, a continuous ten-foot landscaped buffer strip shall be provided.

  • (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.170. Senior citizen housing requirements.

Housing unit requirements, including, but not limited to, minimum unit sizes, accessibility, amount and type of recreation facilities, shall meet or exceed all federal and state regulations in addition to

all applicable city ordinances and policies. (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.180. Lighting.

Lot and street lighting standards shall be as follows:

  • A. All display and security lighting in the project area shall be designed for uniformity of lighting poles, fixtures and intensity. Lighting fixtures shall be decorative and those designed in a western or Early California theme are preferred.

  • B. All outside lighting shall be so arranged and shielded as to prevent any glare or reflection, any nuisance, inconvenience or hazardous interference of any kind on adjoining rights-of-way or residential property.

  • (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.190. Signage.

In addition to signage permitted by Chapter 18.152 , an entry monument sign may be permitted subject to the approval pursuant to Chapter 18.12 of this title.

(Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013; Ord. 1324, 6/10/2025)

§ 18.532.200. Off-street parking.

Off-street parking shall be subject to city off-street parking standards with the exception of senior citizen residential facilities, which shall be subject to the following requirements:

  • A. Individual Units. Apartment-like units that contain kitchens, one off-street parking space per unit, plus ten percent guest/staff parking;

  • B. Congregate Care Units. Those facilities that contain common dining facilities with no individual kitchens in the rooms, one off-street parking space per four beds, plus ten percent guest/staff parking. The planning commission, pursuant to the conditional use permit process, may require this standard for those facilities containing non-ambulatory residents, provided a finding is made that satisfactory evidence has been submitted for less parking.

  • (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013)

§ 18.532.210. Architecture.

Structures shall be designed utilizing an Early California architecture design and shall be approved by the review authority pursuant to Chapter 18.12 of this title. (Ord. 861 § 1, 1987; Ord. 1222 § 1, 2013; Ord. 1324, 6/10/2025)

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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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