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Title 17 — Development Code

Chapter 17.146 — HISTORIC RESOURCES DEFINITIONS

Rancho Cucamonga Zoning Code · 2026-06 edition · updated 2026-07-25 · Rancho Cucamonga

§ 17.146.010. Purpose.

The purpose of this chapter is to provide definitions for unique terms used throughout this title that relate to historic resources.

(Ord. No. 1000 § 4, 2022)

§ 17.146.020. Historic resource definitions.

"Alteration" means any act or process that modifies a historic landmark or contributing resource that either:

  • Requires a building permit and changes one or more of the features of a landscape or structure including, without limitation, the erection, construction, reconstruction, or relocation of any structure or any part of a structure; or

  • Significantly changes any feature of a landscape or exterior of a structure that relates to its status as a historic landmark or contributing resource, regardless of whether such act or process requires a building permit.

"Commission" means the city historic preservation commission.

"Conservation district" means an area of the city designated as a conservation district pursuant to this chapter.

"Contributing resource" means any site, sign, structure, building, landscape, object, area, place, or feature within a conservation district that is either a separately designated historic landmark or designated as a resource that contributes to the district's historic, cultural, or architectural significance.

"Demolition" means any act or process that destroys, in whole or in part, a building, structure, or site or permanently impairs its structural integrity.

"Historic landmark" means any structure any site, sign, structure, building, landscape, object, area, place, or feature designated as a historic landmark pursuant to this chapter.

"Inventory of historic resources" means the inventory adopted by the commission of potentially historic sites, structures, buildings, landscapes, areas, and places in the city.

"Ordinary maintenance and repair" means any work for which a building permit is not required by law the purpose and effect of which is to correct any deterioration of or damage to an improvement or natural feature or any part thereof and to restore the same to its condition prior to the occurrence of such deterioration or damage.

"Point of historic interest" means a location designated as a point of historic interest pursuant to this chapter.

"Register of historic resources" means the inventory adopted by the commission of historic landmarks, points of historic interest, and conservation districts designated pursuant to this chapter.

"Rehabilitation" means the act or process of making possible a compatible use for a property through repair, alterations, and additions while preserving those portions or features which convey its historical, cultural, or architectural significance.

"Restoration" means the act or process of accurately depicting the form, features, and character of a property as it appeared at a particular period of time by means of the removal of features from other periods in its history and reconstruction of missing features from the restoration period, which may include the limited and sensitive upgrade of mechanical, electrical, and plumbing systems and other code-required work to make the property functional.

cting the form, features, and character of a property as it appeared at a particular period of time by means of the removal of features from other periods in its history and reconstruction of missing features from the restoration period, which may include the limited and sensitive upgrade of mechanical, electrical, and plumbing systems and other code-required work to make the property functional.

"Secretary's standards" means the standards for the treatment of historic properties adopted by the United States Secretary of the Interior, and all guidelines adopted for the implementation of the same.

"Small business" means any office-type use that does not exceed 2,500 square feet, with no more than five employees.

"State Historical Building Code" means the California Health and Safety Code § 18950 et seq., and the California Historical Building Code, codified at part 8, title 24 of the California Code of Regulations, as either of these may be amended from time to time. (Ord. No. 1000 § 4, 2022)

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Contents — Rancho Cucamonga Zoning Code
Rancho Cucamonga Zoning Code
  1. Title 17 — Development Code
    Overview
    1. Chapter 17.02 — PURPOSE AND APPLICABILITY
    2. Chapter 17.04 — ADMINISTRATIVE RESPONSIBILITY
    3. Chapter 17.06 — RULES AND INTERPRETATION
    4. Chapter 17.08 — ENFORCEMENT
    5. Chapter 17.12 — LAND USE AND DEVELOPMENT APPROVAL REQUIREMENTS
    6. Chapter 17.14 — GENERAL APPLICATION PROCESSING PROCEDURES
    7. Chapter 17.16 — PLANNING DIRECTOR DECISIONS
    8. Chapter 17.18 — HISTORIC PRESERVATION COMMISSION DECISIONS
    9. Chapter 17.20 — PLANNING COMMISSION DECISIONS
    10. Chapter 17.22 — CITY COUNCIL DECISIONS
    11. Chapter 17.26 — ESTABLISHMENT OF ZONES
    12. Chapter 17.28 — ADOPTION OF ZONING MAP
    13. Chapter 17.30 — ALLOWED LAND USE BY BASE ZONE
    14. Chapter 17.32 — ALLOWED USE DESCRIPTIONS
    15. Chapter 17.34 — GENERAL DEVELOPMENT STANDARDS
    16. Chapter 17.36 — DEVELOPMENT STANDARDS BY BASE ZONE
    17. Chapter 17.38 — OVERLAY ZONES AND OTHER SPECIAL PLANNING AREAS
    18. Chapter 17.42 — ACCESSORY STRUCTURES
    19. Chapter 17.44 — CONDOMINIUM CONVERSIONS
    20. Chapter 17.46 — DENSITY BONUSES, INCENTIVES, AND CONCESSIONS
    21. Chapter 17.48 — FENCES, WALLS, AND SCREENING
    22. Chapter 17.50 — IMPLEMENTATION OF GREEN BUILDING CODE
    23. Chapter 17.52 — HILLSIDE DEVELOPMENT
    24. Chapter 17.54 — USES IN HISTORIC STRUCTURES
    25. Chapter 17.56 — LANDSCAPING STANDARDS
    26. Chapter 17.58 — OUTDOOR LIGHTING STANDARDS
    27. Chapter 17.60 — OUTDOOR SALES, STORAGE, DISPLAY, AND SEATING S…
    28. Chapter 17.62 — NONCONFORMING USES AND STRUCTURES
    29. Chapter 17.64 — PARKING AND LOADING STANDARDS
    30. Chapter 17.66 — PERFORMANCE STANDARDS
    31. Chapter 17.68 — PROPERTY MAINTENANCE
    32. Chapter 17.70 — SIDEWALKS AND TRAILS
    33. Chapter 17.72 — SIGN REGULATIONS FOR PUBLIC PROPERTY
    34. Chapter 17.74 — SIGN REGULATIONS FOR PRIVATE PROPERTY
    35. Chapter 17.76 — ALTERNATIVE ENERGY SYSTEMS AND FACILITIES
    36. Chapter 17.77 — TRANSFER OF DEVELOPMENT RIGHTS
    37. Chapter 17.78 — TRANSPORTATION DEMAND MANAGEMENT
    38. Chapter 17.80 — TREE PRESERVATION
    39. Chapter 17.82 — WATER EFFICIENT LANDSCAPING
    40. Chapter 17.84 — UNDERGROUND UTILITIES
    41. Chapter 17.86 — ADULT BUSINESS USES
    42. Chapter 17.88 — ANIMAL REGULATIONS
    43. Chapter 17.89 — AUTOMOBILE SERVICE STATION
    44. Chapter 17.90 — CAR WASHING AND DETAILING
    45. Chapter 17.91 — DRIVE-IN AND DRIVE-THROUGH USES
    46. Chapter 17.92 — HOME OCCUPATIONS
    47. Chapter 17.93 — HOTELS
    48. Chapter 17.94 — COMMERCIAL CANNABIS USES AND CULTIVATION
    49. Chapter 17.96 — MOBILEHOMES
    50. Chapter 17.97 — LIVE/WORK UNITS
    51. Chapter 17.98 — PUBLIC UTILITIES AND USES
    52. Chapter 17.100 — ACCESSORY DWELLING UNITS AND JUNIOR ACCESSORY…
    53. Chapter 17.102 — SPECIAL REGULATED USES
    54. Chapter 17.104 — TEMPORARY USES
    55. Chapter 17.106 — WIRELESS TELECOMMUNICATION FACILITIES
    56. Chapter 17.108 — TELEVISION SATELLITE DISH AND ANTENNA REGULAT…
    57. Chapter 17.109 — BATTERY ENERGY STORAGE FACILITIES
    58. Chapter 17.110 — EMERGENCY SHELTERS
    59. Chapter 17.111 — VEHICLE SERVICE USES
    60. Chapter 17.112 — PURPOSE AND APPLICABILITY
    61. Chapter 17.114 — SPECIAL PLANNING AREA MAP AND DESCRIPTIONS
    62. Chapter 17.118 — PURPOSE AND APPLICABILITY
    63. Chapter 17.120 — GENERAL DESIGN PROVISIONS
    64. Chapter 17.122 — DESIGN PROVISIONS BY DEVELOPMENT TYPE
    65. Chapter 17.123 — MULTI-FAMILY AND RESIDENTIAL MIXED-USE
    66. Chapter 17.124 — DESIGN PROVISIONS FOR PUBLIC ART
    67. Chapter 17.126 — INTRODUCTION
    68. Chapter 17.130 — ZONE AND BUILDING STANDARDS
    69. Chapter 17.132 — BUILDING ENTRANCES AND FACADES
    70. Chapter 17.134 — PUBLIC OPEN SPACE
    71. Chapter 17.136 — LAND USE STANDARDS
    72. Chapter 17.138 — LARGE SITE DEVELOPMENT
    73. Chapter 17.140 — UNIVERSAL DEFINITIONS
    74. Chapter 17.142 — ADULT BUSINESS DEFINITIONS
    75. Chapter 17.144 — DENSITY BONUS DEFINITIONS
    76. Chapter 17.146 — HISTORIC RESOURCES DEFINITIONS
    77. Chapter 17.148 — CANNABIS DEFINITIONS
    78. Chapter 17.150 — SIGN DEFINITIONS
    79. Chapter 17.152 — WIRELESS COMMUNICATIONS DEFINITIONS
    80. Chapter 17.154 — FORM-BASED CODE DEFINITIONS

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