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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▸ Title 17 — Development Code
Overview- Chapter 17.02 — PURPOSE AND APPLICABILITY
- Chapter 17.04 — ADMINISTRATIVE RESPONSIBILITY
- Chapter 17.06 — RULES AND INTERPRETATION
- Chapter 17.08 — ENFORCEMENT
- Chapter 17.12 — LAND USE AND DEVELOPMENT APPROVAL REQUIREMENTS
- Chapter 17.14 — GENERAL APPLICATION PROCESSING PROCEDURES
- Chapter 17.16 — PLANNING DIRECTOR DECISIONS
- Chapter 17.18 — HISTORIC PRESERVATION COMMISSION DECISIONS
- Chapter 17.20 — PLANNING COMMISSION DECISIONS
- Chapter 17.22 — CITY COUNCIL DECISIONS
- Chapter 17.26 — ESTABLISHMENT OF ZONES
- Chapter 17.28 — ADOPTION OF ZONING MAP
- Chapter 17.30 — ALLOWED LAND USE BY BASE ZONE
- Chapter 17.32 — ALLOWED USE DESCRIPTIONS
- Chapter 17.34 — GENERAL DEVELOPMENT STANDARDS
- Chapter 17.36 — DEVELOPMENT STANDARDS BY BASE ZONE
- Chapter 17.38 — OVERLAY ZONES AND OTHER SPECIAL PLANNING AREAS
- Chapter 17.42 — ACCESSORY STRUCTURES
- Chapter 17.44 — CONDOMINIUM CONVERSIONS
- Chapter 17.46 — DENSITY BONUSES, INCENTIVES, AND CONCESSIONS
- Chapter 17.48 — FENCES, WALLS, AND SCREENING
- Chapter 17.50 — IMPLEMENTATION OF GREEN BUILDING CODE
- Chapter 17.52 — HILLSIDE DEVELOPMENT
- Chapter 17.54 — USES IN HISTORIC STRUCTURES
- Chapter 17.56 — LANDSCAPING STANDARDS
- Chapter 17.58 — OUTDOOR LIGHTING STANDARDS
- Chapter 17.60 — OUTDOOR SALES, STORAGE, DISPLAY, AND SEATING S…
- Chapter 17.62 — NONCONFORMING USES AND STRUCTURES
- Chapter 17.64 — PARKING AND LOADING STANDARDS
- Chapter 17.66 — PERFORMANCE STANDARDS
- Chapter 17.68 — PROPERTY MAINTENANCE
- Chapter 17.70 — SIDEWALKS AND TRAILS
- Chapter 17.72 — SIGN REGULATIONS FOR PUBLIC PROPERTY
- Chapter 17.74 — SIGN REGULATIONS FOR PRIVATE PROPERTY
- Chapter 17.76 — ALTERNATIVE ENERGY SYSTEMS AND FACILITIES
- Chapter 17.77 — TRANSFER OF DEVELOPMENT RIGHTS
- Chapter 17.78 — TRANSPORTATION DEMAND MANAGEMENT
- Chapter 17.80 — TREE PRESERVATION
- Chapter 17.82 — WATER EFFICIENT LANDSCAPING
- Chapter 17.84 — UNDERGROUND UTILITIES
- Chapter 17.86 — ADULT BUSINESS USES
- Chapter 17.88 — ANIMAL REGULATIONS
- Chapter 17.89 — AUTOMOBILE SERVICE STATION
- Chapter 17.90 — CAR WASHING AND DETAILING
- Chapter 17.91 — DRIVE-IN AND DRIVE-THROUGH USES
- Chapter 17.92 — HOME OCCUPATIONS
- Chapter 17.93 — HOTELS
- Chapter 17.94 — COMMERCIAL CANNABIS USES AND CULTIVATION
- Chapter 17.96 — MOBILEHOMES
- Chapter 17.97 — LIVE/WORK UNITS
- Chapter 17.98 — PUBLIC UTILITIES AND USES
- Chapter 17.100 — ACCESSORY DWELLING UNITS AND JUNIOR ACCESSORY…
- Chapter 17.102 — SPECIAL REGULATED USES
- Chapter 17.104 — TEMPORARY USES
- Chapter 17.106 — WIRELESS TELECOMMUNICATION FACILITIES
- Chapter 17.108 — TELEVISION SATELLITE DISH AND ANTENNA REGULAT…
- Chapter 17.109 — BATTERY ENERGY STORAGE FACILITIES
- Chapter 17.110 — EMERGENCY SHELTERS
- Chapter 17.111 — VEHICLE SERVICE USES
- Chapter 17.112 — PURPOSE AND APPLICABILITY
- Chapter 17.114 — SPECIAL PLANNING AREA MAP AND DESCRIPTIONS
- Chapter 17.118 — PURPOSE AND APPLICABILITY
- Chapter 17.120 — GENERAL DESIGN PROVISIONS
- Chapter 17.122 — DESIGN PROVISIONS BY DEVELOPMENT TYPE
- Chapter 17.123 — MULTI-FAMILY AND RESIDENTIAL MIXED-USE
- Chapter 17.124 — DESIGN PROVISIONS FOR PUBLIC ART
- Chapter 17.126 — INTRODUCTION
- Chapter 17.130 — ZONE AND BUILDING STANDARDS
- Chapter 17.132 — BUILDING ENTRANCES AND FACADES
- Chapter 17.134 — PUBLIC OPEN SPACE
- Chapter 17.136 — LAND USE STANDARDS
- Chapter 17.138 — LARGE SITE DEVELOPMENT
- Chapter 17.140 — UNIVERSAL DEFINITIONS
- Chapter 17.142 — ADULT BUSINESS DEFINITIONS
- Chapter 17.144 — DENSITY BONUS DEFINITIONS
- Chapter 17.146 — HISTORIC RESOURCES DEFINITIONS
- Chapter 17.148 — CANNABIS DEFINITIONS
- Chapter 17.150 — SIGN DEFINITIONS
- Chapter 17.152 — WIRELESS COMMUNICATIONS DEFINITIONS
- Chapter 17.154 — FORM-BASED CODE DEFINITIONS