Section [A]113.1 of Chapter 1, Division II is hereby amended to read as follows:
[A]113.1 General.
In order to hear and decide appeals of orders, decisions or determination made by the Building Official relative to the application and interpretation of this code, there shall be and is hereby created a Board of Appeals consisting of 3 members and 2 alternates who are qualified by experience and training to pass on matters pertaining to building construction and who are not employees of the jurisdiction. The Building Official shall be an ex officio member of and shall act as Secretary to said Board but shall have no vote on any matter before the Board. The Board shall adopt rules of procedure for conducting its business and shall render all decisions and findings in writing to the appellant with a duplicate copy to the Building Official.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
[A]114.1 Unlawful acts. It shall be unlawful for any person, firm or corporation to erect, construct, alter, extend, repair, move, remove, demolish, occupy or maintain any building, structure or equipment regulated by this code, or cause same to be done, in conflict with or in violation of any of the provisions of this code.
[A]114.2 Notice of violation. The Building Official is authorized to serve a notice of violation or order on the person responsible for the erection, construction, alteration, extension, repair, moving removal demolition, maintaining or occupancy of a building or structure in violation of the provisions of this code, or in violation of a permit or certificate issued under the provisions of this code. Such order shall direct the discontinuance of the illegal action or condition and the abatement of the violation.
[A]114.3 Unpermitted structures or systems. No person shall own, use, occupy, or maintain an unpermitted structure or system. For purposes of this chapter, "unpermitted structure or system" shall be defined as any building or structure, electrical system, plumbing system, or mechanical system, or any portion thereof, that was erected, constructed, enlarged, altered, repaired, moved, improved, removed, connected, converted, demolished, or equipped, at any point in time, by any person, without the required permit(s) having first been obtained from the Building Official or with a valid permit as issued by the Building Official which subsequently expired and became null-and-void.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Amendments to Section 903 shall be those amendments adopted by the City and/or the Rancho Cucamonga Fire Protection District for Section 903 of the 2025 California Fire Code — Automatic Sprinkler Systems, all of which are incorporated by reference herein.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Table 1505.1 is hereby amended to read as follows:
Table 1505.1
Minimum Roof Covering Classification for different types of construction for new buildings, re-roofs or additions.
IA
IB
IIA
IIB
IIIA
IIIB
IV
VA
VB
A
A
A
A
A
A
B*
B*
B*
*See Section 1505.1.1 for Class A Roof Coverings in Very-High Fire Hazard Severity
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section 1609.3 is hereby amended by adding a sentence at the end of the section to read as follows:
The basic wind speed used in the City is 96 miles per hour and Vasd is 75 miles per hour with Exposure C as described in Section 1609.4.3 shall be used.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section 1803.5.11 is hereby amended by adding a sentence at the end of the section to read as follows:
The geotechnical investigation shall be conducted for all new structures or additions to existing buildings where the addition is more than 50% of the existing floor area. Any geotechnical reports that are more than 3 years old shall be required to submit an updated geotechnical report.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section 3109.3 is hereby added to read as follows:
3109.3 There shall be three (3) drowning protection measures provided for the construction of a new or the remodel of an existing pool or spa. First required measure: An enclosure that meets the requirements of Section 115923 of the California Swimming Pool Safety Act and isolates the swimming pool or spa from the private single-family home. The second and third required drowning protection measures shall be two (2) of the remaining six (6) measures listed in Section 115922 of the California Swimming Pool Safety Act.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section 107.3.4 is hereby amended by amending the first two sentences to read as follows:
It is required that documents be prepared by a registered design professional for all commercial and industrial applications. The building official requires the owner or the owner's authorized agent to engage and designate on the building permit application a registered design professional or a California State licensed contractor who shall act as the registered design professional in responsible charge.
(Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J101.1 is hereby amended to read as follows:
J101.1 Scope. The provisions of this chapter apply to grading, excavation and earthwork construction, including fills and embankments. Where conflicts occur between the technical requirements of this chapter and the geotechnical report, the geotechnical report shall govern. In addition, the designs of the work as described above need to meet the recognized and accepted civil and geotechnical engineering practices and principles.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J101.3 is hereby added to read as follows:
J101.3 Special requirements for hazardous conditions.
Whenever the Building Official determines that any existing excavation or embankment or fill on private property has become a hazard to life and limb, or endangers property, or adversely affects the safety, use or stability of a public way or drainage channel, the owner of the property upon which the excavation or fill is located, or other person or agent in control of said property, upon receipt of notice in writing from the Building Official, shall within the period specified therein repair or eliminate such excavation or embankment to eliminate the hazard and to be in conformance with the requirements of this code.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J103.2 is hereby amended to read as follows:
J103.2 Exemptions:
A grading permit is not required for the following:
1. 
When approved by the Building Official, grading in an isolated, self-contained area if there is no danger to private or public property.
2. 
An excavation below finished grade for basements and footings of a building, retaining wall or other structure authorized by a valid building permit. This shall not exempt any fill made with the material from such excavation or exempt any excavation having an unsupported height greater than 5 feet (1,524 mm) after the completion of such structure.
3. 
Cemetery graves.
4. 
Refuse disposal sites controlled by other regulations.
5. 
Excavations for wells or tunnels or utilities.
6. 
Mining, quarrying, excavating, processing or stockpiling of rock, sand, gravel, aggregate or clay where established and provided for by law, provided such operations do not affect the lateral support or increase the stresses in or pressure upon any adjacent or contiguous property.
7. 
Exploratory excavations under the direction of soil engineers or engineering geologists.
8. 
An excavation that (1) is less than 2 feet (610 mm) in depth or (2) does not create a cut slope greater than 5 feet (1,524 mm) in height and steeper than 1 unit vertical in 2 units horizontal.
9. 
A fill less than 1 foot (305 mm) in depth and placed on natural terrain with a slope flatter than 1 unit vertical in 5 units horizontal (20% slope), or a cut less than 3 feet (914 mm) in depth, not intended to support structures, or any soil work that does not disturb soil exceeding 50 cubic yards (38.3 m) on any one lot and does not obstruct a drainage course.
Exemption from the permit requirements of this Appendix shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this chapter or any other laws or ordinances of this jurisdiction.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Sections J104.5 and J104.6 are hereby added to read as follows:
J104.5 Plan Information. In addition to the requirements in Section J104.2, the permittee shall provide other technical information as required by the Building and Safety Department's handouts, policies and standards.
J104.6 As-built plans. The permittee shall provide a copy of as-built plans to the City for a permanent record at the end of the approved grading work.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J105.1 is hereby amended to read as follows:
J105.1 General. Inspections shall be governed by Section 110, Chapter 1, Division II of this code and other requirements established by approved policies and procedures of the Building and Safety Department. An engineer shall provide grading inspections and certifications for the work done at the site.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J109.4 is amended by adding the following to the end of the section as follows:
For Single Family Lot Drainage:
1. 
Whenever possible, drainage from single family lots shall flow directly to a street.
2. 
If it should be determined necessary to allow offsite drainage to flow through a single-family lot (to preserve down lot views, esthetics, accept flow from offsite property, etc.), the following shall apply:
a. 
Drainage from only one lot shall flow through only one other lot.
b. 
A drainage easement shall be provided/obtained over the lot accepting the drainage.
c. 
The drainage shall be contained within either a concrete/rock lined swale or reinforced concrete pipe.
d. 
The drainage facility shall be designed with excess capacity to account for the probable lack of necessary maintenance. Therefore, it shall be designed to convey two times the runoff from a 100-year storm with the minimum diameter for a pipe being 12 inches.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J110.3 is hereby added to read as follows:
J110.3 Temporary erosion control during grading work.
The permittee shall put into effect and maintain all precautionary measures necessary to protect adjacent watercourses and public or private property from damage by erosion, flooding, and deposition of mud or debris origination from the site during the grading operation regardless of lot size.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J112 is hereby added to read as follows:
Section J112 Protection of adjacent property.
J112.1 General. During grading operations, the permittee shall be responsible for the prevention of damage to adjacent property and no person shall excavate on land sufficiently close to the property line to endanger any adjoining public street, sidewalk, alley, or other public or private property without supporting and protecting such property from settling, cracking, or other damage which might result.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; Ord. No. 1048, 11/19/2025)
Section J113 is hereby added to read as follows:
Section J113 Dust control.
J113.1 General. The owner of the site or the project contractor shall put into effect and maintain all precautionary measures necessary to prevent dust blowing from the site to adjacent properties. Prior to the permit issuance, a dust control sign and required contact information as required by the department's policy shall be installed at the site.
(Ord. No. 899 § 4, 2016; Ord. No. 956 § 4, 2019; Ord. No. 1011 § 4, 2022; ; Ord. No. 1048, 11/19/2025)