Building Safety in Rancho Cucamonga, CA (2026)
5 verified building safety rules for Rancho Cucamonga, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Lead Paint
Rancho Cucamonga follows federal EPA RRP rules and California H and S 17920.10 treating deteriorated lead paint as a substandard housing condition. Pre-1978 homes are presumed to contain lead paint.
Lead Paint Rules in Rancho Cucamonga
Some RestrictionsCalifornia Health and Safety Code Section 17920.10 (Lead Hazards)
17920.10. (a) Any building or portion thereof including any dwelling unit, guestroom, or suite of rooms, or portion thereof, or the premises on which it is located, is deemed to be in violation of this part as to any portion that contains lead hazards. For purposes of this part, "lead hazards" means deteriorated lead-based paint, lead-contaminated dust, lead-contaminated soil, or disturbing lea...
Green Building Code
Rancho Cucamonga layers a local green building implementation ordinance on top of the state CalGreen code, requiring new nonresidential and residential buildings, and substantial renovations, to meet a city-maintained Green Building Compliance Matrix, with priority processing and design-standard reductions for projects that exceed CalGreen tiers.
Rancho Cucamonga Green Building Code Rules
Some RestrictionsRancho Cucamonga Municipal Code §§ 17.50.010, 17.50.020, 17.50.030
The purpose of this chapter is to implement the sustainable planning and design provisions of the city general plan... Nonresidential (including mixed-use) development. New buildings, or substantial renovations..., shall comply with all mandatory provisions of the "City of Rancho Cucamonga, Green Building Compliance Matrix (Nonresidential)" as maintained by the planning director and as required...
Building Permits
Rancho Cucamonga makes it unlawful to erect, construct, alter or maintain any building, structure or regulated system without the required permit under Building Code section 114.1 as locally amended. The city exempts fences up to 6 feet (or 3-foot masonry walls) from permitting under section 105.2.
Rancho Cucamonga Building Permit Requirements
Some RestrictionsRancho Cucamonga, CA, Municipal Code §§ 15.12.010, 15.12.030 (amending Building Code §§ [A]105.2, [A]114.1, [A]114.3)
[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... Section [A]105.2 of the Building Code is hereby amended by amending ...
Electrical Permits
Rancho Cucamonga adopts the 2025 California Electrical Code, based on the 2026 National Electrical Code, and requires anyone pulling an electrical permit to hold a valid California Contractor's License in the correct classification, with a narrow owner-builder exception.
Rancho Cucamonga Electrical Permit Rules
Some RestrictionsRancho Cucamonga Municipal Code § 15.24.010 (Section 89.108.4.5)
89.108.4.5 Qualification of permittee. No person shall be issued a permit under this Chapter until a valid California Contractor's License of the correct classification is presented to the Building Official. Exception: Owner-builder permit may be issued for Group R, Division 3, or Group U occupancy with the approval of the Building Official.
Plumbing Permits
Rancho Cucamonga has adopted the 2025 California Plumbing Code, based on the Uniform Plumbing Code, by reference for all plumbing work in the city. Permit fees are set by City Council resolution rather than the code's own fee tables, which the city deleted outright.
Rancho Cucamonga Plumbing Permit Rules
Some RestrictionsRancho Cucamonga Municipal Code §§ 15.04.010, 15.20.020, 15.20.030
104.5 Fees. The fee for each permit shall be as established by Resolution of the City Council. ... Table 104.5 is hereby deleted. ... The 2025 California Plumbing Code, incorporating the "Uniform Plumbing Code," 2024 Edition, including all appendices thereto ... are hereby adopted by reference in their entirety and amended in Chapters 15.04, 15.12, 15.14, 15.16, 15.20, 15.24, 15.26, 15.28, 15.3...
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rancho Cucamonga city rules.
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