Rancho Cucamonga, CA Fence Regulations: Fence Permit Requirements (2026)
Key Facts
- Governing section
- Development Code § 17.48.020
- Default rule
- Site development review required for new fences/walls
- Retaining wall exemption
- Under 36 inches in height
- Residential exemption
- If compliant with §17.48.030 standards
- Government-required fencing
- Exempt entirely
Summary
New fences and walls in Rancho Cucamonga require site development review under Development Code Section 17.48.020, but residential fences and walls that meet the height and location standards in Section 17.48.030, retaining walls under 36 inches, and government-required fencing are exempt from that planning entitlement.
Unless otherwise exempt below, site development review [see section 17.16.100 (Site Development Review)] is required for new fences and walls. Fences and walls listed below are exempt from planning entitlements but may still require building permits. A. Retaining walls. Retaining walls less than 36 inches in height are exempt from the requirements of this chapter except for terraced walls as required in section 17.122.030 (Hillside Development). B. Residential fences and walls. Fences and walls located on residential property constructed in compliance with the requirements of section 17.48.030 (Location and Height Requirements). C. Required fences and walls. The requirements of this chapter shall not apply to a fence or wall required by any law or regulation of the city ... county, state, or federal government.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4999536; v21 updated 2026-07-15).
Full Breakdown
" It then lists three categories of exempt fences and walls, which are excused from planning entitlements but may still need a building permit. 030 for hillside development. 030. Third, any fence or wall required by city, county, state, or federal law or regulation, including temporary construction site fencing, is exempt from the chapter's requirements entirely. 030, most homeowners never file a discretionary application; they instead go straight to the building division if a permit is needed for the wall's construction. 100 before construction. 010, is to regulate fence height and location for light, air, and privacy without blocking views or connectivity, to buffer differing land uses, and to protect visibility at street and driveway intersections.
Violations & Fines
Building a fence or wall that exceeds the exempt categories, such as a commercial screening wall or a residential fence that violates the height table, without first obtaining site development review approval exposes the property owner to a stop-work order and required removal or modification of the noncompliant structure. Code enforcement can also cite a property for a fence built without a required building permit under the California Building Code.
Frequently Asked Questions
Do I need city approval to build a fence in Rancho Cucamonga?
Are short retaining walls exempt from fence permit review?
What kind of fence never needs planning review?
Sources & Official References
Other rules in Rancho Cucamonga
California rules heatmap·Compare Rancho Cucamonga to another location·View the California fence regulations overview
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Fence Permit Requirements in Nearby Cities
How other cities in San Bernardino County handle fence permit requirements.