8 county-level rules, plus city-specific rules for 8 cities in Riverside County, California.
Verified from official government sources
Riverside County's zoning ordinance (No. 348) does not set a countywide maximum fence height for unincorporated areas. Instead, fence height in residential areas is shaped by building-permit thresholds: fences over 7 feet require a permit, and the County's design standards target 5-to-6-foot perimeter walls for new homes.
In unincorporated Riverside County, a building permit is required for fences over 7 feet tall and for block (masonry) walls over 3 feet from grade. Shorter fences and walls are exempt. Retaining walls over 4 feet generally require a permit under the California Building Code.
Riverside County's zoning ordinance does not govern cost-sharing for boundary fences. California Civil Code Section 841 (the Good Neighbor Fence Act) controls: adjoining landowners are presumed equally responsible for a shared boundary fence, and a 30-day written notice is required before incurring shared costs.
California Civil Code Section 841 (Chapter 2. Obligations of Owners - Good Neighbor Fence Act)
(a) Adjoining landowners shall share equally in the responsibility for maintaining the boundaries and monuments between them. (b)(1) Adjoining landowners are presumed to share an equal benefit from any fence dividing their properties and, unless otherwise agreed to by the parties in a written agreement, shall be presumed to be equally responsible for the reasonable costs of construction, mainte...
In unincorporated Riverside County, retaining walls over 4 feet (measured from the bottom of the footing to the top of the wall) require a building permit under the California Building Code. Block walls over 3 feet from grade also require a permit, and walls over 6 feet generally need an engineered design.
Riverside County enforces California Building Code Chapter 31A and California Health & Safety Code §§115920-115929 for swimming pool barriers. Pools must be enclosed by a 60-inch (5-foot) fence with self-closing, self-latching gates, and new construction must provide at least two drowning-prevention safety features from the statutory list.
California Health and Safety Code Section 115922 (Article 2.5. The Swimming Pool Safety Act)
(a) Except as provided in Section 115925, subject to subdivision (b), and consistent with Section 1596.814, when a building permit is issued for the construction of a new swimming pool or spa or the remodeling of an existing swimming pool or spa at a private single-family home, the respective swimming pool or spa shall be equipped with at least two of the following seven drowning prevention saf...
Riverside County requires no specific zoning fence permit for fences under 7 feet, but the Countywide Design Standards direct that new homes on lots under 20,000 sq ft include 5-to-6-foot masonry rear and side perimeter walls. Pool barriers and fences in highway rights of way have separate state and county rules.
Riverside County Ordinance No. 348, Section 18.49, prohibits fences built of garage doors, tires, pallets, or other materials not typically used for fence construction. The ordinance sets material standards rather than a height cap, and the Countywide Design Standards favor masonry perimeter walls for new homes.
Common fencing materials - wood, vinyl, masonry block, and metal - are permitted in unincorporated Riverside County, subject only to Ordinance No. 348 Section 18.49's ban on improvised materials. The Countywide Design Standards favor masonry block for new-home perimeter walls.
8 cities in Riverside County have their own fence regulations rules. Each link goes to that city's dedicated page with code citations.
8 verified rules • Fence Requirements, Height Limits
7 verified rules • Fence Requirements, Height Limits
7 verified rules • Fence Requirements, Height Limits
7 verified rules • Fence Requirements, Height Limits
7 verified rules • Fence Requirements, Height Limits
6 verified rules • Height Limits, Approved Materials
6 verified rules • Height Limits, Approved Materials
7 verified rules • Fence Requirements, Height Limits
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