Fence Regulations in Simi Valley, CA (2026)
6 verified fence regulations for Simi Valley, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Height Limits
Simi Valley's zoning code limits residential fence heights to 6 feet in side and rear yards and 3 feet in front yard setback areas. Taller fences may be approved through a variance or modification process.
Simi Valley Fence Height Limits
Some RestrictionsPermit Requirements
Most residential fences under 6 feet in Simi Valley do not require a building permit. Permits are required for fences over 6 feet, masonry or concrete walls, and fences with electrical components such as automated gates.
Simi Valley Fence Permit Requirements
Few RestrictionsNeighbor Fence Rules
California's Good Neighbor Fence Act (Civil Code 841) applies in Simi Valley, requiring adjacent property owners to share equally in the cost of maintaining boundary fences. The city does not mediate private fence disputes but enforces code compliance.
Simi Valley Fence Neighbor Dispute Rules
Few RestrictionsCalifornia Civil Code Section 841
(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, maint...
Retaining Walls
Simi Valley requires building permits for retaining walls over 4 feet in height and engineering for walls supporting surcharges. Retaining walls are common in the city's hillside areas and must meet structural and drainage standards.
Simi Valley Retaining Wall Regulations
Some RestrictionsPool Barriers
Simi Valley enforces California Building Code pool barrier requirements mandating fences or walls at least 5 feet tall with self-closing, self-latching gates around all residential swimming pools, spas, and hot tubs.
Simi Valley Swimming Pool Barrier Requirements
Heavy RestrictionsMaterial Restrictions
Simi Valley allows a range of fence materials including wood, vinyl, wrought iron, chain link, and masonry in residential zones. Barbed wire and razor wire are prohibited in residential areas, and some HOAs impose additional material restrictions.
Simi Valley Fence Material Standards
Few RestrictionsLooking for Ventura County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Simi Valley city rules.
Fence Regulations in Ventura County →