Fence Regulations in Simi Valley, CA (2026)
5 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 Municipal Code Section 9-30.050 limits residential fences to roughly 42 inches in the front yard and 6 feet in side and rear yards, measured from the highest adjacent grade. Walls/fences up to 8 feet are allowed along arterial streets or where a property abuts a commercial/industrial zone.
Front yard 42 in; side/rear 6 ft (SVMC 9-30.050)
Light RestrictionsCity of Simi Valley, Environmental Services Planning Division - Home Improvements and Custom Homes / Planning Division FAQ, citing SVMC Section 9-30.050
First, ensure your proposed fence or wall meets the City standards for location, type, and height by reviewing the Residential Fences and Walls Exhibit and SVMC Section 9-30.050 "Height and Location Requirements for Fences, Walls, and Hedges." Property line fences and walls outside of the front setback may not exceed six feet in height as measured from the highest adjacent grade. If your yard i...
Fence Permit Requirements
Simi Valley requires a Zoning Clearance from the Planning Division before installing, altering, or replacing a property line wall or fence. A Building Permit is generally not required for standard residential fences at or under 6 feet, but is required for garden walls over 6 feet, retaining walls, and any fence over 24 inches in a Traffic Safety Sight Area.
Zoning Clearance required; Building Permit if over 6 ft
Some RestrictionsCity of Simi Valley, Environmental Services Planning Division - Home Improvements and Custom Homes (Fences and Walls), citing SVMC Section 9-30.050 and Title 8
First, ensure your proposed fence or wall meets the City standards for location, type, and height by reviewing the Residential Fences and Walls Exhibit and SVMC Section 9-30.050 "Height and Location Requirements for Fences, Walls, and Hedges." Next, prepare a plot plan (refer to Sample Plot Plan and Minimum Setbacks) showing the location, type, and height of the proposed wall or fence, and subm...
Neighbor 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
Some 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 lets homeowners build a retaining wall up to four feet tall, measured footing to top, without a building permit under Section 8-5.03(a)(5), unless it holds back a surcharge or hazardous liquids. Zoning rules separately cap any retaining wall in a front or street-facing side setback at 36 inches.
Simi Valley Retaining Wall Height and Permit Rules
Some RestrictionsSimi Valley Municipal Code §§ 8-5.03(a)(5), 9-30.050(A)(2)(c)
(a)A building permit shall not be required for the following: ... (5)Retaining walls which are not over four (4) feet (1,219 mm) in height measured from the bottom of the footing to the top of the wall, unless supporting a surcharge or impounding Class I, II or III-A Liquids. c.Retaining walls within the front or street facing side setback may not exceed 36 inches in height. No other garden or ...
Material Restrictions
Simi Valley does not allow chain-link residential fences pursuant to SVMC Section 9-30.030.A.6.e. Other materials (wood, vinyl, masonry block, wrought iron, stucco) are reviewed by the Planning Division for compatibility with neighborhood character and are subject to the height and location rules in SVMC 9-30.050.
Chain-link prohibited; materials reviewed by Planning
Some RestrictionsCalifornia Civil Code Section 841(a)-(b)
(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...
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