Fence Regulations in Downey, CA (2026)
5 verified fence regulations for Downey, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Height Limits
Residential fences in Downey top out at 42 inches in front and street-side setbacks, dropping to 30 inches within the corner cutback, and rise to seven feet on interior side and rear lines under Municipal Code Section 9520.08(l). Corner lots also carry a five-foot triangular setback for any fence over 42 inches near a driveway or alley.
Downey Fence Height Limits by Zone
Some RestrictionsDowney, CA, Municipal Code § 9520.08(l)(1) (General Wall, Fence, and Hedge Regulations, Height by Zone)
(1) In all residential zones, walls, fences and hedges shall not exceed a height of: (i) 42 inches in the front and street side setback area, except within the corner cutback (see Figure 9.5.10, Street Side Lot) where the maximum height is 30 inches. In addition, on a street side yard, walls or fences not exceeding seven feet in height may be constructed not less than three feet from the side s...
Fence Permit Requirements
Downey requires a building permit before constructing most walls and fences under Municipal Code Section 8999.28(a). The only fence-specific exemption is for walls or fences up to 42 inches high; anything taller needs Building Official approval before work begins, alongside separate zoning limits on where and how tall a fence can be.
Downey Fence Permit Requirement
Some RestrictionsDowney, CA, Municipal Code § 8999.28(a),(b)(1)(ii) (Permits)
(a) Required. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by the codes, or to cause any such work to be done, shall first make ap...
Neighbor Fence Rules
California's Good Neighbor Fence Act (Civil Code 841) requires neighbors to share costs of boundary fences equally. Spite fences over 10 ft are a private nuisance under Civil Code 841.4.
Downey Neighbor Fence Rules
Some RestrictionsCal. Civil Code Sec. 841 (Good Neighbor Fence Act - Shared Boundary Fence Costs)
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, ...
Retaining Walls
Downey exempts retaining walls up to four feet tall, measured from the bottom of the footing to the top of the wall, from a building permit under the city's Administrative Building and Housing Code. Taller walls, and any wall supporting a surcharge or impounding Class I, II or IIIA liquids regardless of height, need a permit and Building Official review before construction starts.
Downey Retaining Wall Height & Permit Rules
Some RestrictionsDowney, CA, Municipal Code § 8999.28(a), (b)(1)(iv)
(a) Required. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert or replace any electrical, gas, mechanical or plumbing system, the installation of which is regulated by the codes, or to cause any such work to be done, shall first make ap...
Material Restrictions
Downey bans barbed wire, razor wire, and electrified fencing in every zone under Municipal Code Section 9520.08(c), with a narrow exception for barbed wire used for security in the M-1 and M-2 manufacturing zones when it cannot be seen from the public right-of-way. Chain-link fencing is separately banned from any front or street side yard in residential, commercial, and mixed-use zones.
Downey Barbed Wire and Chain-Link Fence Ban
Heavy RestrictionsDowney, CA, Municipal Code § 9520.08(c) (General Wall, Fence, and Hedge Regulations, Prohibited Walls and Fences)
(c) Prohibited Walls and Fences. (1) No barbed wire, razor or electrified fencing, or similar fencing is permitted in any zone, except that barbed wire may be used on a limited basis for security or safety purposes in the M-1 and M-2 Zones if not visible from any public right-of-way, subject to the approval of Site Plan Review. (2) Chain-link fencing shall be prohibited in any front or street s...
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