Fence Regulations in Napa, CA (2026)
5 verified fence regulations for Napa, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Height Limits
City of Napa Municipal Code Section 17.52.170 regulates fences, walls, and hedges. Fences in residential side and rear yards are typically allowed up to 6 feet; fences over 6 feet require a building permit. Fences, walls, or dense hedges in the vision triangle at intersections and driveways cannot exceed 2 feet (or 3 feet if at least 50 percent open).
Napa, CA Fence Height Limits (NMC 17.52.170)
Some RestrictionsPermit Requirements
Fences 6 feet or less in Napa generally do not need a building permit, but any fence over 6 feet in height must obtain a building permit under the California Building Code as adopted in Title 15 of the Napa Municipal Code. Planning Division review under NMC 17.52.170 still applies for height, vision triangle, and overlay districts.
Napa, CA Fence Permit Requirements
Some RestrictionsNeighbor Fence Rules
Napa's Municipal Code does not require neighbor consent to build a fence. Boundary fence cost-sharing follows California Civil Code Section 841 — the Good Neighbor Fence Act — which presumes adjoining owners share equally in reasonable costs of construction and maintenance of a fence on the common boundary.
Napa, CA Fence Neighbor Rules — California Good Neighbor Fence Act
Few RestrictionsCal. Civ. Code Section 841 (Good Neighbor Fence Act)
Adjoining landowners shall share equally in the responsibility for maintaining the boundaries and monuments between them. 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, maintenance, or n...
Pool Barriers
Pool barriers in Napa follow California Health and Safety Code Sections 115921-115929 (the Swimming Pool Safety Act, as amended Jan 1, 2018) and California Building Code Section 3109. New or remodeled pools at single-family homes must have at least two of seven approved drowning-prevention safety features, and any pool enclosure must be at least 60 inches tall.
Napa, CA Pool Barrier & Fence Requirements (CA H&S 115921+)
Heavy RestrictionsCal. Health & Safety Code Section 115920 (Swimming Pool Safety Act)
ARTICLE 2.5. The Swimming Pool Safety Act [115920 - 115929] (Article 2.5 added by Stats. 1996, Ch. 925, Sec. 3.5.) 115920. This act shall be known and may be cited as the Swimming Pool Safety Act. (Added by Stats. 1996, Ch. 925, Sec. 3.5. Effective January 1, 1997.)
Approved Materials
Napa Municipal Code 17.52.170 governs fence height and visibility but does not impose a closed list of allowed residential fence materials. Wood, vinyl, ornamental metal, masonry, and chain link are all permitted subject to height, vision triangle, and overlay district rules. Barbed and razor wire are restricted to non-residential and agricultural uses.
Napa, CA Fence Material Standards
Few RestrictionsLooking for Napa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Napa city rules.
Fence Regulations in Napa County →