6 county-level rules, plus city-specific rules for 6 cities in Alameda County, California.
Verified from official government sources
Alameda County requires a building permit for fences over 7 feet tall in unincorporated areas. Fences under 7 feet generally do not need a permit but must comply with zoning height and setback limits.
Under California Civil Code 841 (Good Neighbor Fence Act), adjoining landowners in Alameda County share equal responsibility for reasonable costs of shared boundary fences unless one party shows the cost would be unjust.
California Civil Code § 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...
Retaining walls over 4 feet in height (measured from bottom of footing to top) require a building permit and engineered plans in unincorporated Alameda County under the California Building Code.
CA Health and Safety Code 115920 requires pool enclosures at least 60 inches (5 feet) tall with self-closing, self-latching gates around residential pools and spas in Alameda County.
California Health & Safety Code § 115923 (Swimming Pool Safety Act)
An enclosure shall have all of the following characteristics: (a) Any access gates through the enclosure open away from the swimming pool, and are self-closing with a self-latching device placed no lower than 60 inches above the ground. (b) A minimum height of 60 inches. (c) A maximum vertical clearance from the ground to the bottom of the enclosure of two inches. (d) Gaps or voids, if any, do ...
Alameda County Zoning Ordinance generally limits residential front yard fences to 3-4 feet and side or rear yard fences to 6-7 feet, with clear-vision triangles required at driveways and intersections.
Alameda County prohibits barbed wire, razor wire, and electrified fences in residential zones. Chain link may be restricted in front yards in some areas, and hazardous materials are banned countywide.
6 cities in Alameda County have their own fence regulations rules. Each link goes to that city's dedicated page with code citations.
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
7 verified rules • Fence Requirements, Height Limits
6 verified rules • Fence Requirements, Height Limits
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