Alameda, CA Fence Regulations: Neighbor Fence Rules (2026)

The City of Alameda's fence rules under AMC 30-5.14 are zoning provisions: they regulate height, see-through extensions, prohibited materials, and visibility zones within a lot's boundaries. They do not address who pays for a shared fence or resolve private boundary disputes; the code states barriers may be constructed "within the property boundaries of the individual lots." Cost-sharing and maintenance of a fence on a common boundary line are governed by California Civil Code Section 841, the Good Neighbor Fence Law, which applies statewide including in Alameda. Under Civil Code 841, adjoining landowners are presumed to share equally in the reasonable costs of construction, maintenance, and necessary replacement of a boundary fence, because they are presumed to benefit equally. A landowner who intends to incur such costs must give each affected adjoining owner 30 days' prior written notice describing the problem, the proposed solution, estimated cost, and cost-sharing approach. The equal-share presumption can be overcome by evidence that equal cost-sharing would be unjust (for example, disproportionate burden or hardship). For exact property lines, a licensed survey is recommended; the city does not adjudicate boundary location. Always confirm placement against the AMC 30-5.14 height limits before building on or near a property line.