CA Civil Code 841 (Good Neighbor Fence Act) presumes equal cost-sharing between adjoining owners for boundary fences. Written 30-day notice is required. Hayward enforces local setbacks.
California Civil Code Section 841 (the Good Neighbor Fence Act, revised 2013) creates a rebuttable presumption that adjoining landowners share equally in the reasonable costs of constructing, maintaining, or replacing a boundary fence that serves both properties. Before work, the initiating owner must give at least 30 days written notice describing the problem, proposed solution, estimated cost, proposed sharing, and timeline. Neighbors may rebut equal sharing by showing unequal benefit, financial hardship, or other factors. Hayward does not regulate cost-sharing but enforces zoning setbacks (typically on property line) and construction standards. Disputes over property lines often require a licensed surveyor.
Contact your local code enforcement office for specific penalty information.
See how other cities in Alameda County handle neighbor fence rules.
See how Hayward's neighbor fence rules rules stack up against other locations.
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