Neighbor Fence Rules: Anza vs Riverside

California Civil Code §841 (the Good Neighbor Fence Act) governs partition fences between adjoining properties in unincorporated Riverside County. Both neighbors are presumed to share equally the cost of a reasonable boundary fence. The party wishing to build must give 30 days' written notice describing the fence and costs before proceeding.

California Civil Code §841 presumes that fences on a property line are shared between neighbors, with costs and maintenance split equally absent agreement otherwise. The neighbor proposing work must give 30 days' written notice including estimated costs before building or replacing a boundary fence.