我就是給你個鏈接，具體如何操作，自己去看吧。實在不行找個律師聊一聊。你這個問題，幸虧法律在你這一邊，但是人家不理你，你不下本錢是討不來錢的。
https://schorr-law.com/property-line-fence-rules-california/
- Shared Responsibility: Under the Good Neighbor Fence Law California, adjoining property owners are presumed to equally share the cost of constructing and maintaining a boundary fence.
- Written Notice Requirement: The California Good Neighbor Fence Law requires a 30-day written notice before building or repairing a good neighbor fence, outlining project details and expenses.
- Disputes Over Costs: If a neighbor can prove the fence does not benefit their property, they may contest their share under California fence law provisions.
- ....
