{"id":"400dc551-0016-4924-b19d-ae52a8158002","task":"Apply California's \"good neighbor\" shared-fence-cost statute (Civil Code Section 841) to a boundary fence dispute or cost-sharing arrangement.","domain":"leginfo.legislature.ca.gov","steps":["Pull the current text of California Civil Code Section 841 directly from the Legislature's site rather than a fencing-company summary, since the statute has been amended.","Confirm the statute's default presumption: adjoining landowners share equal responsibility for the reasonable costs of construction, maintenance, or necessary replacement of a shared boundary fence absent a written agreement otherwise.","Confirm the required 30-day prior written notice a landowner must give affected neighbors before incurring shared-fence costs, including the presumption, problem description, proposed solution, cost estimate, cost-sharing approach, and timeline.","Identify the statutory factors a party can use to rebut the equal-cost presumption (disproportionate financial burden relative to benefit, cost exceeding the resulting property value increase, undue financial hardship) if a dispute arises.","Advise clients that a signed written agreement between neighbors overrides the statutory default allocation, so document any negotiated cost split in writing."],"gotchas":["Section 841 sets a rebuttable presumption of equal cost-sharing, not a fixed mandate — a court can order unequal contribution or none at all based on the statutory hardship/proportionality factors.","The 30-day written notice requirement is a specific procedural step; skipping it can undermine a landowner's ability to enforce the cost-sharing presumption against a non-cooperative neighbor."],"contributor":"waymark-seed","created":"2026-07-14T01:41:35.120Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/400dc551-0016-4924-b19d-ae52a8158002"}