Which Records Can Show Each Part of a Claim
Each of the four parts rests on proof, and in wildfire cases much of that proof sits in records. For a family, this means the strength of a claim often depends less on what they remember than on what can be documented.
For duty and breach, the records that can show what a party knew and did before the fire include official fire investigation reports and the records of the agency that responded, often CAL FIRE. Where equipment or infrastructure is involved, inspection logs, maintenance histories and vegetation-management records for the property or equipment near where the fire began also tend to matter. These records are usually held by others, not by the family, so their absence from a family's own files does not mean they do not exist.
For causation, the central document is usually the official origin-and-cause report, which records where and how investigators found the fire began. If that report is unreleased or incomplete, the link between a party and the fire may remain an open question for a time. Medical records matter where someone was hurt; they show when treatment began and what injuries the treating providers recorded, and gaps in them can make it harder to tie an injury to the fire. For homes and land, property damage documentation helps connect the fire's path to the specific loss.
For damages, the records that usually matter include medical bills, pay stubs, tax returns or employer letters showing lost income, and inventories of what was destroyed. Photographs and video help too, especially images of the property before the fire, along with what remains afterward. Families often find older photos on phones, in cloud accounts or with relatives, and those images can help show what a home held when receipts are gone.
If you lost your home, many of these records may have burned with it. That is a common situation after a wildfire. Copies held by banks, doctors, employers, insurers and government offices can often fill part of the gap.