First Notice of Loss (FNOL)
The initial report a policyholder makes to their insurer that a covered loss has occurred, the event that officially starts the claims process and the clock on several policy deadlines, including the later, more formal [[concept-proof-of-loss|proof of loss]].
Why it matters
FNOL is often the very first moment a restoration company, an adjuster, or an emergency services crew learns a loss happened at all, so how quickly and accurately that initial report gets relayed can directly affect how fast mitigation starts and how much additional damage occurs before help arrives.
On a real project
A homeowner calls their insurer immediately after discovering a burst pipe, giving a brief description of the damage over the phone. That call becomes the claim's official first notice of loss, starting the timeline the rest of the process runs on.
Who this matters most to
An Insurance Adjuster is typically assigned to a claim right after FNOL is filed, before ever seeing the property in person. A Restoration Project Manager often gets dispatched based on FNOL details alone, well before a full inspection or scope of loss exists.
Where this goes wrong
A policyholder delays calling their insurer for several days after a leak starts, not realizing that FNOL timing itself can matter to the claim, since many policies require prompt notice of a loss. By the time the claim is filed, both the physical damage and the insurer's willingness to fully cover it have gotten worse than a same-day report would have produced.