When Can a New York Insurer Apply a Hurricane or Windstorm Deductible to My Claim?
Only when the storm meets the trigger written into your policy, and only if the insurer gave the required notice. New York Insurance Law § 3445 governs windstorm insurance notices and deductible trigger standards for personal lines property policies. A windstorm, hurricane, or named-storm deductible is a percentage of your dwelling coverage — commonly 1 to 5 percent — instead of a flat dollar amount, and it applies only when a defined event occurs (for example, a National Weather Service hurricane warning for the area, or sustained winds at a stated speed). If the storm does not meet the policy's trigger, your ordinary flat deductible applies instead. Read the trigger language before accepting a deductible the carrier applies to your claim.
Key Points
- Percentage deductibles are calculated on the Coverage A dwelling limit, not on the amount of the loss.
- On a $600,000 dwelling limit, a 5 percent hurricane deductible is $30,000 — a decisive amount on most claims.
- The deductible applies only when the storm satisfies the trigger defined in the policy.
- New York requires disclosure of hurricane deductible terms to personal lines policyholders; DFS has adopted uniform hurricane deductible standards under 11 NYCRR Part 74 (Regulation 159).
- Wind damage and flood damage are separate perils with separate deductibles — and flood is usually not covered by the homeowners policy at all.
- Misapplication of a percentage deductible is one of the most common quiet underpayments we find on Long Island storm claims.
The three questions on every storm deductible
First: which deductible did the carrier apply, and where in the policy is it? The declarations page will show a flat all-peril deductible and, separately, a windstorm or hurricane percentage. Second: did the named event actually satisfy the trigger? A tropical storm that never generated a hurricane warning for Nassau or Suffolk often does not trigger a hurricane deductible. Third: what is the base amount? The percentage runs off the dwelling limit, so verify the limit the carrier used.
Getting the trigger question right can change a settlement by tens of thousands of dollars, and it is decided by documents — storm data and policy language — not by argument.
Wind versus flood on the same loss
Coastal Long Island losses often involve both wind and water. The homeowners policy generally responds to wind and wind-driven rain that enters through a storm-created opening, while rising water, storm surge, and coastal flooding fall to a flood policy under the NFIP or a private flood program. Carriers sometimes assign damage to the uncovered peril when the cause is genuinely mixed.
That allocation is why storm claims need documentation at the time of loss: wind-created openings, roof and siding damage, and interior water paths photographed before repairs. See our storm damage and flood damage pages for how we handle it.
Official text and citation
This page is a plain-English summary written for policyholders. The controlling language is the official text of New York Insurance Law § 3445, and your own policy governs your claim. Nothing here is legal advice.
Read Insurance Law § 3445 (official text)Windstorm Deductible Triggers: Frequently Asked Questions
Common questions New York policyholders ask about this rule.