Roof Deductible by State: Wind, Hail, and Hurricane Math

Quick answer

Most homeowners assume their roof claim deductible is the flat dollar number on the declarations page. In hail-belt and hurricane-belt states, that assumption is often wrong. Many policies in Texas, Oklahoma, Kansas, Colorado, Florida, Louisiana, Mississippi, Alabama, North Carolina, and South Carolina apply a separate, higher wind/hail deductible stated as a percentage of the dwelling coverage limit (commonly 1, 2, 3, or 5 percent), and several coastal states impose named-storm or hurricane deductibles that only trigger when the National Hurricane Center names the system. The math is the same in every case: dwelling Coverage A times the deductible percentage equals the homeowner's out-of-pocket before the carrier pays anything. On a Coverage A of any size, a percentage deductible can dwarf the flat all-other-perils deductible by an order of magnitude. Read your declarations page for the lines "wind/hail deductible," "hurricane deductible," "named storm deductible," and the percentage attached. State departments of insurance regulate the rules: the Texas Department of Insurance, Florida Office of Insurance Regulation, Louisiana Department of Insurance, North Carolina Department of Insurance, and the National Association of Insurance Commissioners all publish primary materials. For your specific damage and a likely settlement path, run our free Storm Damage Assessor.

The homeowner scenario this matters for

A homeowner in Fort Worth has a Coverage A on the dwelling at a meaningful six-figure number (the exact figure does not matter for the math). The declarations page lists an all-other-perils deductible on the order of a thousand dollars and a separate wind/hail deductible at 2 percent of Coverage A. A hail event causes a full-replacement loss. The homeowner expects to pay the thousand-dollar flat deductible. The settlement letter applies the 2 percent wind/hail deductible instead. The out-of-pocket is several times what the homeowner planned for, and the math was written on the declarations page the day the policy was bound.

The 2 percent line is not a trick. It is the standard endorsement in the hail belt and the hurricane belt. The mistake is reading the all-other-perils line on the declarations as if it applies to every loss. It does not.

The four deductible regimes you need to recognize

Every homeowners policy uses some combination of these. Read your declarations page for the exact language.

1. All-other-perils (AOP) deductible

The flat dollar deductible (commonly five hundred to two thousand five hundred dollars; specific number is on your declarations) that applies to fire, theft, falling objects, water damage, and other non-wind perils. This is the deductible most homeowners remember.

2. Wind/hail deductible (percentage)

A separate deductible that applies to wind and hail losses, stated as a percentage of the dwelling Coverage A limit. Common values are 1, 2, 3, or 5 percent. Some policies state a percentage with a minimum dollar floor or maximum dollar cap. The percentage is multiplied against Coverage A, not against the loss amount.

The hail belt (Texas, Oklahoma, Kansas, Colorado, Nebraska, Iowa, Missouri, parts of South Dakota and Minnesota) has standardized on percentage wind/hail deductibles for new business in most ZIP codes. The Texas Department of Insurance consumer guide documents the typical structure.

3. Named-storm deductible (percentage, trigger-defined)

A deductible that applies only when the National Hurricane Center officially names a storm. The trigger is the naming, not the windspeed. Florida policies routinely include this clause, codified through the Florida Office of Insurance Regulation. Coverage A times the named-storm percentage equals the deductible.

4. Hurricane deductible (percentage, hurricane-only trigger)

A narrower deductible that applies only when the storm is classified as a hurricane (Category 1 or above). Tropical storms and named non-hurricane systems fall back to the wind/hail or AOP deductible. North Carolina and South Carolina coastal policies commonly use this regime; rules are published at the North Carolina Department of Insurance and the South Carolina Department of Insurance.

State-by-state deductible patterns for major roof markets

This is a summary of the prevailing regime in each state's standard homeowners market. Always confirm at the state DOI; carriers file different forms and the surplus-lines market uses different rules. Coverage A times the percentage is the math; the specific number is on your declarations.

• Texas: Wind/hail deductible at 1 to 5 percent of Coverage A is standard in hail-prone ZIP codes statewide. Coastal counties carry a separate windstorm policy through the Texas Windstorm Insurance Association with its own deductible regime.
• Oklahoma: Wind/hail deductible at 1 to 5 percent of Coverage A is standard. Tornado damage falls under the wind clause. The Oklahoma Insurance Department publishes the consumer rules.
• Kansas, Nebraska, Iowa, Missouri: Wind/hail percentage deductibles are standard in hail-prone ZIP codes; the rest of the state may default to flat-dollar AOP.
• Colorado: Wind/hail percentage deductible at 1 to 5 percent is standard on the Front Range; the Colorado Division of Insurance maintains current rules.
• Florida: Hurricane deductible at 2, 5, or 10 percent of Coverage A is standard for hurricane losses; separate wind/hail deductible may apply to non-hurricane wind events. The Florida Office of Insurance Regulation publishes the deductible buy-down rules.
• Louisiana: Named-storm deductible at 2 to 5 percent of Coverage A is standard in coastal parishes; inland parishes default to flat-dollar AOP. Louisiana Department of Insurance publishes the catastrophe rules.
• Mississippi, Alabama: Hurricane or named-storm deductibles at 2 to 5 percent of Coverage A in coastal counties. Mississippi Insurance Department and Alabama Department of Insurance maintain current rules.
• North Carolina, South Carolina: Hurricane deductibles in coastal counties at 1 to 5 percent of Coverage A; non-hurricane wind defaults to AOP or a separate wind clause.
• New York, New Jersey, Connecticut, Massachusetts, Rhode Island, Maine, New Hampshire: Hurricane deductibles vary by carrier and county, commonly 1 to 5 percent of Coverage A in coastal ZIP codes. State DOIs publish the rules; the New York Department of Financial Services maintains a hurricane deductible guide for the state.
• California, Oregon, Washington: Wind/hail percentage deductibles are uncommon outside of specific high-wind ZIP codes; most policies use flat-dollar AOP for all perils.
• Minnesota: Wind/hail percentage deductibles are increasingly common in hail-prone ZIP codes following recent loss-ratio cycles; the Minnesota Department of Commerce publishes consumer materials.

The pattern: coastal states impose hurricane and named-storm percentage deductibles; hail-belt states impose wind/hail percentage deductibles; the rest of the country defaults to flat-dollar AOP. Read the cite for your state and the lines on your declarations page.

The math, step by step

The math is the same regardless of regime. Here is the procedure for any percentage deductible:

1. Find the Coverage A limit on your declarations page. This is the dwelling limit, not the policy limit. Coverage A is the structure; Coverage B is other structures; Coverage C is personal property; Coverage D is loss of use.
2. Find the deductible line that applies to the peril. Wind/hail, named-storm, or hurricane.
3. Multiply Coverage A by the deductible percentage. This is your out-of-pocket before the carrier pays anything.
4. Compare against the loss. If the loss is below the deductible, the carrier pays zero. If the loss is above the deductible, the carrier pays the loss minus the deductible, settled per the ACV-versus-RCV rules in your policy (see our ACV vs RCV Roof Insurance guide).
5. Confirm the trigger. Named-storm and hurricane deductibles only apply when the National Hurricane Center names the storm. Confirm the storm classification at the NHC website and at the NOAA Storm Events Database for the date of loss.

The trigger is where most disputes happen. A storm that is named after a roof loss has occurred is contestable on causation; a storm that is named before the loss falls clearly under the named-storm deductible. Document the timing.

How to lower your effective deductible

The deductible is negotiable at policy renewal, not at claim time. Three paths:

• Buy down the percentage. Many carriers offer a 1, 2, 3, or 5 percent menu. Lower percentage costs more premium but reduces out-of-pocket on a real loss. Run the math on the premium difference against the percentage-point difference times Coverage A.
• Buy a flat-dollar wind/hail option. Some carriers offer flat-dollar wind/hail as an endorsement (typically at meaningfully higher premium). The trade is predictable out-of-pocket against the higher annual cost.
• Move to a carrier with a different deductible structure. Carriers file different forms with the state DOI. Two carriers in the same ZIP code can offer materially different deductible regimes for similar premium. Shop the market at every renewal.

How impact-rated shingles and roof age interact with the deductible

Two separate variables can affect the deductible math.

• Impact-rated shingles (UL 2218 Class 4 rating) often qualify for a premium credit and, in some states, a wind/hail deductible reduction. The Insurance Institute for Business and Home Safety maintains the technical standards; the state DOIs determine whether the credit is mandatory or carrier-optional. Texas, Oklahoma, Colorado, and several other hail-belt states require some level of Class 4 credit.
• Roof age can move the deductible in either direction. Newer roofs often get premium credits and may qualify for lower wind/hail deductibles. Older roofs (above 15 or 20 years) often trigger a roof age schedule that converts settlement from RCV to ACV (see our ACV vs RCV Roof Insurance guide); the deductible may also increase under the same endorsement.

Document your roof's install date, materials, wind rating, and impact rating at every renewal. The documentation is what re-qualifies you for credits at renewal.

Common deductible mistakes that cost homeowners money

• Assuming the AOP deductible applies to every loss. It does not. Read every deductible line on the declarations page.
• Not knowing whether the wind/hail deductible is a percentage or a flat dollar. The math is materially different.
• Missing the named-storm trigger. A tropical storm and a hurricane trigger different deductibles in many coastal states. Confirm the classification at the National Hurricane Center for the date of loss.
• Buying a low premium without reading the deductible structure. The cheapest premium often pairs with the highest percentage deductible. The savings disappear on the first real loss.
• Forgetting the impact-rated credit. Class 4 shingles often qualify for a deductible reduction in hail-belt states. Document the rating at install and at every renewal.
• Not running the math before a claim. If the loss is below the percentage deductible, the carrier pays zero. Filing the claim still records to the CLUE database for seven years and can affect renewal regardless of payment.

When the deductible math kills the claim

The percentage deductible can be larger than the loss. In those cases, filing the claim is rarely worth it: the carrier pays nothing, the claim records to CLUE for seven years, and the renewal premium often rises. The line where filing makes sense depends on the loss, the deductible, and the state's renewal rules.

A roofer's free inspection is the right first step regardless. The inspection tells you whether the loss is above or below the deductible. If above, the inspection report is the spine of the claim file; see our Insurance Adjuster Roof Meeting Checklist for how to run the meeting. If below, the right path is a documented repair and a CLUE-clean file going into renewal. Get matched with a licensed local roofer through our storm-damage match path.

FAQ

What is a wind/hail deductible?

A separate deductible that applies only to wind and hail losses, commonly stated as a percentage of the dwelling Coverage A limit rather than a flat dollar amount. The math: Coverage A times the percentage equals the out-of-pocket before the carrier pays anything. Standard in hail-belt states (Texas, Oklahoma, Kansas, Colorado, Nebraska, Iowa, Missouri, Minnesota) and in coastal states for wind losses outside the named-storm definition.

What is the difference between a hurricane deductible and a named-storm deductible?

A named-storm deductible triggers when the National Hurricane Center officially names the storm (tropical storm or hurricane). A hurricane deductible triggers only when the storm reaches hurricane classification (Category 1 or above). The narrower trigger means tropical storm losses fall back to the wind/hail or AOP deductible under a hurricane-deductible policy. Coastal-state policies use one or the other; the declarations page identifies which.

How is the percentage deductible calculated?

Coverage A (the dwelling limit on the declarations page) times the deductible percentage. The percentage is applied against the limit, not against the loss. If Coverage A is set at a six-figure number and the deductible is 2 percent, the deductible is 2 percent of that limit regardless of whether the loss is larger or smaller. Confirm the math on your declarations page.

Can I lower my wind/hail deductible?

Yes, at renewal. Most carriers offer a menu (commonly 1, 2, 3, or 5 percent). Lower percentage costs more premium. Some carriers offer flat-dollar wind/hail as an endorsement at a higher premium. Shop the market at every renewal; two carriers in the same ZIP code can file different deductible structures.

Do impact-rated shingles reduce my deductible?

In some states, yes. Class 4 impact-rated shingles (UL 2218 standard) commonly qualify for a premium credit and a wind/hail deductible reduction in hail-belt states. The Insurance Institute for Business and Home Safety maintains the technical standards. Texas, Oklahoma, Colorado, and several other states require carriers to offer some level of Class 4 credit. Confirm with your carrier at renewal.

Does the deductible apply per loss or per year?

Per loss in almost every standard homeowners policy. Two wind events in the same policy year generally trigger two separate deductibles. Some policies use an aggregate hurricane deductible that resets at the start of the policy year; the declarations page is the source.

Does the wind/hail deductible apply to tree-fall damage?

Generally no. Tree fall is typically scoped under the falling-objects peril and the AOP deductible, not the wind/hail clause. The exception: if the carrier classifies the cause as wind that knocked the tree onto the roof, the wind/hail deductible may apply. State case law varies. Read the Cause of Loss designation on the scope of loss and rebut in writing if the classification is wrong.

Should I file a claim if the loss is close to the deductible?

Usually no. Filing records the claim to the CLUE database for seven years regardless of whether the carrier pays. A claim that pays a small net amount after deductible can trigger renewal increases or non-renewal that costs more over the policy life than the net payment. Get the roofer's inspection first; if the loss is meaningfully above the deductible, file; if it is at or below, repair on your own and keep the CLUE file clean. See our Roof Insurance Claim Deadlines for the timing rules if you do file.

This guide was written by Sasha Patel, Insurance and Storm Specialist, and reviewed by a licensed roofing contractor. Last reviewed: 2026-05-12. Wind, hail, or named-storm damage on the roof? Run the Storm Damage Assessor and the Replacement Cost Estimator, then get matched with a licensed local roofer for a free inspection before you file. For policy basics, read Does Insurance Cover Roof Replacement, our ACV vs RCV Roof Insurance breakdown, the Roof Insurance Claim Deadlines reference, and the Insurance Adjuster Roof Meeting Checklist.