Wind Mitigation Inspections — Cut Your Premium 20–45%
Insurance · Coastal Homeowners
Wind Mitigation Inspections — Cut Your Premium 20–45%

A wind mitigation inspection documents your roof's storm resistance and earns you insurance discounts most coastal homeowners never claim.

Cut Your Insurance Premium 20–45%

Wind mitigation inspections — the insurance discount most coastal homeowners never claim

A wind mitigation inspection documents the storm-resistant features of your roof and home — and your insurer is required by law in most coastal states to apply premium discounts based on what the inspection finds. The inspection costs $75–$150 and takes under an hour. The discount it produces typically reduces your annual windstorm premium by 20–45% and remains in force until you make changes to the roof or openings. Most coastal homeowners who qualify have never had one done.

The Basics

What a wind mitigation inspection covers

What inspectors evaluate

Wind mitigation inspector examining roof construction details

A certified wind mitigation inspector — licensed by your state's department of insurance — evaluates and documents six categories of storm-resistant construction features. Each feature that meets or exceeds the required standard earns a credit that reduces your premium.

  • Roof covering — type of roofing material and installation year. Newer FBC-compliant installations earn the maximum credit.
  • Roof deck attachment — nail size, spacing, and pattern attaching the deck to the rafters. Ring-shank nails at 6-inch spacing earn higher credits than smooth nails at 6-inch spacing.
  • Roof-to-wall connection — how the roof structure is connected to the walls. Hurricane clips earn credit; straps earn more; embedded connectors earn the maximum.
  • Roof shape — hip roofs (four sloping sides) are significantly more wind-resistant than gable roofs. Hip roofs earn the maximum shape credit.
  • Secondary Water Resistance (SWR) — a sealed layer under the roof covering (peel-and-stick underlayment) that prevents water intrusion if the primary covering is lost.
  • Opening protection — impact windows, hurricane shutters, or impact-rated garage doors that protect openings from wind-borne debris.

How large are the discounts?

Insurance premium discount documentation for wind mitigation

In Florida — the largest wind mitigation market — the credits are mandated by the Florida Department of Insurance and can reach 40–45% of your windstorm premium for a home with all qualifying features. On a $3,000 annual windstorm premium, that is $1,200–$1,350 per year — every year the inspection is in force.

Other Gulf and Atlantic coastal states have equivalent programs: South Carolina, North Carolina, Virginia, Maryland, New Jersey, and Texas all recognize wind mitigation features for premium adjustments. Contact your insurer or state insurance commissioner for your state's specific credit schedule.

Who can perform the inspection?

In Florida, wind mitigation inspections must be performed by a licensed contractor, engineer, architect, or building inspector using the standard OIR-B1-1802 form. Most roofing contractors can perform them. The cost is typically $75–$150.

In other states, requirements vary. Your insurer will specify what credentials they require for the inspection report they'll accept.

Timing Matters

When to get a wind mitigation inspection — and when to update one

🔴 Get one immediately if:

  • You've never had one done and have owned your home more than 2 years
  • Your home was built after 2002 (Florida Building Code changes significantly improved wind resistance credits post-2002)
  • You have a hip roof — this alone typically earns a significant discount that most homeowners with hip roofs are not receiving
  • You've installed impact windows, hurricane shutters, or an impact-rated garage door since your last inspection

⚠️ Update your inspection when:

  • You replace your roof — new roofing and deck attachment are the two largest credit categories
  • You add hurricane shutters or impact windows — opening protection credits can be significant
  • You install a new impact-rated garage door
  • Your current inspection is over 5 years old
  • Your insurer questions the accuracy of your existing report

✅ What to do before the inspection:

  • Pull your current insurance declarations page and locate the windstorm premium line
  • Find any permit records for your roof installation (year and materials)
  • Confirm access to your attic — the inspector needs to examine roof-to-wall connections
  • Identify the model numbers of any impact windows or hurricane shutters (for the Miami-Dade/Florida Building Code product approvals)
  • Have your inspection report delivered to your insurance agent — not just kept in a drawer
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Storm hardening improvements that earn premium discounts

Some wind mitigation improvements have payback periods of 3–5 years in premium savings alone — before accounting for the damage they prevent. Here are the improvements with the strongest insurance credit return on the Gulf and Atlantic coast:

High-return improvements

  • Hurricane straps / clips on every rafter. Adding or verifying roof-to-wall connections is the single highest-value credit item in most wind mitigation programs. A licensed contractor can add straps to an existing home for $800–$2,500 depending on roof size. Premium savings often pay this back in 2–3 years.
  • Secondary Water Resistance (SWR) underlayment. When you replace your roof, specify peel-and-stick SWR underlayment. The cost premium over standard felt paper is $500–$1,500 on a typical roof. The wind mitigation credit earned, combined with the actual water protection it provides, makes this one of the best roofing investments available to coastal homeowners.
  • Impact-rated garage door. The garage door is the largest wind-vulnerable opening on most homes. An impact-rated replacement door costs $1,200–$3,000 installed. It earns an opening protection credit, eliminates the structural pressurization risk of a failed garage door, and qualifies for the My Safe Florida Home grant program (up to $10,000 matching).

Florida — My Safe Florida Home program

Florida's My Safe Florida Home program provides free wind mitigation inspections and matching grants up to $10,000 for qualifying storm hardening improvements — hurricane shutters, impact windows, impact garage doors, roof deck attachment improvements, and secondary water resistance.

Eligibility: owner-occupied primary residence in Florida, insured value under $700,000, homestead exemption in place. Applications at mysafefloridahome.com

The program is funded by the state and periodically depleted — apply at the opening of the application window each year. Grants are awarded on a first-come basis.

All 13 States

Wind mitigation programs and credits by state

Every Gulf and Atlantic coastal state recognizes wind mitigation features for premium adjustments. Florida has the most structured program, but all 13 states offer some form of credit for storm-resistant construction.

State Program Typical Discount Notes
FloridaOIR-B1-1802 Wind Mitigation Form20–45% of windstorm premiumMandatory credits; My Safe Florida Home grants available
TexasTWIA / private windstorm creditsVaries by insurerFORTIFIED certification earns significant TWIA credits; ask your insurer
LouisianaInsurer-specific creditsVaries; hip roof credit commonLouisiana Citizens Property Insurance recognizes mitigation features
MississippiMWHUA credits; insurer-specificVariesFORTIFIED Roof program earns premium credits; contact MWHUA
AlabamaFORTIFIED endorsement required by lawUp to 40% for FORTIFIED GoldAlabama law requires insurers to offer FORTIFIED endorsement; major credits available
South CarolinaSC Wind and Hail credits5–25% for qualifying featuresSC SAFE Homes program (when funded) provides grants for mitigation improvements
North CarolinaNCIUA; insurer-specificVaries by feature and insurerHip roof and opening protection credits recognized by most coastal insurers
Georgia–NYInsurer-specific wind mitigation creditsVariesAsk your insurer what inspection or documentation they require for credits. Most recognize roof shape, deck attachment, and opening protection.
Above and Beyond

The FORTIFIED program — the highest level of storm hardening

Coastal home wind damage assessment and mitigation

What FORTIFIED certification means

FORTIFIED is a voluntary construction standard developed by the Insurance Institute for Business and Home Safety (IBHS) that goes beyond local building codes to achieve meaningful storm resistance. There are three levels: FORTIFIED Roof, FORTIFIED Silver, and FORTIFIED Gold — each adding additional storm protection requirements.

FORTIFIED Roof focuses on roof system performance — sealed deck, enhanced attachment, strong connections — and is the most commonly pursued level for existing homes. A FORTIFIED Roof certification typically costs $5,000–$10,000 more than a standard roof replacement but earns premium credits that pay back the investment in 3–7 years, depending on state and insurer.

Where FORTIFIED earns the biggest insurance credits

  • Alabama — state law requires insurers to offer a FORTIFIED endorsement. Premium credits can reach 40% for FORTIFIED Gold. The Alabama Department of Insurance maintains a list of FORTIFIED-certified contractors.
  • Mississippi — MWHUA provides significant credits for FORTIFIED Roof certification. Rebuild Mississippi program has provided grants for FORTIFIED construction after major storms.
  • South Carolina — SC Safe Homes grant program (when funded) provides up to $5,000 toward FORTIFIED Roof construction.
  • All states — most major coastal insurers (State Farm, Travelers, Nationwide) offer FORTIFIED discounts. Ask your agent specifically about FORTIFIED credits when renewing.

Find FORTIFIED-certified contractors at ibhs.org/fortified

Common Questions

Wind mitigation — questions homeowners ask

My insurer never mentioned a wind mitigation inspection. Are they required to offer it?

In Florida, insurers are required by statute to offer wind mitigation credits and must accept a valid wind mitigation inspection report. If your insurer has not discussed this with you, ask them directly. In other coastal states the requirements vary — but most major insurers recognize wind mitigation features and will adjust premiums accordingly when a report is submitted.

My home failed to qualify for credits. What now?

The inspection tells you exactly why — which features didn't meet the threshold for credit. Use that report as your improvement roadmap. Roof-to-wall connections and secondary water resistance are the two most actionable improvements for most existing homes. Get quotes, calculate the premium credit you'd earn, and compare against the improvement cost. Often the math strongly favors making the improvement.

Does a wind mitigation inspection affect my claim if I have damage?

Not negatively. A valid wind mitigation report establishes your home's storm-resistant features — which can actually support a claim by demonstrating the damage exceeded what these features could withstand (confirming it was indeed a significant storm event). It has no adverse effect on a legitimate storm damage claim.

How long does a wind mitigation inspection stay valid?

Reports do not expire on a set schedule — they remain valid until the documented features change (new roof, new shutters, structural modifications). However, your insurer may request an updated report after a certain number of years, and post-storm inspections sometimes recommend updates. Updating after any significant roofing work is best practice.

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