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Windstorm coverage is one of the largest line items in a Naples rental property's insurance bill, and Florida law already requires every insurer to discount that portion of the premium based on a home's wind-resistant features. What's changed recently is the form insurers use to verify those features. A revised version became mandatory on April 1, 2026, and carriers started applying credits under the new form in July, which means a lot of landlords are working from outdated numbers without realizing it.
Key Takeaways
Florida Statute 627.0629 requires every property insurer to discount the windstorm portion of a policy based on a home's verified wind-resistant features.
The standardized inspection form, OIR-B1-1802, was revised effective April 1, 2026, and insurers began applying credits under the updated version in July 2026.
Seven categories determine the discount: building code era, roof covering, roof deck attachment, roof-to-wall connection, roof shape, secondary water resistance, and opening protection.
Opening protection is an all-or-nothing category. A single unprotected window, door, or garage door can eliminate that entire credit.
The windstorm portion of a Florida coastal policy typically represents 30-70% of the total premium, and the maximum combined discount can reach up to 88% of that portion specifically.
What a Wind Mitigation Inspection Actually Covers
A wind mitigation inspection is a standardized, photo-documented assessment of how well a home resists hurricane-force wind. It doesn't test anything or require repairs on the spot, it simply documents what's already there. Under Florida Statute 627.0629, insurers are required to apply the resulting credits to the windstorm portion of a policy, which for many Naples properties represents the largest single component of the total premium given the area's coastal exposure.
What Changed With the New OIR-B1-1802 Form
The Uniform Mitigation Verification Inspection Form, known by its number OIR-B1-1802, is the single statewide document every Florida insurer has to accept for these credits. A revised version, based on the state's 2024 Residential Wind-Loss Mitigation Study, became mandatory for inspections performed on or after April 1, 2026, and insurers began applying credits under this updated form starting in July. The revision requires clear photos documenting each feature rather than relying on an inspector's written notes alone, and it now ties a property's documented design wind speed to current ASCE 7-22 wind speed maps rather than older reference standards. Practically, this means an inspection completed under the old form, especially one from 2021 or earlier, should be redone to make sure it reflects current documentation standards and actually maximizes the credit an insurer will apply.
The Seven Categories That Determine Your Discount
An inspector rates seven specific features: the building code era the home was constructed under, the roof covering material and installation quality, how the roof deck is attached, the roof-to-wall connection method, the roof's shape, whether a secondary water resistance barrier is present, and opening protection. The roof-to-wall connection matters more than most owners expect, since homes built before 1993 typically used toenail connections, which earn no credit at all, compared to clips or wrapped straps that qualify for meaningfully larger discounts. Roof shape also carries real weight. A hip roof, sloped on all four sides, is significantly more wind-resistant than a gable roof and can earn a discount in the range of 28-32% on its own.
Why Opening Protection Is the Category That Makes or Breaks Your Discount
Opening protection, meaning impact-rated windows, doors, skylights, and garage doors, or properly documented storm shutters, works differently than the other categories. It's all-or-nothing. If even a single opening on the property, including a small bathroom window or an unprotected garage door, lacks proper protection, the entire structure receives no credit in this category at all, regardless of how well-protected every other opening is. Since opening protection is typically the single largest available credit, this all-or-nothing structure means one overlooked window can cost a property owner far more than the cost of upgrading it would have. Confirming every opening on a rental property is accounted for is exactly the kind of detail our maintenance team checks for when evaluating a property's insurance readiness.
How Much This Can Actually Save a Naples Landlord
Because the windstorm portion of a coastal Florida premium often represents 30-70% of the total bill, and the maximum combined discount can reach roughly 88% of that windstorm portion specifically, the dollar impact for a well-mitigated property can be substantial. Statewide data from Florida's mitigation programs has shown average annual savings in the $800 to $2,500 range for homes with strong, documented mitigation features, with the highest savings going to properties combining a hip roof, full opening protection, and modern roof-to-wall connections. It's worth noting that credits aren't simply additive across every category, so the real number for a specific property depends on comparing the premium with and without the completed form applied, which your insurer or agent can calculate directly.
When to Get (or Redo) an Inspection
A wind mitigation report is generally valid for up to five years and transfers across insurance carriers within that window, so it's not something that needs repeating annually. That said, any owner whose most recent inspection predates the 2026 form revision should strongly consider getting a new one, since the updated documentation standards may capture credits an older report didn't fully account for. It's also worth scheduling a new inspection anytime a property gets a new roof or new impact-rated openings installed, since those upgrades won't show up in insurance pricing until they're documented on a current form. Keeping this kind of documentation organized alongside other property records is something our accounting and reporting process is built to track for owners managing multiple properties.
FAQ
Do I need to redo my wind mitigation inspection every year?
No. A completed report is generally valid for up to five years and can transfer to a new insurer within that window, though it's worth redoing after a major roof or opening upgrade, or if your last inspection predates the 2026 form revision.
What's the biggest single credit available on the form?
Opening protection is typically the largest, but it's all-or-nothing. Even one unprotected window, door, or garage door eliminates the entire credit for that category.
How much of my insurance bill does this actually affect?
Wind mitigation credits apply only to the windstorm portion of your premium, which typically represents 30-70% of a coastal Florida policy's total cost, not the full bill.
Should I get a new inspection if my last one was done before 2026?
Yes, it's worth considering. The revised OIR-B1-1802 form requires more thorough photo documentation, and an older inspection may not reflect the full credit your property actually qualifies for.
Making Sure Your Properties Are Getting the Credit They've Earned
A wind mitigation inspection is one of the few insurance line items where a relatively small upfront cost can lead to a meaningful, recurring annual savings, but only if the documentation is current and complete. With insurers now applying credits under the revised 2026 form, it's worth confirming your properties' inspections reflect the updated standard rather than assuming an older report still captures the full available discount.
Curious whether your Naples rental's current coverage reflects the best available wind mitigation credit? Take a look at our property management services to see how we help owners stay on top of details like this year-round.
