Last updated: June 2026

Wind mitigation credits are mandatory discounts Florida insurers must apply to the windstorm portion of your premium when a licensed inspector documents that your home resists hurricane wind. That windstorm portion is typically 30 to 70 percent of a coastal Miami premium, so the credits move real money [1][2]. The qualifying features are roof shape, roof covering and deck attachment, roof-to-wall connection, secondary water resistance, opening protection, and the building code in force when the home was permitted. The single largest credit is opening protection (impact glass or rated shutters on every opening), but it is all-or-nothing: one unprotected opening forfeits the credit [1]. Homes permitted on or after March 1, 2002, under the 2001 Florida Building Code carry a separate code credit worth up to a 68 percent reduction on the windstorm portion [3]. You document all of this on the state's uniform form, the OIR-B1-1802, which carriers are required to accept under Florida law and which was revised effective April 1, 2026 [1][4]. The form is valid up to five years if the structure does not materially change [1].

This matters more in 2026 because the market backdrop is finally moving in the homeowner's favor. Citizens Property Insurance, the state's insurer of last resort, has filed rate reductions that average 8.7 percent statewide, with Miami-Dade policyholders averaging a 14.0 percent decrease at renewal beginning in spring 2026 [5][6]. A credit captured on top of a falling base rate compounds. Below is how to read these credits through an underwriting lens: what they cost, what they return, and how they affect your basis and your post-sale net.

How wind mitigation credits work in Miami

A wind mitigation inspection is a standardized review documented on Florida's OIR-B1-1802 form. Under Florida Statute 627.711, every property insurer operating in the state must offer premium discounts when you document hurricane-resistant construction [3]. The inspector records seven categories: building code, roof covering, roof deck attachment, roof-to-wall attachment, roof geometry, secondary water resistance, and opening protection [1].

A few of these are worth understanding before you spend a dollar:

Opening protection. Impact-rated windows, doors, and shutters on 100 percent of openings, including skylights and garage doors, is usually the largest single credit. It is all-or-nothing, so a partial retrofit captures nothing here [1].
Roof geometry. Hip roofs, which slope on all sides, earn a higher credit than gable roofs because they shed wind load better [1].
Building code. A primary structural permit dated on or after March 1, 2002, qualifies the home under the 2001 Florida Building Code. This is the largest single discount on the form, up to a 68 percent reduction on the windstorm portion [3].

Note that eligibility runs off the permit date, not the "year built" on the tax roll, which is often imprecise [3]. If you are weighing a retrofit, the inspection is the cheap first step. It tells you which credits you already qualify for before you commit capital to upgrades. For coastal owners in Key Biscayne and Miami Beach, where the windstorm share of premium runs high, the spread between a mitigated and unmitigated home is the difference between a manageable cost of carry and a punishing one.

The 2026 rate backdrop: a falling base to layer credits on

For more than a decade, Florida premiums moved one direction. That has shifted. Citizens filed an average statewide rate reduction of 8.7 percent for 2026, and South Florida is seeing the deepest cuts: Miami-Dade's roughly 42,000 Citizens homeowners average a 14.0 percent decrease, Broward averages 14.1 percent, and Palm Beach averages 11.9 percent, beginning at renewal in spring 2026 [5][6]. More than 330,000 policyholders statewide will see decreases, and over 150,000 will see cuts of 10 percent or greater [6].

The underwriting takeaway is timing, not theatrics. A wind mitigation credit applied against a base rate that is already declining stacks. If you have deferred an inspection because rates were rising anyway, the math now reverses: the same documented features return a larger relative discount when the underlying rate steps down. This is a routine maintenance item with a measurable yield, not a market call.

The condo question: SB 4D, reserves, and master-policy premiums

For condo owners in Brickell or Aventura, wind mitigation is mostly an association-level decision, and it now sits inside the broader structural-compliance picture created by Florida Senate Bill 4-D. Under SB 4-D, buildings three stories or taller must complete a milestone structural inspection (at 30 years, or 25 years within three miles of the coast) and a structural integrity reserve study, and as of December 31, 2024, associations may no longer waive or underfund those structural reserves [7][8].

The near-term effect has been special assessments. For Miami towers built between roughly 1975 and 1995, typical assessments run $30,000 to $75,000 per unit, with some older Brickell and Edgewater buildings exceeding $100,000 per unit when the scope combines roof, concrete, and waterproofing [9]. These are real costs, and they belong in any condo underwriting model. The offset worth noting: much of that work, new roof systems, impact glazing, and envelope repairs, is the same work that improves the building's wind mitigation profile and can eventually lower the master policy premium for the whole association. If you are buying, verify reserve status and any pending assessment before you write an offer. A buyer consultation is where that diligence belongs, not the week before closing.

Market velocity: buyers are paying for completed work

Demand is concentrating in resilient, compliant, well-maintained inventory, and the Q1 2026 data shows it. According to Corcoran Group first-quarter reports, condo inventory on Miami's barrier islands (Miami Beach and the barrier islands) fell 13 percent year over year to 3,919 listings, the first significant inventory drop since 2023 [10]. Closings there rose 15 percent to 693, the first increase since the fourth quarter of 2024 [10]. The barrier-island median condo price was down 9 percent to $640,000, while the coastal mainland median edged up 1 percent to $602,000, so the activity is selective rather than a blanket move [10].

Read that together: fewer listings, more closings, mixed pricing. Buyers are absorbing the homes where the hard work, wind mitigation, structural compliance, documented permits, is already done, and they are discounting the ones that still carry that work as a liability. If you own a mitigated, compliant property, that is a basis advantage you can document at sale rather than concede at the table. If you are preparing to sell, a listing valuation should price those completed upgrades into the number, not leave them on the floor.

The underwriting lens: basis, hold horizon, post-sale net

Treat wind mitigation as a capital decision, not a chore. The inspection is a low-cost probe that reveals which credits you already hold. Any retrofit then gets judged on payback: annual premium savings against install cost, over your expected hold horizon. Opening protection and a code-compliant roof tend to carry the longest tails because they also support resale, since the next buyer inherits the same documented credits and the same lower carry. On the sell side, the completed-work premium shows up in two places: a tighter days-on-market and a cleaner net, because you are not negotiating against an inspection report that flags an unmitigated, non-compliant structure. The credit is small in any single year. Across a multi-year hold and a sale, it compounds into basis.

Frequently asked questions

What is the average insurance rate change for Miami homeowners in 2026? Citizens Property Insurance filed an average statewide rate reduction of 8.7 percent for 2026, with Miami-Dade policyholders averaging a 14.0 percent decrease at renewal beginning in spring 2026 [5][6].

How much can wind mitigation credits actually save? The credits apply only to the windstorm portion of the premium, which is typically 30 to 70 percent of a coastal Florida premium [1]. The largest single item is the building-code credit for homes permitted on or after March 1, 2002, worth up to a 68 percent reduction on that windstorm portion [3].

What features qualify for wind mitigation credits in Florida? Roof covering, roof deck attachment, roof-to-wall attachment, roof geometry (hip roofs earn more than gable), secondary water resistance, opening protection (impact glass or rated shutters on all openings), and the building code at permitting. All are recorded on the OIR-B1-1802 form, revised effective April 1, 2026 [1][4].

How does SB 4-D affect Miami condo costs? SB 4-D requires buildings three stories or taller to complete milestone inspections and structural reserve studies, and bars waiving structural reserves as of December 31, 2024 [7][8]. Older Miami towers are issuing assessments that typically run $30,000 to $75,000 per unit, exceeding $100,000 in some cases [9].

What is the current luxury price threshold in Miami-Dade? As of Q1 2026, the single-family luxury threshold (top 5 percent) rose to $4.1 million and the ultra-luxury threshold (top 1 percent) rose to $13.6 million, according to MIAMI REALTORS [11].

Sources

If you want to make sure your mitigation and compliance work is priced into your number at sale, or you are buying and want that diligence done before you write an offer, reach out for a listing valuation or a buyer consultation.

Gabriel

Gabriel A. Moyers, PA. eXp Realty. Florida License #3407280. Equal Housing Opportunity. This article is general information as of June 2026 and is not legal, tax, or financial advice. Verify current figures against authoritative sources before acting.

Wind mitigation credits in Miami: how to lower your 2026 insurance premium