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No evidence cited here shows that a nationwide housing-market crash is imminent. The $11.2 trillion figure is Realtor.com’s estimate of the value of U.S. homes exposed to severe or extreme wind, flood, or wildfire risk—not the amount those homes are expected to lose. The evidence does point to real, uneven effects on property prices, insurance, and ownership costs, with the outcome depending on location and property.
What the $11.2 trillion figure measures
In its July 2026 analysis, Realtor.com estimated that 23.1% of U.S. homes—representing $11.2 trillion in residential property value—face severe or extreme risk from at least one of three hazards: wind, flood, or wildfire. That is an estimate of the value of homes in those risk categories. It is not a forecast of damage, insurance claims, falling prices, or losses to homeowners or lenders.
For this analysis, a home counted as severe or extreme risk if its First Street Fire Factor, Flood Factor, or Wind Factor score was 7 or higher. Realtor.com overlaid those hazard boundaries on listings for single-family homes, condominiums, townhomes, row homes, and co-ops, then matched homes to recent automated valuation estimates. The score threshold is a screening measure, not a complete property inspection or a measure of every relevant hazard.
Realtor.com cautioned that changes to First Street’s methods mean the 2026 results are not directly comparable with its 2025 report. A difference between the two editions should not be read as a year-over-year increase or decrease in exposure without accounting for those methodological changes.
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Does this mean a housing bubble is about to burst?
The cited evidence does not establish an imminent nationwide housing crash, a collapse date, or a single climate-driven correction across U.S. real estate. A large amount of property value exposed to hazards is not, by itself, evidence that prices are inflated or that owners and lenders will suffer losses on that scale.
What the evidence supports is a more localized and uneven picture: expected hazard costs and insurance can weigh on some property values, while other exposed places remain expensive or in demand. The eventual effect can depend on the hazard, buyer awareness, insurance availability and cost, mitigation, and local demand. Exposure can create financial pressure without causing every property in a risk area to lose value.
Nor do the cited indicators isolate climate risk as the sole cause of changes in insurance contracts, homeowners’ association (HOA) dues, or mortgage distress. They are signals worth examining at property and community level, not proof of a national bubble.
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What the price evidence says—and what it cannot show
Selected county comparisons differ sharply
Realtor.com’s listing comparisons show why a single national “climate discount” would be misleading. In the selected counties below, the report compared severe/extreme-risk listings with lower-risk listings. These are local listing comparisons, not controlled national estimates; they do not show that risk caused each price difference.
| County | Severe/extreme-risk listing price per square foot | Listing views per property |
|---|---|---|
| Santa Clara County, California | 78% of the lower-risk listing level | 48% more than lower-risk listings |
| Los Angeles County, California | 75% of the lower-risk listing level | 23% more than lower-risk listings |
| Anne Arundel County, Maryland | 44% higher than lower-risk listings | Not stated in the Realtor.com comparison |
| Llano County, Texas | Twice the lower-risk listing level | Not stated in the Realtor.com comparison |
For Los Angeles County, the severe/extreme-to-lower-risk listing-views ratio moved from 1.21 in December 2024 to 1.11 in January 2025, then reached 1.31 by March, after the January wildfires. Listing-page views measure online shopping activity, not completed purchases or buyers’ final decisions. Realtor.com’s shopping measure covers listing-detail-page traffic from June 2025 through May 2026; the ratio timeline is reported separately.
Florida research finds negative price relationships, not a national forecast
A September 2026 Federal Reserve Board discussion paper by Erik Heitfield, Mallick Hossain, and Katie Merritt analyzes 465,000 Florida home sales over twelve years. After controls, the authors find negative associations between sale prices and modeled expected weather losses, insurance premiums, and recent hurricane exposure. Expected losses have the strongest association; the relationship with premiums is more modest.
This Florida-specific study supports the possibility that anticipated hazard costs can be reflected in local home values. It does not estimate a nationwide housing correction. The paper is preliminary, and the Federal Reserve page notes that its conclusions do not necessarily represent the views of the Board.
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A 2024 literature survey affiliated with the Federal Housing Finance Agency describes a variable price discount for flood and wildfire risk across studies. Whether buyers know about a risk—including through disclosure or recent damage—can affect whether it is reflected in prices. The survey also finds that damaging events can affect mortgage performance, although insurance and disaster aid may make those effects short-lived.
The survey cautions that studies differ in location, method, and outcome, so their effect sizes should not be compared as if they measured the same thing. Evidence is also uneven for long-term chronic hazards and multifamily housing. The available findings are therefore more useful for understanding possible local mechanisms than for forecasting one national price outcome.
How climate risk can affect the cost of owning a home
Insurance availability and premiums
Realtor.com reported that active National Flood Insurance Program (NFIP) contracts fell from 3.62 million in May 2025 to 3.45 million in May 2026, a 4.5% decline. That change in active contracts does not establish that every policy ending or not renewing was caused by climate risk.
The report also said median annual NFIP premiums were projected to rise from $689 in December 2022 to $1,288 over time. The latter is a projected figure, not a current premium paid by every policyholder. Premiums and coverage depend on the property and policy, so a buyer needs a current quote for the specific home.
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HOA dues and mortgage distress
Among for-sale listings that reported positive HOA dues, Realtor.com found a median monthly fee of $192 for severe/extreme-risk listings, compared with $125 for lower-risk listings—a 53.6% difference. The comparison excludes listings with no reported positive dues, so it does not describe all homes. The report’s HOA figures draw on weekly listing snapshots from June 2025 through May 2026.
Realtor.com, using Consumer Financial Protection Bureau data, also reported serious mortgage delinquency rates in September 2025 of 1.7% in Louisiana and 1.4% in Mississippi, compared with 0.8% nationally. These figures identify elevated delinquency in those states; they do not establish climate risk as the cause.
Damage, adaptation, and household finances
The 2024 literature survey describes several pathways from hazards to household and market costs: physical damage can reduce value and raise delinquency risk, particularly when insurance is inadequate; rising insurance costs or insurance-market failures can put downward pressure on property values; and owners may need to pay for adaptation. Possible measures include drainage improvements, a sump pump, elevation, or relocation. Suitability and cost depend on the site, and these measures are not guaranteed fixes.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to assess climate risk before buying
A risk score is a useful starting point, not a substitute for checking what the property will cost to insure, maintain, and adapt. Assess the home itself and its local market rather than applying a national discount rule.
- Identify the specific hazards and data behind the score. Check which hazards matter at the address, when the data were produced, and how they were measured. Realtor.com’s 2026 classification uses First Street flood, wildfire, and wind scores; it does not cover every hazard or replace an on-site assessment.
- Get current, property-specific insurance quotes. Ask about homeowners and flood coverage, availability, limits, exclusions, and deductibles. A general estimate or another home’s premium is not a substitute for a quote on the property under consideration.
- Calculate total ownership costs. Compare the asking price alongside HOA dues, insurance, expected maintenance, and plausible mitigation costs. For a home with a basement or flood exposure, ask qualified local professionals whether drainage work, a sump pump, elevation, or another option fits the actual site.
- Check comparable local sales and listings. Compare homes of similar type and amenities nearby, and ask whether a price difference associated with risk is visible in that market. Realtor.com’s county comparisons include both discounts and premiums, so they do not support a universal price adjustment.
- Ask what is disclosed and what could change. Seek information about known damage, mitigation, coverage availability, and the basis and date of any hazard assessment. The FHFA-affiliated literature survey finds that information can affect whether risk is reflected in prices; it does not establish that disclosure eliminates the underlying hazard or cost.
What buyers and owners should take from the headline
The headline’s $11.2 trillion is a measure of estimated residential value in severe/extreme-risk categories, not a predicted bill for homeowners or a loss waiting to hit the housing market. The cited sources document meaningful local exposure, cost pressures, and evidence that hazard expectations can relate to prices. They do not establish a near-term national climate-risk bubble burst. For an individual decision, the most useful next step is to price the specific home’s insurance and ownership costs and compare it with genuinely similar local properties.
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