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ZestyAI, the leader in AI-powered climate and property risk analytics, announced that Z-FIRE™, its advanced wildfire risk model, is filing-ready in California.

Z-FIRE can continue to be filed for rate segmentation and underwriting without further review under the Pre-Application Required Information Determination (PRID) process, which is currently focused on models that determine a catastrophe load factor.

Z-FIRE was last included in an approved California rate filing in 2024.

Z-FIRE leverages AI-driven analysis of over 2,000 historical wildfires, integrating satellite and aerial imagery, topography, and property-level characteristics to provide precise risk assessments. This approach is rooted in decades of science and experimentation by researchers, including the Insurance Institute for Business & Home Safety (IBHS).

With coverage spanning nearly 100% of U.S. properties, Z-FIRE is already trusted by more than one-third of California’s insurance market, including the California FAIR Plan, the state's insurer of last resort, to refine underwriting, enhance risk segmentation, and ensure that premiums accurately reflect the true wildfire exposure and vulnerability of each individual structure.

"For years, leading insurers have trusted ZestyAI to manage wildfire exposure in California and refine pricing segmentation with precision," said Attila Toth, Founder and CEO of ZestyAI. "Now, insurers can continue to confidently integrate it into their rate filings."

They can trust that Z-FIRE meets the highest actuarial and scientific standards, ensuring transparency and reliability for regulators, carriers, and policyholders alike.

ZestyAI continuously validates Z-FIRE’s performance through post-event analyses, assessing how well its risk designations align with real-world fire impacts.

Following the recent Los Angeles wildfires, preliminary analysis indicates that Z-FIRE’s highest-risk ratings closely correspond with the hardest-hit areas, with 94% and 87% of the areas affected by the Palisades and Eaton fires rated as high or very high risk by the model.

The model also captured how property-specific characteristics influenced damage patterns, even within the same fire perimeter, reinforcing the importance of granular, structure-level insights in wildfire risk assessment. Z-FIRE’s data also reveals more than 1.5 million structures in California face a high or very high risk of being within a wildfire perimeter.

With granular, property-specific insights, Z-FIRE allows insurers to move beyond binary "insure or drop" decisions. Instead, they can work with policyholders to reduce vulnerability—whether through defensible space measures, fire-resistant roofing, or other mitigation efforts.

Since its adoption, Z-FIRE has helped insurers confidently write hundreds of thousands of policies that might have otherwise been non-renewed or declined. By incorporating vegetation density, roof materials, and structural characteristics, the model enhances risk segmentation, reduces volatility, and strengthens market stability.

ZestyAI has engaged with the California Department of Insurance (CDI) over the years, including discussions during the early regulatory considerations of Z-FIRE. After an independent actuarial review in 2020, multiple carrier rate and underwriting filings leveraging Z-FIRE have been approved by the CDI. Moreover, ZestyAI participated in seven CDI workshops in 2023-24 and co-hosted a January 2025 webinar on the new regulatory framework.

Artificial intelligence is reshaping the P&C insurance industry, offering new ways to streamline underwriting, enhance risk management, and navigate evolving regulations.

But as AI adoption accelerates, insurers must ensure they’re using these technologies effectively—balancing innovation with compliance.

Our latest guide explores the most impactful AI applications in insurance, including:

• AI-powered underwriting and predictive analytics
• How regulators are shaping the future of AI in insurance
• Best practices for integrating AI while ensuring fairness and transparency

As AI-driven tools become the new standard, insurers who adapt early will gain a competitive edge.

Download our free guide to leverage these innovations while staying aligned with evolving regulations.

For insurers, accurate roof age data is essential. Yet, self-reported information often falls short.

Our research shows that 1 in 5 homeowners underreport roof age by an average of 8 years. These discrepancies create hidden risks that can impact underwriting, pricing, and overall portfolio performance.

How can insurers get a more accurate picture?

AI-driven insights provide 97% nationwide coverage, combining verified roof age with real-time condition data for a more comprehensive risk assessment.

Download our latest research for a breakdown of five critical insights that every insurer should know about roof age. 

Plus, get access to The Roof Age Advantage, an exclusive video that unveils how AI is setting a new standard for risk evaluation.

                           The property and casualty (P&C) insurance industry has always been about protecting people and property against the unexpected. But in 2024, U.S. insured catastrophe losses reached $113 billion—nearly double the 25-year average of $58 billion.

For many carriers, the gap between collected premiums and total payouts, including operating costs, continues to widen, underscoring the growing financial strain of climate-driven risks. At ZestyAI, we can’t control the forces of nature, but we’re helping insurers adapt.

From Franklin’s Fire Policies to AI-Powered Resilience

The concept of insurance dates back to the Middle Ages, when merchants sought protection from unpredictable events like storms and piracy. Over time, the practice evolved into today’s property and casualty insurance, safeguarding homes, businesses, and communities.

In the United States, Benjamin Franklin advanced the industry by founding the nation’s first fire insurance company in 1752. By refusing to insure fire-prone buildings, his company not only mitigated risk but also set new safety standards. This principle of risk reduction has guided the industry ever since.

Today, ZestyAI is building on that foundation with AI-driven risk models that help insurers address modern challenges. While the tools have changed, the mission remains the same: to protect people, property, and the future.

Modern Tools for Today’s Challenges

At ZestyAI, we’re helping insurers address modern challenges with solutions designed to fit seamlessly into their workflows. Our AI-driven platform combines high-resolution aerial imagery, proprietary data, and advanced modeling to provide a clearer, more reliable view of risk.

Unlike broad, traditional approaches, we focus on delivering actionable insights at the property level, helping insurers:

• Modernize outdated processes without overhauling their systems,
• Improve underwriting precision,
• Optimize inspections and resources, and
• Strengthen their portfolios.

A key example of this is our work in wildfire risk modeling. ZestyAI’s proprietary wildfire loss database—built using data from 1,500 events over the last 20 years—helps insurers predict property-specific risks with precision. By understanding wildfire risk at this granular level, insurers can proactively reduce losses, guide mitigation strategies, and protect their customers with greater confidence.

Discover how ZestyAI’s regulator-approved solutions set new standards for accuracy, compliance, and fairness in insurance.

ZestyAI, the leading provider of AI-powered property and risk analytics, today announced that its Severe Convective Storm suite, including Z-HAIL™, Z-WIND™, and Z-STORM™, has received regulatory approval from the Minnesota Department of Commerce.

This milestone supports Minnesota insurers in improving storm risk assessment, enhancing underwriting precision, and supporting proactive risk management strategies.

Minnesota has seen significant losses from severe convective storms. According to data from NOAA’s National Centers for Environmental Information (NCEI), the state experienced three billion-dollar weather events in 2024 alone, with hail and wind causing extensive damage. A July storm in the Twin Cities resulted in more than $1.8 billion in insured losses, highlighting the need for innovative solutions to manage storm-related risks.

ZestyAI’s Severe Convective Storm suite delivers property-specific risk insights by combining climatology analysis with granular property data. Built on extensive loss data and validated by regulatory authorities, the suite equips insurers to assess and address storm risks with a higher level of accuracy and confidence. Key features include:

• Z-HAIL: Evaluates each roof’s unique characteristics, including accumulated damage, to predict which properties are likely to file a claim, even in the same neighborhood.
• Z-WIND: Uses AI-generated 3D analysis revealing pivotal insights about roof condition, complexity, and potential points of failure.
• Z-STORM: Predicts the frequency and severity of storm damage claims, examining the interaction between climatology and the unique characteristics of every structure and roof
  These models allow insurers to move beyond reactive damage assessments, helping them identify high-risk properties, allocate resources effectively, and support policyholders in reducing risks.

Bryan Rehor, Director of Regulatory Affairs at ZestyAI said:

“Minnesota’s exposure to hail and wind damage underscores the importance of property-specific insights. With this approval, insurers can access validated models to deliver precise underwriting and rating decisions and encourage risk-reduction measures among policyholders.”

This approval builds on a series of regulatory endorsements in key wind and hail-prone states across the Great Plains, Midwest, and U.S. South, including Texas, Colorado, Indiana, Missouri, and Iowa, among others.

National insurance carriers have long relied on sophisticated models to drive underwriting accuracy and profitability.

But even the most advanced systems can benefit from fresher, more granular, and unique data inputs.

That’s where ZestyAI comes in. With 97%+ U.S. property coverage and exclusive data points—like roof condition and building permits—ZestyAI provides national carriers with the data needed to supercharge their existing models and achieve unparalleled accuracy in risk assessment.

Every insurance model thrives or falters based on the quality of its inputs. Using computer vision and AI-powered insights, ZestyAI captures property-specific features with unmatched precision and is updated multiple times annually. This allows carriers to access insights they’ve never had before, including:

• Roof Condition and Complexity: ZestyAI’s 3D analysis evaluates every facet, penetration, and angle of a roof, providing a complete view that powers complex rating models.
• Parcel-Level Features: Detailed property-level data, such as driveway condition, building permits, lot debris, and overhanging vegetation, reveal nuanced risks for underwriting.
  Climate, Geography, and Infrastructure Variables: Comprehensive data encompassing topography, slope, climate factors, and critical infrastructure.

Why National Carriers Choose ZestyAI as a Data Partner

Adopting an off-the-shelf solution isn’t always the right fit for national carriers with robust internal modeling teams. Instead, these insurers benefit from ZestyAI’s ability to integrate powerful datasets into their existing infrastructure seamlessly. Key advantages include:

• Data Uniqueness: Proprietary insights like property updates and nuanced parcel-level conditions unavailable from public or conventional sources.
• Broad and Deep Coverage: 97%+ U.S. property coverage ensures nationwide relevance.
• Change Detection and Data Recency: AI-driven updates keep your models ahead of evolving risks with near-real-time insights.

By integrating ZestyAI’s data, carriers can complement their models and ensure their outputs are informed by the latest, most comprehensive property-level information.

Driving Precision with a Science-Driven Approach 

At ZestyAI, science and a hypothesis-driven approach form the foundation of our offerings. Hundreds of variables are tested for each model, carefully selected and validated to ensure they meet both logical and causal standards—not just correlations. This rigorous methodology ensures compliance with regulatory scrutiny and real-world risk prediction.

Immediate Benefits, Long-Term Value

• Enhanced Model Accuracy: ZestyAI’s data serves as a diagnostic lens, revealing what’s missing in your existing frameworks and sharpening predictions.
• Operational Efficiency: Recent upgrades to ZestyAI’s API infrastructure, including a 50% reduction in response times and a 10x increase in data processing power, ensure carriers can seamlessly integrate real-time insights into their workflows. These enhancements enable faster decision-making and improved scalability, helping insurers stay ahead in an evolving risk landscape.
• Regulatory Readiness: Transparent, explainable data sources ensure compliance with even the most stringent underwriting regulations.