Many homeowners have a big insurance coverage gap — and don’t even know it

by | Sep 26, 2026 | Financial

Many homeowners have a big insurance coverage gap — and don't even know it

A substantial portion of American homeowners carry insufficient insurance coverage despite believing their policies adequately protect their properties, according to insurance experts and recent research. A California Western School of Law professor analyzed state insurance data on roughly 74,000 fire-related claims filed between 2018 and 2023, finding that more than 70% of insured homeowners were underinsured by an average of approximately 20%. The researcher characterized the situation as a “barely hidden nationwide crisis of underinsurance” that prevents homeowners from fully recovering losses when disasters strike.

Multiple factors contribute to coverage gaps among policyholders. Some consumers intentionally select lower coverage limits to afford any insurance at all, while many others remain unaware of deficiencies in their protection. Insurance contracts often use confusing language that obscures what consumers are actually purchasing, and insurers continue to exclude certain perils from coverage while capping payable amounts for covered losses. Additionally, homeowners frequently underestimate the actual costs required to rebuild their residences in the event of total loss.

Flood coverage represents one of the most significant gaps in standard homeowners policies. Typical policies exclude damage from flooding, defined as water entering a home from ground level, despite flooding being the costliest and most frequent natural disaster in the United States. Just one inch of water can cause approximately $25,000 in property damage, and average flood insurance claims paid between 2020 and 2024 totaled $82,614. Separate flood insurance policies are necessary for this coverage, yet fewer than 4% of U.S. households have purchased policies through the primary residential flood insurance provider.

Rising construction and labor costs have further widened the underinsurance gap. Replacement costs for property-related losses increased 45% between 2020 and 2023, while labor expenses for home construction jumped 37% between 2018 and 2022. Consumers can address rebuilding cost gaps by purchasing extended replacement cost coverage, an optional add-on that typically increases dwelling coverage limits by 10% to 50%.

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