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

by | Sep 29, 2026 | Financial

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

Insurance experts have identified a widespread coverage gap among American homeowners that often goes undetected until a loss occurs. Research indicates approximately 90% of owner-occupied homes in the U.S. carry homeowners insurance, yet many policyholders remain significantly underinsured without understanding the extent of their exposure.

An analysis of California Department of Insurance data covering 74,000 fire-related claims between 2018 and 2023 revealed that more than 70% of insured homeowners were underinsured by an average of approximately 20%. Experts characterize this pattern as a nationwide crisis that prevents homeowners from fully recovering losses. The problem stems from multiple factors, including intentional selection of lower coverage amounts to reduce premiums, confusion arising from complex insurance contract language, and widespread underestimation of rebuilding costs.

One of the most significant coverage gaps involves flood damage. Standard homeowners policies typically exclude or severely limit coverage for flooding, which is the most common and costly natural disaster in the U.S. Separate flood insurance is required to cover physical damage from water entering a home from ground level, whether caused by storm surge, heavy rainfall, or overflow from bodies of water. Despite flooding occurring in approximately 99% of U.S. counties over the past 20 years, less than 4% of American households hold flood insurance policies. Even when purchased, flood insurance takes 30 days to become effective and typically restricts basement coverage.

Another major source of underinsurance relates to reconstruction expenses. Replacement costs for property-and-casualty losses increased 45% between 2020 and 2023, while labor costs for home construction rose 37% between 2018 and 2022. Many homeowners fail to account for these escalating expenses when selecting coverage limits. Experts recommend that consumers review their policies, consider extended replacement cost coverage as an add-on option, and evaluate additional protections ahead of disaster season, particularly given the increasing frequency and severity of natural disasters.

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