Impact of Weather Events on South Carolina's Insurance Rates
Weather-related challenges like hurricanes, high winds, heatwaves, flooding, and wildfires have long plagued South Carolina's coast. However, the increasing frequency and severity of these events are significantly impacting the state's insurance market. Homeowners in South Carolina could experience insurance premium hikes ranging from 60% to 203% over the next decade, surpassing their property tax expenses.
According to a report by the Coalition for an Insurable Future and Mandala Partners, South Carolina is projected to encounter the second-most severe insurance cost increases in the U.S. over the next ten years, largely due to climate-related factors. The most vulnerable areas are coastal regions, which face heightened risks.
Chloe Demrovsky, a member of the Coalition for an Insurable Future and founder of Edgewood Insights, noted similarities with challenges already witnessed in California and Florida, where past floodings, hurricanes, wildfires, and earthquakes have led to substantial insurance rate spikes. Increased flooding from storms like Hurricanes Matthew, Florence, and Helene highlights South Carolina's challenges, compounded by sea-level rise contributing to routine flooding known as King Tides. Erosion of beaches, requiring significant investment in restoration, further aggravates these issues.
The most significant premium increases are observed in the eight coastal counties, ranking among the top ten in the state for these hikes. The resilience of residences, which correlates with local building codes, plays a substantial role in determining risk and insurance costs. Many homes constructed between the 1950s and 2000s on flood-prone lands during a building boom are proving costly over time due to insufficient resilience.
South Carolina's rapid population growth has led to development in areas like reclaimed marshlands, contributing to heightened risks. Since 2021, there has been a 38% surge in homeowners insurance rates nationwide, surpassing inflation and wage growth. Florida, California, and Louisiana already experience some of the nation's highest insurance premiums. South Carolina is expected to follow suit, with potential further increases ranging from 15-35% by 2035 and beyond 35-107% by 2050.
The national economic impact could reach nearly $1 trillion in claims by 2035. Rising premiums often leave more homeowners uninsured, which can lead to a cycle of increased rates necessary to cover disaster payouts. The frequency of billion-dollar disasters has risen dramatically since 1980, posing significant challenges for insurance providers.
Demrovsky emphasized that insurance models struggle under the weight of widespread disasters within single communities, as payouts can potentially bankrupt insurance companies. Strengthening building codes to enhance home resilience is a critical strategy for mitigating disaster impacts. Investing in higher-quality construction based on structural durability and flood zoning can better protect assets and financial stability over time. According to Demrovsky, these preventative measures prove more cost-effective in safeguarding the housing market's future.