In the nation’s most populous state, the surplus lines market has ceased to be a specialized outlet and become, for a startling and growing number of ordinary homeowners, the only game in town. Surplus lines homeowners policies in California surpassed 300,000 in 2025, a level without precedent in the state’s history, according to new data from the Surplus Line Association of California. What began as a rebound from pandemic-era disruption, hardened into a structural shift in 2024, and by 2026 has become something more consequential still: a full-scale realignment of the entire California property insurance market.
