ZIP 94904 Insurance Data

Data Snapshot: ZIP 94904 (Greenbrae, CA)

ZIP 94904 (Greenbrae, CA) shows an average homeowners insurance premium of $3,868 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 639 reported policies. That is 118% above the national average of $1,776 per year, placing this ZIP in the 98th percentile nationally. Compared to the California state average of $1,864, this ZIP runs 107% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.

The loss ratio for ZIP 94904 is 27.9%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 3.46%, and the average claim severity (amount paid per claim) is $31,141. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 1.04% in this ZIP, a rise of 204.9% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.

Across 5 years (2018–2022), premiums in ZIP 94904 have risen by 21.3%, ranging from $3,188 to $3,910 with a five-year average of $3,605 — an annualized rate of +5.0% per year. FIO data aggregates voluntary reporting from the 40 largest homeowners insurers, covering roughly 80% of the U.S. market, so figures represent market averages rather than individual policy quotes; your own premium will vary with dwelling value, deductible, coverage limits, construction type, and insurer-specific underwriting. This page is educational research only and is not insurance advice — homeowners should request quotes from multiple licensed carriers or an independent agent before purchasing or renewing coverage.