ZIP 11790 Insurance Data

Data Snapshot: ZIP 11790 (Stony Brook, NY)

ZIP 11790 (Stony Brook, NY) shows an average homeowners insurance premium of $2,653 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 997 reported policies. That is 49% above the national average of $1,776 per year, placing this ZIP in the 91th percentile nationally. Compared to the New York state average of $1,896, this ZIP runs 40% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.

The loss ratio for ZIP 11790 is 46.2%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 4.55%, and the average claim severity (amount paid per claim) is $26,959. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 0.18% in this ZIP, a drop of 59.0% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.

Across 5 years (2018–2022), premiums in ZIP 11790 have risen by 4.3%, ranging from $2,543 to $2,653 with a five-year average of $2,593 — an annualized rate of +1.1% 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.