ZIP 11749 Insurance Data
Islandia, New York · Suffolk County · 592 policies
Data Snapshot: ZIP 11749 (Islandia, NY)
ZIP 11749 (Islandia, NY) shows an average homeowners insurance premium of $2,222 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 592 reported policies. That is 25% above the national average of $1,776 per year, placing this ZIP in the 82th percentile nationally. Compared to the New York state average of $1,896, this ZIP runs 17% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 11749 is 29.7%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 3.79%, and the average claim severity (amount paid per claim) is $17,430. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 0.42% in this ZIP, a rise of 73.9% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 11749 have risen by 8.6%, ranging from $2,046 to $2,222 with a five-year average of $2,130 — an annualized rate of +2.1% 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.
How ZIP 11749 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $2,046 | — |
| 2019 | $2,117 | +3.4% |
| 2020 | $2,103 | -0.7% |
| 2021 | $2,160 | +2.7% |
| 2022 | $2,222 | +2.8% |
5-Year Trend Summary
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Related Data
Source: U.S. Department of the Treasury, Federal Insurance Office (FIO) Homeowners Insurance Data (2018-2022). Premiums are ZIP-level averages and may not reflect individual policy costs U.S. Department of the Treasury, Federal Insurance Office (FIO) Homeowners Insurance Data (2018-2022). Premiums are ZIP-level averages and may not reflect individual policy costs
Frequently Asked Questions
How much is homeowners insurance in ZIP 11749? ▼
What affects homeowners insurance costs in Islandia, NY? ▼
Is homeowners insurance expensive in ZIP 11749 compared to the national average? ▼
What is the nonrenewal rate in ZIP 11749? ▼
How have premiums trended in ZIP 11749 over 5 years? ▼
How does ZIP 11749 compare to the New York state average? ▼
Read our methodology — how this data is sourced, computed, and verified.