ZIP 06870 Insurance Data
Old Greenwich, Connecticut · Fairfield County · 1,230 policies
Data Snapshot: ZIP 06870 (Old Greenwich, CT)
ZIP 06870 (Old Greenwich, CT) shows an average homeowners insurance premium of $5,699 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 1,230 reported policies. That is 221% above the national average of $1,776 per year, placing this ZIP in the 99th percentile nationally. Compared to the Connecticut state average of $2,258, this ZIP runs 152% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 06870 is 19.1%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 7.39%, and the average claim severity (amount paid per claim) is $14,746. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 0.44% in this ZIP, a drop of 20.3% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 06870 have risen by 5.0%, ranging from $5,426 to $5,754 with a five-year average of $5,591 — an annualized rate of +1.2% 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 06870 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $5,426 | — |
| 2019 | $5,454 | +0.5% |
| 2020 | $5,622 | +3.1% |
| 2021 | $5,754 | +2.3% |
| 2022 | $5,699 | -0.9% |
5-Year Trend Summary
Similar ZIP Codes in Connecticut
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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 06870? ▼
What affects homeowners insurance costs in Old Greenwich, CT? ▼
Is homeowners insurance expensive in ZIP 06870 compared to the national average? ▼
What is the nonrenewal rate in ZIP 06870? ▼
How have premiums trended in ZIP 06870 over 5 years? ▼
How does ZIP 06870 compare to the Connecticut state average? ▼
Read our methodology — how this data is sourced, computed, and verified.