ZIP 06870 · Fairfield County

Old Greenwich, CT Homeowners Insurance

Homeowners insurance market metrics for ZIP 06870, Old Greenwich, Connecticut.

19.1%
Loss ratio
0.44%
Nonrenewal rate
#5 of 262
Connecticut rank
1,230
Policies

The verdict

Old Greenwich, CT (ZIP 06870) averages $5,699/yr for homeowners insurance, 221% above the U.S. average, placing it in the 99th percentile nationally.

$5,699
Avg premium (2022)
+221%
vs U.S. average
+5.0%
since 2018
99th
national percentile

According to U.S. Treasury Federal Insurance Office data. How we calculate the percentile and national comparison: methodology.

Avg Premium (2022)
$5,699/yr
+5.0% since 2018
Loss Ratio
19.1%
Claims paid vs premiums
Claim Frequency
7.39%
Avg severity: $14,746
Nonrenewal Rate
0.44%
-20.3% change

Data Snapshot: ZIP 06870 (Old Greenwich, CT)

Homeowners in ZIP 06870 (Old Greenwich, CT) pay an average of $5,699 per year for insurance as of 2022, according to U.S. Treasury FIO ZIP-level data across approximately 1,230 reported policies. Nationally, that ranks ZIP 06870 in the 99th percentile, 221% above the U.S. average of $1,776 per year. The Connecticut statewide average is $2,258 per year; this ZIP sits 152% above that figure, ranking #5 of 262 tracked ZIPs in Connecticut by premium. The closest-priced peer within Connecticut is Riverside (ZIP 06878) at $5,541, essentially matching this ZIP's rate.

The loss ratio for ZIP 06870 is 19.1%, meaning insurers retained a working margin after claims. About 7.39% of policyholders in this ZIP file a claim annually, and the average claim severity (amount paid per claim) is $14,746. The nonrenewal rate here is 0.44%, a drop of 20.3% over the past five years, the share of policies insurers choose not to extend at expiration, often a leading sign of market stress.

Over the 2018–2022 window, ZIP 06870 premiums risen 5.0%, spanning $5,426 to $5,754 (five-year average: $5,591), an annualized rate of +1.2% per year.

How to read these numbers

The figures on this page come from the U.S. Treasury Federal Insurance Office, which collects homeowners insurance premium and claims data directly from the largest property insurers in the country. Because the data is aggregated at the ZIP-code level and averaged across many policies, it describes the typical cost in an area rather than a quote for any single home. Two houses on the same street can pay very different premiums depending on their age, construction type, roof condition, prior claims, and the specific coverage limits and deductibles the homeowner selects. The loss ratio shows how much of every premium dollar insurers paid back out as claims; a ratio above one means carriers lost money locally, which often precedes rate increases or carrier exits. Rising nonrenewal and claim frequency reveal how stressed the local market has become. Use these figures to gauge the direction and scale of costs in your area, then request quotes from several licensed carriers before buying or renewing a policy. 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

vs National Average
$5,699 vs $1,776
221% above national avg
vs Connecticut Average
$5,699 vs $2,258
152% above state avg
National Percentile
99th percentile
More expensive than most ZIPs

Premium History

Average premium in ZIP 06870, 2018–2022

$5,400$5,500$5,600$5,700$5,800 20182019202020212022 $5,699
Average homeowners premium per year in ZIP 06870.
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

5-Year Avg Premium
$5,591
Premium Range
$5,426 - $5,754
Annual Change Rate
+1.2% per year
Years of Data
5 (2018-2022)

What this means for ZIP 06870

Costs here sit well above the national norm, budget accordingly and shop coverage actively.

FIO figures are ZIP-level market averages across the largest insurers (~80% of the market), not a quote for any single home. Request quotes from multiple licensed carriers before buying or renewing.

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?
Homeowners insurance runs above most of the country in ZIP 06870 (Old Greenwich, CT): $5,699/year as of 2022, the 99th national percentile, #5 of 262 ZIPs in Connecticut. Premiums have changed +5.0% over the past 5 years.
What affects homeowners insurance costs in Old Greenwich, CT?
Three figures shape homeowners insurance costs in ZIP 06870: claims frequency (7.39%), loss ratio (19.1%), and nonrenewal rate (0.44%), together placing this ZIP at the 99th national percentile for cost.
Is homeowners insurance expensive in ZIP 06870 compared to the national average?
At $5,699/yr, ZIP 06870 runs 221% above the national average of $1,776/yr, the 99th percentile nationally.
What is the nonrenewal rate in ZIP 06870?
Insurers decline to renew 0.44% of policies in ZIP 06870 in Connecticut, a drop of 20.3% over the past 5 years.
How have premiums trended in ZIP 06870 over 5 years?
Over the past 5 years, 2018 through 2022, the range in ZIP 06870 runs $5,426-$5,754 (5-year average $5,591). The annualized change rate is +1.2% per year.
How does ZIP 06870 compare to the Connecticut state average?
ZIP 06870 has an average premium of $5,699/yr compared to the Connecticut state average of $2,258/yr. This ZIP is 152% above the state average, ranking #5 of 262 tracked ZIPs in Connecticut by premium.

Every figure on PlainInsure is rendered directly from U.S. Treasury Federal Insurance Office data, no number is typed in by an editor. This page draws directly on U.S. Treasury FIO data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.