ZIP 03874 Insurance Data
Seabrook, New Hampshire · Rockingham County · 376 policies
Data Snapshot: ZIP 03874 (Seabrook, NH)
ZIP 03874 (Seabrook, NH) shows an average homeowners insurance premium of $1,367 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 376 reported policies. That is 23% below the national average of $1,776 per year, placing this ZIP in the 36th percentile nationally. Compared to the New Hampshire state average of $1,428, this ZIP runs 4% below, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 03874 is 29.5%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 2.91%, and the average claim severity (amount paid per claim) is $13,846. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 0.71% in this ZIP, a drop of 46.9% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 03874 have fallen by 1.2%, ranging from $1,349 to $1,383 with a five-year average of $1,363 — an annualized rate of -0.3% 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 03874 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $1,383 | — |
| 2019 | $1,354 | -2.0% |
| 2020 | $1,349 | -0.4% |
| 2021 | $1,364 | +1.2% |
| 2022 | $1,367 | +0.2% |
5-Year Trend Summary
Similar ZIP Codes in New Hampshire
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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 03874? ▼
What affects homeowners insurance costs in Seabrook, NH? ▼
Is homeowners insurance expensive in ZIP 03874 compared to the national average? ▼
What is the nonrenewal rate in ZIP 03874? ▼
How have premiums trended in ZIP 03874 over 5 years? ▼
How does ZIP 03874 compare to the New Hampshire state average? ▼
Read our methodology — how this data is sourced, computed, and verified.