ZIP 29418 Insurance Data
North Charleston, South Carolina · Charleston County · 673 policies
Data Snapshot: ZIP 29418 (North Charleston, SC)
ZIP 29418 (North Charleston, SC) shows an average homeowners insurance premium of $2,047 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 673 reported policies. That is 15% above the national average of $1,776 per year, placing this ZIP in the 77th percentile nationally. Compared to the South Carolina state average of $1,765, this ZIP runs 16% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 29418 is 37.0%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 6.01%, and the average claim severity (amount paid per claim) is $12,585. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 12.62% in this ZIP, a rise of 238.1% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 29418 have fallen by 5.7%, ranging from $2,044 to $2,172 with a five-year average of $2,096 — an annualized rate of -1.5% 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 29418 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $2,172 | — |
| 2019 | $2,123 | -2.2% |
| 2020 | $2,095 | -1.3% |
| 2021 | $2,044 | -2.5% |
| 2022 | $2,047 | +0.2% |
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 29418? ▼
What affects homeowners insurance costs in North Charleston, SC? ▼
Is homeowners insurance expensive in ZIP 29418 compared to the national average? ▼
What is the nonrenewal rate in ZIP 29418? ▼
How have premiums trended in ZIP 29418 over 5 years? ▼
How does ZIP 29418 compare to the South Carolina state average? ▼
Read our methodology — how this data is sourced, computed, and verified.