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Flood insurance cost in Charleston County, South Carolina

In Charleston County, South Carolina, the lowest private flood insurance quote ran $520 a year and the typical private quote ran $1,193. The NFIP quote ran $1,166.

Insurox Flood Insurance Rate Index, Oct 2024 to Oct 2026. Updated October 9, 2026.

Private and NFIP quotes compared

Lowest private quote
$520
Typical private quote
$1,193
NFIP quote
$1,166

Median annual premiums from 275 carrier quotes. Lowest is the cheapest private quote a property received, typical is the middle one.

By flood zone and property type

GroupLowest privateTypical privateNFIPCarrier quotes
Residential properties$520$1,193$1,166275

See what your property is quoted

The index is a median. Your price depends on your flood zone, elevation and coverage. Compare NFIP and private carriers for your address.

Common questions

How much does flood insurance cost in Charleston County, South Carolina?
From Oct 2024 to Oct 2026, the typical private flood insurance quote in Charleston County, South Carolina was $1,193 a year and the lowest private quote a property received was $520. NFIP quotes ran $1,166. These are medians of quotes run through Insurox, not premiums paid, and your own price depends on your property.
Where do these numbers come from?
From 275 carrier quotes returned to property owners who asked for flood insurance quotes through Insurox between Oct 2024 to Oct 2026. A place is only published when at least 20 different properties were quoted there.

More about flood insurance in South Carolina

These figures are statistics about quotes, not an offer of insurance. Read how the index is calculated or go back to the national index.