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Flood Figures

ZIP 33957 flood insurance data

Computed from OpenFEMA FIMA NFIP Redacted Policies (v2) and OpenFEMA FIMA NFIP Redacted Claims (v2). Policy data as of June 1, 2026; claims recorded through June 1, 2026.

As of June 1, 2026, 6,082 NFIP flood insurance policies are in force in ZIP 33957 (Sanibel, FL), with 7,034 flood claims recorded since 1978.

Policies & premiums

Policies in force
6,082
Median annual premium
$1,739
premium only
Median annual cost
$2,262
premium + fees & surcharges
Mean annual premium
$2,993
premium only
Policies in SFHA zones
99.6%
zones A, AE, AH, AO, V, VE
Building coverage in force
$1,358,895,200
Contents coverage in force
$264,490,000

"Premium" is the policy premium alone; "cost" adds federal fees and surcharges. In-force counts are an approximation derived from policy effective, termination, and cancellation dates — see methodology.

Flood zones of insured properties

NFIP policies in ZIP 33957 by rated flood zone
Policies Share Share bar
AE 5,151 84.7%
VE 845 13.9%
X 33 0.5%
A13 20 0.3%
A 12 0.2%
A11 7 0.1%
A12 4 0.1%
A09 3 0.0%
A10 3 0.0%
AO 2 0.0%
V20 1 0.0%
V16 1 0.0%

Distribution of insured properties by the flood zone used in their policy rating — not a map of land area. Numbered zones (A1–A30, V1–V30) and Zones B and C appear on older FEMA map panels; B and C correspond to today's shaded and unshaded Zone X.

What the policies cover

NFIP policies in ZIP 33957 by occupancy type
Policies Share Share bar
Single-family homes 2,762 45.4%
Multi-unit buildings 2,344 38.5%
Units in multi-unit buildings 644 10.6%
Non-residential buildings 297 4.9%
Mobile homes 35 0.6%

Claims history since 1978

Claims since 1978
7,034
Total paid
$692,341,226
Paid on buildings
$633,516,131
Paid on contents
$58,351,621
NFIP claims filed per year in ZIP 33957, 1978–2026. Rust bars mark the top loss years by dollars paid (also listed below).
Claims by year (data table)
YearClaimsPaid
1978 1 $629
1980 2 $0
1981 1 $295
1982 55 $57,333
1983 5 $1,611
1984 2 $0
1985 50 $91,908
1986 2 $15,840
1987 3 $180
1988 40 $199,067
1991 1 $45,980
1992 10 $129,121
1993 13 $13,237
1994 2 $0
1995 25 $14,950
1998 5 $2,268
1999 3 $775
2000 13 $16,496
2001 220 $1,430,540
2002 3 $2,495
2003 1 $1,000
2004 875 $5,282,703
2005 10 $9,523
2008 7 $29,670
2010 1 $0
2012 3 $0
2014 1 $0
2016 5 $174,919
2017 26 $236,486
2018 6 $78,833
2019 2 $0
2020 97 $1,262,921
2021 4 $10,220
2022 4,321 $635,302,395
2023 19 $461,761
2024 1,198 $47,468,069
2025 1 $0
2026 1 $0

Years with no recorded claims are omitted from the table.

Top loss years by dollars paid

Year Claims Paid
2022 4,321 $635,302,395
2024 1,198 $47,468,069
2004 875 $5,282,703

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