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Anchorage Municipality, Alaska Flood Zones

Check an Address in Anchorage Municipality

Enter any address in Anchorage Municipality, Alaska to see its FEMA flood zone

Read First-Hand Flood Stories from Anchorage Municipality

1 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

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Flood Risk Data for Anchorage Municipality

Anchorage Municipality, Alaska has recorded 1 flood-related events since 1996 according to NOAA's Storm Events Database. The county has received 7 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Anchorage Municipality Disaster History

FEMA Disaster Declarations (1995–2020)

Disaster Declarations
7
Flood/Coastal Disasters
1
Latest Disaster
Covid-19 (2020-01-20)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Anchorage Municipality

DeclarationTypeDate
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
EarthquakeEarthquakeNov 30, 2018
Severe Winter Storm, Including High Winds And Freezing TemperaturesSevere StormMar 6, 2003
Severe Winter Storms And AvalanchesSevere StormDec 21, 1999
FloodingFloodSep 18, 1995

Recorded Flood Events in Anchorage Municipality

NOAA Storm Events Database (1996–2025)

Total Flood Events
1
River/Area Floods
1
Total Property Damage
$250,000

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Anchorage Municipality

TypeDateDamage
FloodDec 1, 2020250.00K

Anchorage Municipality Flood History

Flood — Dec 1, 2020

A large plume of concentrated moisture or Atmospheric River (AR) with an associated low-pressure system moved across the Pacific Ocean and transported tropical moisture from the southwest which impacted Southeast Alaska (SEAK) from December 1st through December 2nd. This event brought widespread significant, and sometimes historic record setting rainfall to locations across Southeast Alaska. Th...

Source: NOAA National Weather Service Storm Events Database.

Anchorage Municipality NFIP Flood Insurance Claims

Total Claims Filed
63
Total Paid Out
$255,822
Avg Claim
$10,232
Avg Water Depth
9.5 ft

Claims by Flood Zone

A Zones (High Risk)
26
X Shaded (500-yr)
4
X Unshaded (Low)
6

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Anchorage Municipality

FEMA assigns flood zone designations to areas in Anchorage Municipality, Alaska:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

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Flood Insurance in Anchorage Municipality

Properties in Anchorage Municipality, Alaska that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.