Oakland, CA Flood Zone Lookup
Last updated: March 2026
Oakland is vulnerable to coastal flooding along the Bay shoreline and creek flooding from the hills. Critical infrastructure along the waterfront and in low-lying areas is exposed to rising sea levels and storm surge.
Alameda County has recorded 568 NFIP flood insurance claims since 1978, totaling $4.4M in payouts. Explore the full NFIP claims data by state and county to see how this area compares nationally.
FEMA Region
Region 9
NFIP Policies
5,669
Alameda County
Avg. Premium
$874/yr
Alameda County
FEMA Flood Risk Profile: Alameda County
Based on FEMA's National Risk Index, which evaluates flood risk at the county level using historical loss data, exposure, and vulnerability.
Inland Flood Risk
Very HighEst. annual loss: $490.5M
Coastal Flood Risk
Relatively HighEst. annual loss: $4.6M
Source: FEMA National Risk Index, county-level assessment. Individual property risk may vary.
Federal Flood Disaster History: Alameda County
Alameda County has been included in 8 federal flood-related disaster declarations.
...and 1 earlier declaration since 1970.
These declarations affected communities across Alameda County, including Oakland.
Source: OpenFEMA Disaster Declarations Summaries API. Data sourced February 2026.
NFIP Flood Insurance Claims: Alameda County
Properties in Alameda County have filed 568 NFIP flood insurance claims totaling $4.4M in payouts since 1978. The average claim payout is $8K.
Highest-Claim Years
1998
103 claims - $1.1M
1982
72 claims - $60K
2022
43 claims - $1.2M
Claims by Flood Zone
Source: OpenFEMA NFIP Claims API. Data sourced March 2026. See national claims data.
Flood Insurance Coverage: Alameda County
Only roughly 1 in 117 households in Alameda County carries NFIP flood insurance (0.9% of estimated households). With 175 recorded flood events and $18.3M in damage, most flood losses in this county are likely uninsured.
Penetration Rate
0.9%
roughly 1 in 117 households
Historical Claims Ratio
1 in 10
568 claims over 45+ years across 5,669 current policies
Avg. Claim Payout
$7,833
Per claim, county-wide since 1978
Historically, Alameda County has averaged 1 claim for every 10 active policies (since 1978). This compares cumulative claims against today's policy count and does not predict future claim likelihood.
Coverage data: NFIP policies as of March 2026, claims since 1978 (March 2026), population from FEMA NRI. All figures are county-wide and include Oakland.
What Your Flood Zone Means in Oakland
Oakland faces a combination of coastal and inland flood risks. Storm surge from hurricanes and tropical storms pushes seawater inland, while heavy rainfall simultaneously overwhelms rivers, bayous, and drainage infrastructure. This dual threat means flooding can come from multiple directions at once. The most common FEMA flood zone designations in Oakland are Zone AE, Zone VE, Zone X. FEMA's National Risk Index estimates the county's annual expected loss from inland flooding at over $490.5M. Properties in Oakland's VE zones face additional wave action risk beyond still-water flooding, which typically results in higher insurance premiums and stricter building requirements.
Combined coastal and inland flood exposure in Oakland means properties may face higher premiums than areas with only one flood source. FEMA's Risk Rating 2.0 accounts for multiple flood sources, including coastal surge distance, river proximity, and rainfall-driven flooding. If your property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance.
Flood maps in areas with combined coastal and inland risk are among the most complex in the FEMA system. Major storms often trigger FEMA restudies that can significantly shift zone boundaries. Letters of Map Revision (LOMR) after hurricanes may expand SFHA coverage as new storm data is incorporated. Use our free lookup tool to check the current flood zone for any Oakland address.
Repetitive Loss Properties: Alameda County
Alameda County has 13 properties with multiple flood insurance losses, including 2 severe repetitive loss properties. Severe repetitive loss is a subset of multiple loss, not a separate count. Data sourced March 2026.
Multiple Loss
13
2+ claims within 10 years
Severe Repetitive Loss
2
4+ claims or 2 exceeding value
Mitigated
0
Received FEMA mitigation
By Flood Zone
Zone data available for 12 of 13 properties.
Source: OpenFEMA NFIP Multiple Loss Properties. Data sourced March 2026.
Recorded Flood Events: Alameda County
NOAA has recorded 175 flood events in Alameda County since 1996, causing $18.3M in damage and 1 death.
Costliest Events
Events by Type
Source: NOAA Storm Events Database, 1996-2026. Data sourced March 2026.
Flood Mitigation: Alameda County
FEMA has funded mitigation for 1,568 properties in Alameda County, investing $317K in flood risk reduction. Common mitigation actions include acquisition (buying and demolishing flood-prone structures), elevation (raising buildings above flood level), and safe rooms (wind/storm shelters for tornado and hurricane protection).
By Action Type
Source: OpenFEMA Hazard Mitigation Assistance. Data sourced March 2026.
Oakland, CA Flood Zone FAQ
What flood zones are in Oakland, CA?
The most common FEMA flood zones in Oakland are Zone AE, Zone VE, Zone X. Properties in these high-risk zones (SFHA) may require flood insurance with a federally regulated or government-backed mortgage.
Is flood insurance required in Oakland?
If your Oakland property is in a Special Flood Hazard Area (SFHA) and you have a federally regulated or government-backed mortgage, federal law generally requires your lender to ensure you carry flood insurance. Properties in Zone X are not federally required to carry flood insurance, though coverage is still recommended since over 40% of all NFIP flood claims come from Zone X properties.
How do I check my flood zone in Oakland?
Enter your Oakland address in the search tool above for an instant flood zone determination. Results include your FEMA flood zone, SFHA status, base flood elevation (if available), and FIRM panel information, pulled directly from FEMA's National Flood Hazard Layer.
How high is flood risk in Oakland?
According to FEMA's National Risk Index, Alameda County (where Oakland is located) has a "Very High" rating for inland flood risk. The estimated annual flood loss for the county is $490.5M. This county-level assessment considers historical flood losses, social vulnerability, and community resilience.
Has Oakland experienced major flooding events?
Alameda County, where Oakland is located, has been part of 8 federal disaster declarations for flooding, hurricanes, or severe storms. The most recent was Severe Winter Storms, Flooding, Landslides, and Mudslides in 2023. Federal disaster declarations are issued when flooding overwhelms local resources and triggers FEMA assistance programs.
How many flood insurance claims have been filed in Oakland?
Alameda County has recorded 568 NFIP flood insurance claims totaling $4.4M in payouts since 1978. The year with the most claims was 1998, with 103 claims and $1.1M in payouts. These figures cover all NFIP claims in the county, including Oakland.
How many flood insurance policies are active in Oakland?
Alameda County currently has 5,669 active NFIP flood insurance policies with an average annual premium of $874. The most policies are in Zone AE (3,190 policies). These figures cover all active NFIP policies in the county.
How many Oakland properties have flooded repeatedly?
Alameda County has 13 properties with multiple flood losses on record, including 2 severe repetitive loss properties. These are properties that have experienced four or more NFIP claims of $5,000+ or two claims exceeding the building value.
Can my Oakland property be removed from a high-risk flood zone?
Yes, if your property's natural ground elevation is above the Base Flood Elevation and FEMA inadvertently mapped it in a high-risk zone, you can apply for a Letter of Map Amendment (LOMA). A successful LOMA removes the property from the Special Flood Hazard Area, generally eliminating the federal mandatory flood insurance requirement. You will need an elevation certificate from a licensed surveyor. If a property was raised above the BFE with fill material, the process is a LOMR-F rather than a LOMA.
What is Base Flood Elevation in Oakland?
Base Flood Elevation (BFE) is the predicted height of floodwaters during a 1% annual chance (100-year) flood, shown on FEMA maps as an elevation number in feet above sea level. In Oakland's Zone AE and Zone VE areas, BFE lines appear on the FIRM as wavy contours labeled with elevation values. Properties with a lowest floor at or above the BFE typically qualify for significantly lower NFIP flood insurance premiums.
Other California Cities
Understanding Flood Zones
Look Up Any Oakland, CA Address
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Disclaimer: Flood risk data on this page is sourced from FEMA datasets including the National Risk Index, NFIP claims and policy records, disaster declarations, and the Community Rating System. These datasets were last extracted on March 2026 and may not reflect the most recent changes. This page is for informational purposes only and is not a certified flood zone determination. Always verify current flood zone status through FEMA or a licensed determination provider before making property, insurance, or lending decisions.