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California Flood Insurance: Complete Guide for Homeowners in 2026

California is prone to flooding, which standard homeowners insurance doesn’t cover. You can protect your home by buying flood insurance through the National Flood Insurance Program or private insurance companies.

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Melanie Lockert
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Melanie Lockert
Melanie LockertInsurance, Personal Finance Writer
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  • Host of the Mental Health and Wealth podcast

Melanie is a blogger, author, and speaker specializing in personal finance and debt management. She’s also the author of the blog and book “Dear Debt.”

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Lequita Westbrooks
Lequita WestbrooksSenior Editor

Lequita Westbrooks is a Senior Editor at Insurify. With extensive experience in writing and editing across industries like insurance, personal finance, higher education, and more, she’s passionate about helping readers understand complex topics so they can make informed financial decisions and save money.
Outside of work, Lequita enjoys reading and spending time with her family (and two pups: Bella and Simba).
She holds a bachelor’s degree in English from the University of South Florida.

John Leach
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California has a history of severe flooding going back to at least 1861.[1] More than 7 million Californians live in areas at risk for flooding, yet only about 7% of those households have flood insurance.[2]

The average cost of flood insurance in California is $779 per year, according to data from FEMA’s National Flood Insurance Program (NFIP). Flooding can happen anywhere — inside and outside of high-risk flood zones.

Standard homeowners insurance typically doesn’t cover flood damage.[3] Here’s what you should know about California flood risks, insurance requirements, and how to buy a policy.

Quick Facts
  • California homeowners can check their flood risk by entering their address into FEMA flood maps.

  • Flood insurance has building and contents coverage to protect your home and belongings.

  • California flood insurance policies can vary in cost depending on your county’s specific risk factors.

Do you need flood insurance in California?

You may need flood insurance in California if you have a government-backed mortgage and live in a designated Special Flood Hazard Area (SFHA). Even if you don’t live in a high-risk flood area, your mortgage lender may require flood insurance.

As many as 9 in 10 disasters in California involve flooding, so getting flood insurance can be a smart move.[4] Homeowners insurance generally excludes flood damage, so you would have to pay repair costs out of pocket. A single inch of water could set you back $25,000, according to the Federal Emergency Management Agency (FEMA).[5]

How to determine your flood risk

FEMA provides Flood Insurance Rate Maps that designate areas as low-risk, moderate-risk, or high-risk. You can check your flood risk by entering your address in FEMA flood maps. High-risk areas appear on the maps with letters that start with A or V. Moderate- and low-risk areas appear with letters that start with B, C, or X.

High-risk areas have a 1-in-4 chance of flooding within a 30-year mortgage period. Still, moderate- and low-risk areas account for more than 20% of NFIP flood insurance claims.

You can use the MyHazards tool to assess potential risks in your area, including floods, and access additional resources through the California Department of Water Resources.[6]

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Does homeowners insurance cover flooding?

A standard homeowners policy generally doesn’t cover flooding. It’s one of the major exclusions from home insurance coverage, alongside earthquakes and wear and tear. So if you want to be fully protected, it can be a good idea to get flood insurance and earthquake insurance for peace of mind.

The NFIP defines flooding as “a general and temporary condition of partial or complete inundation of two or more acres of normally dry land area or of two or more properties.”

A flood insurance policy covers only flooding. That means the water comes from the ground, typically due to heavy rain, storm surge, or overflowing bodies of water. Wind-driven rain isn’t considered flooding under NFIP policies, but homeowners insurance may cover the damage if wind damages the home first.

Water damage caused accidentally, such as a burst pipe or leaking appliance, generally falls under homeowners insurance. It’s essential to review your home insurance policy to know what it covers and what it doesn’t.

Cost of flood insurance in California

Various factors affect the cost of flood insurance in California. These include your location, whether you live in a flood zone, your home’s building materials, and the replacement cost.

The average cost of flood insurance in California is $779 per year, which is close to the national average NFIP flood insurance cost of $786 per year. Without the NFIP, California flood insurance costs could rise even higher.

Below are sample costs based on FEMA’s “Cost of Flood Insurance for Single-Family Homes” data from the NFIP pricing approach. Merced County has the lowest average flood insurance cost, at $650 per year, while Sierra County has the highest, at $1,987 per year.

County
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Annual Flood Insurance Cost
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Alameda County$825
Amador County$887
Butte County$755
Calaveras County$913
Colusa County$771
Contra Costa County$1,064
Del Norte County$873
El Dorado County$955
Fresno County$798
Glenn County$688
Humboldt County$914
Imperial County$1,017
Inyo County$879
Kern County$766
Kings County$824
Lake County$1,146
Lassen County$1,508
Los Angeles County$795
Madera County$870
Marin County$1,132
Mendocino County$1,025
Merced County$650
Modoc County$978
Mono County$1,093
Monterey County$914
Napa County$1,197
Nevada County$995
Orange County$795
Placer County$756
Plumas County$1,964
Riverside County$786
Sacramento County$689
San Benito County$1,151
San Bernardino County$914
San Diego County$798
San Francisco County$771
San Joaquin County$857
San Luis Obispo County$819
San Mateo County$897
Santa Barbara County$913
Santa Clara County$1,087
Santa Cruz County$1,020
Shasta County$952
Sierra County$1,987
Siskiyou County$1,034
Solano County$1,021
Sonoma County$913
Stanislaus County$756
Sutter County$657
Tehama County$1,004
Trinity County$900
Tulare County$894
Tuolumne County$775
Ventura County$844
Yolo County$779
Yuba County$798

How flood zones affect home insurance rates

Living in a flood zone may increase your home insurance rates because insurers view these areas as higher-risk. Since homeowners insurance doesn’t cover flooding, you may need to purchase flood insurance as a separate policy, increasing your total insurance costs.

Flood risk is widespread: 99% of U.S. counties have experienced a flood event within the past 20 years, according to FloodSmart.gov. Average NFIP flood insurance claim payments were $82,614 from 2020 to 2024.

In the table below, you can see how annual home insurance premiums vary based on whether you live in a flood zone.

Flood Zone
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Annual Home Insurance Premium
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Not in flood zone$195
In flood zone$158
Disclaimer: Table data is based on real-time quotes from Insurify’s network of 500+ insurance partners. Actual rates may vary depending on the policyholder’s individual profile and coverage needs.

What flood insurance covers in California

A standard homeowners policy protects you in many situations, but it excludes flood damage. Without a flood insurance policy, you could be vulnerable the next time a natural disaster hits. It’s important to note that 90% of natural disasters in the U.S. include flooding.[7]

Here’s what flood insurance covers:

  • Electrical systems

  • Built-in appliances

  • Windows

  • Furnaces

  • Water heaters

  • Floors

  • Drywall

  • Building foundation

  • Cabinets

  • Debris removal

  • Permanently installed carpet

  • Permanently installed bookcases

  • Plumbing systems

  • Fuel tanks

  • Detached garages

  • Solar energy equipment

  • Central A/C equipment

Those items fall under building coverage. You can also purchase contents coverage separately, which may cover flood losses like:

  • Furniture

  • Clothing

  • Electronic equipment

  • Washer

  • Dryer

  • Curtains

  • Microwave

  • Portable or window air conditioners

  • Carpet installed over wood flooring

  • Certain valuable items, such as fur or artwork (up to $2,500)

  • Merchandise or materials used for certain business purposes

What flood insurance doesn’t cover

Flood insurance may cover damage to your building and belongings if you have both building coverage and contents coverage. Coverage applies only if the damage is a direct result of flooding, but it’s crucial to understand potential exclusions. Flood insurance typically doesn’t cover the following:

  • Additional living expenses

  • Hot tubs

  • Swimming pools

  • Currency

  • Precious metals

  • Stock certificates

  • Decks

  • Patios

  • Fences

  • Preventable moisture or mildew damage

  • Vehicles

How to buy flood insurance in California

If you’re looking for flood insurance in California, you have two options: the National Flood Insurance Program and private insurers. NFIP flood policies tend to have lower coverage limits and less flexibility. For example, an NFIP policy has a maximum coverage limit of $250,000 for building coverage and $100,000 for contents coverage.

A private flood insurance policy may offer much higher coverage limits and could include loss of use coverage, depending on the insurance company. Notably, NFIP policies don’t provide loss of use coverage, which helps pay for additional living expenses so you have a place to stay while your home is under repair.

NFIP policies typically have a 30-day waiting period, whereas private flood insurance policies may not.

You can find which insurance companies provide flood insurance in California through the Floodsmart.gov “Find a Flood Insurance Provider” tool. You can buy flood insurance if you live in one of the 22,600 communities that participate in the NFIP and enforce floodplain management regulations.

You may also work with insurance agents to compare pricing and buy flood insurance in California. Comparing flood insurance quotes and coverage options can help you make an informed decision.

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Tips for filing a flood insurance claim in California

If a flood damages your home and you have flood insurance, here’s how to file a claim in California:

  • illustration card https://a.storyblok.com/f/162273/x/456bd9da2f/phone-call-1.svg

    1. Contact the insurance company

    Whether you have flood insurance through the NFIP or a private company, contact the company immediately after the flood. You may be able to find its phone number online or through your policy paperwork. You must submit FEMA’s Proof of Loss form within 60 days.

  • illustration card https://a.storyblok.com/f/162273/150x150/56dd10ca36/climate-change-96x96-yellow_013-flood.svg

    2. Document the damage

    A key part of filing a flood insurance claim is the evidence you provide. Take pictures or videos of the flood damage and create a list of affected items with info such as item type, model, and condition.

  • illustration card https://a.storyblok.com/f/162273/150x150/55b61a5856/jobs-and-professions-96x96-green_017-businessman.svg

    3. Work with an adjuster

    After you file a flood insurance claim, an adjuster will inspect your property and estimate the damage. If you have an NFIP policy, check the adjuster’s Flood Control Number card to confirm their credentials.

  • illustration card https://a.storyblok.com/f/162273/150x150/1f77dd73f2/money-96x96-orange_042-invoice.svg

    4. Receive your claim payout

    Once approved, you’ll receive a claim payout based on the estimated damage and the terms of your policy. NFIP policies may take four to eight weeks to pay out.

Average cost of home insurance in California

The average cost of home insurance in California is $194 per month for a policy with $300,000 in dwelling coverage, according to Insurify data. Premiums vary based on factors like claims history, the age of the home, location, weather risks, and proximity to fire protection.[8]

The below national rates are estimated rates current as of: Tuesday, April 14 at 12:00 PM PDT. 
Insurance Company
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Average Monthly Quote
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Farmers$96
Allstate$111
USAA$129
Travelers$132
Nationwide$134
Chubb$168
Encompass$173
State Farm$177
Foremost$184

California flood insurance FAQs

If you’re shopping for flood insurance in California, check out the additional information below as you research your coverage options.

  • How much does flood insurance cost in California?

    The average cost of flood insurance in California is $779 per year, according to FEMA’s National Flood Insurance Program. You can get flood insurance through the federal government or purchase a private flood insurance policy.

  • Is flood insurance required in California?

    If you own a home in California, you may need to buy flood insurance if you live in a high-risk area and have a government-backed mortgage. Other mortgage lenders may also require flood insurance.

  • Does homeowners insurance cover flood damage in California?

    No. A standard homeowners policy in California typically won’t cover any flood damage. Homeowners, renters, and business owners can get separate flood coverage through the NFIP or a private insurance company.

  • How do you determine if your property is in a flood zone in California?

    You can check whether your property in California is in a flood zone using FEMA’s flood maps. If your property is in a zone that starts with the letter A or V, you live in a high-risk area. If the zone starts with the letter B, C, or X, you live in a moderate- or low-risk area.

  • What is the 80/20 rule in flood insurance?

    The 80/20 rule in flood insurance refers to a co-insurance provision the NFIP uses. Policyholders must insure their building for at least 80% of its replacement cost value. Otherwise, the NFIP may reduce your claim payout due to a co-insurance penalty.

  • How do you file a claim for flood damage in California?

    You can file a claim for flood damage in California with your flood insurance company, whether that’s the National Flood Insurance Program or a private insurance company. Contact the company right away and document the damage to support your claim.

Methodology

Insurify data scientists analyzed rates from more than 180 home insurance companies sourced directly from Insurify’s partner companies and Quadrant Information Services. Rates span all 50 states and Washington, D.C., and quote averages represent the mean price for a given coverage level and geographic area. To ensure data reliability, only insurers meeting minimum quote thresholds were included in the analysis.

Unless otherwise specified, quoted rates reflect the average cost for homeowners with no prior claims and good credit with a home construction year of 1980. The default coverage assumptions include:

Default Coverage Assumptions

  • Dwelling coverage: $300,000
  • Deductible: $1,000
  • Personal property limit: $25,000
  • Liability limit: $300,000

Additional data points beyond these default values are sourced from Insurify’s proprietary database. Rates are updated monthly.

Sources

  1. U.S. Geological Survey. "California's History of Large Storms & Floods."
  2. Public Policy Institute of California (PPIC). "Floods in California."
  3. Insurance Information Institute. "What is covered by standard homeowners insurance?."
  4. National Flood Insurance Program. "Eligibility."
  5. The National Flood Insurance Program for Agents. "Five Facts to Help New Homeowners Protect Against Water Damage."
  6. California Office of Emergency Services. "MyHazards hazard mapping tool."
  7. Department of Homeland Security. "Natural Disasters."
  8. Naic.org. "Why Are My Insurance Premiums Increasing?."
Melanie Lockert
Written byMelanie LockertInsurance, Personal Finance Writer
Melanie Lockert
Melanie LockertInsurance, Personal Finance Writer
  • 10+ years writing on personal finance topics

  • Host of the Mental Health and Wealth podcast

Melanie is a blogger, author, and speaker specializing in personal finance and debt management. She’s also the author of the blog and book “Dear Debt.”

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Melanie is a blogger, author, and speaker specializing in personal finance and debt management. She’s also the author of the blog and book “Dear Debt.”

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Lequita Westbrooks
Edited byLequita WestbrooksSenior Editor
Lequita Westbrooks
Lequita WestbrooksSenior Editor

Lequita Westbrooks is a Senior Editor at Insurify. With extensive experience in writing and editing across industries like insurance, personal finance, higher education, and more, she’s passionate about helping readers understand complex topics so they can make informed financial decisions and save money.
Outside of work, Lequita enjoys reading and spending time with her family (and two pups: Bella and Simba).
She holds a bachelor’s degree in English from the University of South Florida.

John Leach
Reviewed byJohn LeachLicensed P&C Agent, Chief Copy Editor
Photo of an Insurify author
John LeachLicensed P&C Agent, Chief Copy Editor
  • Licensed property and casualty insurance agent

  • 10+ years editing experience

  • NPN: 20461358

John is Insurify’s Chief Copy Editor, helping ensure the accuracy and readability of Insurify’s content. He’s a licensed agent specializing in home and car insurance topics.

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