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California Flood Insurance

Get a complete analysis of California flood insurance costs, coverage, and companies.
Christine LacagninaWritten by 
Christine Lacagnina
Author Photo Reviewed by 
Cara Carlone
Updated April 20, 2026
Flooded streets of a California neighborhood. Find California flood insurance.
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Find the Best Flood Insurance Rates and Companies in California

Situated directly on the West Coast, California is prone to flooding events, such as those caused by tsunamis. The state is also home to many major rivers and lakes, such as the Colorado River and the Salton Sea, meaning flooding can occur throughout the landscape. That's why it's critical for residents and property owners in California to get equipped with flood insurance

Luckily, a local independent insurance agent in California can help you find the right flood insurance. They'll get you set up with all the coverage you need to protect your specific property. For starters, though, here's a deep dive into California flood insurance requirements, costs, and more. 

Key Takeaways - California Flood Insurance

  • California flood insurance can pay for repairs, replacements, or rebuilding after natural flood damage to a building's contents, structure, and foundation.
  • The average cost of flood insurance in California is $938 per year, or approximately $78 per month.
  • California's average flood insurance rates are a bit higher than the current national average of $899 per year or approximately $75 per month.
  • Flood insurance can be required in California if your property is located in a high-risk flood area or if you have a mortgage.
  • Working with a local independent insurance agent is strongly recommended, as they can tailor a policy to your unique property and coverage needs.

The Best Flood Insurance Companies in California

You can buy the coverage you need from a private California flood insurance agency. If you're looking for the best California flood insurance company, here are a few of our top recommendations to help you get started. 

  • Stillwater: This carrier sells flood insurance, along with several other kinds of personal insurance and commercial insurance. Stillwater has excellent official ratings, offers several discounts, and provides 24/7 claims reporting. 
  • Nationwide: This carrier sells flood insurance in addition to a large catalog of personal and business insurance products. Nationwide has outstanding official ratings, affordable premium rates, and offers 24/7 claims reporting. 
  • REInsure Pro: This carrier sells flood insurance along with many other types of personal insurance products. REInsure Pro works with independent insurance agents and offers fast claims responses.

A local independent insurance agent can help you compare California insurance quotes and coverage options from these outstanding carriers and others in your area. 

How to buy flood insurance in California

California flood insurance services and policies are available from FEMA's National Flood Insurance Program (NFIP) and from private insurance companies located in the state. Working with a local independent insurance agent can help you find the right policy for your unique property with ease. These agents have access to several flood insurance carriers, so they can compare California flood insurance reviews for you to find the best coverage at a great price from a top-rated insurer.

Is Flood Insurance Required in California?

Sometimes, yes. Properties in California that are located in high-risk flood zones are often required to have flood insurance. You might also be required by your lender to have coverage if you have a mortgage on your property.

Regardless of whether coverage is mandatory, having flood insurance can be a safe bet. Standard homeowners insurance and business insurance policies won't pay for repairs or replacements after natural flood damage. Having flood insurance can help you avoid potentially catastrophic out-of-pocket losses that wouldn't be covered by other policies. 

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What Does Flood Insurance Cover in California?

In California, flood insurance can reimburse you for natural flood damage to a building's structure, foundation, and the contents inside. Coverage is broken down into two categories:

  • Buildings coverage: Covers the building's foundation, structure, and all of the following:
    • Refrigerators, cooking stoves, and built-in appliances like dishwashers
    • Electrical and plumbing systems
    • Permanently installed cabinets, paneling, and bookcases
    • Permanently installed carpeting
    • Detached garages
    • Window blinds
    • Foundation walls, anchorage systems, and staircases
    • Fuel tanks, well water tanks and pumps, and solar energy equipment
    • Furnaces and water heaters
  • Contents coverage: Covers personal property stored inside the insured building, including all of the following:
    • Freezers and the food they contain
    • Clothes washers and dryers
    • Clothing, furniture, and electronic equipment
    • Certain valuable items, such as original artwork and furs, up to $2,500
    • Curtains
    • Portable and window air conditioners
    • Portable microwave ovens and portable dishwashers
    • Carpets that are not included in building coverage

A California independent insurance agent can help you find all the flood insurance coverage you need in each category. 

What's Not Covered by Flood Insurance in California?

California flood insurance excludes coverage for flooding caused by sewer issues, such as backups and line breaks. Your independent insurance agent can help you add a sewer backup endorsement to your home insurance policy if you'd like this protection. Flood insurance also usually won't cover any of the following:

  • Additional living expenses for homeowners
  • Business interruptions
  • Personal property kept in a finished basement
  • Damage caused by earth movement
  • Mold, mildew, or moisture remediation
  • Property kept outside your home, such as decks, hot tubs, and swimming pools
  • Currency, precious metals, and important papers
  • Landscaping features
  • Damage to vehicles*

*Be sure to ask your California independent insurance agent about adding comprehensive coverage to your auto insurance, since vehicles are not covered by a flood insurance policy.

How Much Does Flood Insurance Cost in California?

California flood insurance costs an average of $938 per year, or approximately $78 per month. This is a bit more expensive than the current national average flood insurance rate of $899 per year, or approximately $75 per month. 

Local flood insurance rates are set by FEMA and the NFIP using the California flood insurance rate map. California flood insurance rates can also be impacted by the following factors:

  • The type of coverage you purchased
  • Whether or not your home has a basement
  • The deductible and amount of coverage you need
  • Your home's flood zone designation
  • The location, design, building materials, and age of your home
  • The value of your home’s contents 

Your independent insurance agent can help you find the most affordable California flood insurance in San Diego or wherever you reside.

California Flood Zones

To determine your California flood risk assessment, visit FEMA's official website. The following comprehensive and user-friendly documents are also available for residents and property owners on this website:

  • California flood zone maps
  • Los Angeles, California flood maps
  • California flood zone map PDFS
  • California flood plain maps

A property's California flood zone designation can also affect the cost of flood insurance premiums. Wherever your property is located, an independent insurance agent can help you find cheap flood insurance in California. 

California cities with the highest flood risk

Properties located along the coast or near rivers and lakes in California are more prone to flooding events and damage than others. Further, if you live or own property in any of these cities, you may be required to have flood insurance:

  1. San Mateo
  2. Redwood City
  3. Palo Alto

A local independent insurance agent can help you get equipped with all the required state of California flood insurance. 

The Best Flood Insurance Discounts in California

California flood insurance discounts are offered by private flood insurance companies and FEMA's NFIP.

  • Private flood insurance companies: Depending on the insurance company you obtain a policy from, flood insurance discounts can be offered for several reasons, such as for taking flood-proofing measures to protect your property or for being affiliated with certain organizations. 
  • FEMA and the NFIP: FEMA offers flood insurance discounts for newly mapped properties and for those in communities that participate in the Community Rating System. The organization's flood insurance discounts range from 5% to 45% and are determined by a property's classification.

An independent insurance agent in California can help you find all the flood insurance discounts and savings you're eligible to receive. 

How to Apply for Flood Insurance in California

When shopping for flood insurance in California, there are three easy options:

  1. FEMA's National Flood Insurance Program (NFIP)
  2. Private flood insurance companies in California
  3. Local independent insurance agents in California

Option three can provide you with the easiest and most efficient results. Local California independent insurance agents know where to find the best flood insurance coverage at an affordable rate. 

How to File a Flood Insurance Claim in California

Once a flooding event damages your home or business, it's critical to contact your independent insurance agent or flood insurance carrier right away to report the incident. This also helps to initiate the claims process in a timely fashion. Next, you'll need to complete the following easy steps:

  1. Gather evidence: Wait for officials to inspect your property and determine it is safe for reentry after the flood. Next, prepare photo and video evidence, along with a detailed written report of all property damage for your carrier. 
  2. Work with your claims adjuster: Your flood insurance company will schedule a home inspection visit from a claims adjuster to assess the damage. Your adjuster might be able to offer you a claim payout estimate during their assessment. 
  3. Receive payment: Finally, you'll be issued your claim payout in either a direct deposit or a check sent in the mail. The amount you receive depends on your coverage terms and the extent of the damage. 

Your California independent insurance agent can file a claim for you directly through your carrier. They can update you throughout the process, including when you can expect to receive reimbursement. 

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FAQs About California Flood Insurance

What is the average cost of flood insurance in California?

The average cost of flood insurance in California is $938 per year, or approximately $78 per month. 

What is the best flood insurance company in California?

We compared several companies and determined that Stillwater is the best flood insurance carrier in California. Stillwater has excellent official ratings, offers several discounts, and provides 24/7 claims reporting. 

Do you need flood insurance in California?

You might, depending on where your property is located. If you own property in a high-risk flood zone, you'll likely need flood insurance. Further, if you have a mortgage on your property, your lender will probably require you to have coverage. 

Why work with an independent agent in California when shopping for flood insurance?

California independent insurance agents can help you find the flood insurance you need from a top-rated local carrier. Independent insurance agents work hard to find quality coverage at the most affordable rate. They'll shop and compare flood insurance quotes from several carriers for you. 

And down the road, they can help you file flood insurance claims or update your coverage as needed. Your agent can help you find flood insurance in Costa Mesa or wherever you reside.

Sources

https://www.nerdwallet.com/insurance/homeowners/learn/flood-insurance-cost

https://firststreet.org/neighborhood/california-ca/188631_fsid/flood