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Guide to flood insurance for homeowners

Updated Oct 01, 2024

The United States has experienced an urban flooding event every two to three days for the past 25 years. In fact, from 2017 to 2019, more than 40 percent of National Flood Insurance Program (NFIP) insurance claims came from properties outside of flood hazard zones.

Floods are also expensive — in any given year, floods cause about $8.5 billion in damage. Yet, flood damage is not covered by a standard home insurance policy. To be financially protected from a flood, you’ll need flood insurance through the NFIP or a private flood insurance company.

Bankrate's insurance editorial team, which includes licensed agents with real-world experience, has put together this guide to help you make informed decisions about flood insurance.

Bankrate insight

  • Floods are the most common natural disaster in the U.S., and just one inch of water can cause $25,000 in damage to your home.
  • A standard homeowners insurance policy does not cover damage caused by flooding.
  • Flood insurance may be required if you have a government-backed mortgage and live in a flood zone.
  • You typically have to pay a flood insurance policy premium in full when purchasing.
  • Most flood insurance policies have a 30-day waiting period before your coverage takes effect unless you purchase coverage from a private insurer.

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Powered by Coverage.com (NPN: 19966249)

Advertising disclosure
This advertisement is powered by Coverage.com, LLC, a licensed insurance producer (NPN: 19966249) and a corporate affiliate of Bankrate. The offers and links that appear on this advertisement are from companies that compensate Coverage.com in different ways. The compensation received and other factors, such as your location, may impact what offers and links appear, and how, where and in what order they appear. While we seek to provide a wide range of offers, we do not include every product or service that may be available. Our goal is to keep information accurate and timely, but some information may not be current. Your actual offer from an advertiser may be different from the offer on this advertisement. All offers are subject to additional terms and conditions.

Coverage.com, LLC is a licensed insurance producer (NPN: 19966249). Coverage.com services are only available in states where it is licensed. Coverage.com may not offer insurance coverage in all states or scenarios. All insurance products are governed by the terms in the applicable insurance policy, and all related decisions (such as approval for coverage, premiums, commissions and fees) and policy obligations are the sole responsibility of the underwriting insurer. The information on this site does not modify any insurance policy terms in any way.

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What is flood insurance and how does it work?

Similar to home insurance, flood insurance offers financial protection if your home and personal belongings are damaged by flooding. Flooding is defined as an overflow of water onto land that is typically dry, but flood policies do have some limitations. Mudslides, for example, are not typically covered by flood insurance, whereas mudflows usually are. Similarly, damage from a burst pipe or sump pump is also not considered damage from a flood.

Having flood insurance may be beneficial because flood-related losses are not covered under traditional homeowners, condo owners or renters insurance policies. Flood insurance policies are offered through the NFIP and some private insurance companies. However, a few homeowners insurance companies, such as Kin, offer flood coverage as an endorsement rather than a separate policy.

When you buy flood insurance from the NFIP, your policy does not take effect immediately. There is typically a 30-day waiting period before your coverage goes into effect and you can file a claim. However, this period could be waived in a few scenarios, including if you need flood insurance to close on or refinance a home or if your home has been included in a newly designated flood zone within a certain timeframe. Private flood insurance companies may also offer shorter waiting periods (typically around 10 days).

What does flood insurance cover?

Flood insurance policies from the National Flood Insurance Program come with two types of coverage: dwelling coverage and contents coverage. Here is what’s covered:

  • Dwelling coverage: This is the backbone of your flood insurance and is mandatory to purchase a policy — you cannot waive your dwelling coverage. Dwelling coverage provides financial protection from the damage that flooding can cause to the structure of your home, built-in appliances and attached structures. If you get NFIP coverage, the dwelling insurance portion of your policy is capped at $250,000, regardless of the market value of your home.
  • Contents coverage: Contents coverage covers your personal belongings, including your clothing, furniture and home decor, up to your policy limits. This is optional coverage and you can purchase NFIP flood policies without personal property coverage. NFIP policies cap contents coverage at $100,000.

Private insurance companies may offer more policy options, higher dwelling and contents limits and different flood insurance rates compared to NFIP policies. To determine if you need higher flood insurance coverage limits, you might want to consider your dwelling and contents coverage limits in your standard homeowners policy and compare that against the likelihood of catastrophic-level flood damage occurring above the $250,000 and $100,000 limits.

Another benefit of private flood insurance is that policies can often be activated within 10 days or less, versus the 30-day waiting period for NFIP plans. Keep in mind, however, that private carriers may impose a moratorium if there is an impending storm or other major weather event. As with home insurance, getting quotes from a few different private flood insurance carriers can help you find the best flood insurance for your needs at the most affordable price.

What is not covered under flood insurance?

Like home insurance policies, flood insurance policies have exclusions. These can include:

  • Damage caused by moisture, mildew or mold that could have been prevented
  • Damage caused by earth movement, including landslides
  • Damage to outdoor structures like decks, patios and pools and landscaping
  • Additional living expenses if you are displaced due to flood damage to your home

Because flood insurance is designed to cover damage caused by true floods, your policy might not cover sources of internal water damage, such as failed sump pumps or burst pipes. These types of accidental and sudden water damage might be covered by your home insurance policy, depending on the additional coverage you have. However, keep in mind that these coverage types may require riders or endorsements and an added cost.

Is flood insurance required?

In some cases, yes. Flood insurance is mandatory for homeowners living in high-risk flood areas with federally funded homes. Some of the most common government-backed mortgages are FHA, USDA and VA home loans. Lenders for other types of mortgages are also likely to mandate flood coverage if the property is located in an area with a history of flooding.

A flood can happen almost anywhere, though — not just on coasts or near riverbeds. The Federal Emergency Management Agency (FEMA) reports that, between 1996 and 2019, 99 percent of all U.S. counties experienced a flood event. So even if you’re not required to have flood insurance, most insurance experts recommend carrying it.

As mentioned, homeowners insurance, condo insurance and renters insurance policies may offer protection for plumbing-related water damage and water leaks, but they will not cover losses due to naturally occurring floods. This is because flooding is often devastating to an entire region, which can lead to a significant number of claims all at once.

Is flood insurance worth it?

Most insurance experts agree that flood insurance is worth it for many homeowners. In 2019, the average claim payout from an NFIP policy was $52,000. Since flood damage isn’t covered by a home insurance policy, homeowners without flood insurance would be on the hook for those repairs.

Flood insurance is usually only required in specific circumstances, such as getting a mortgage on an oceanfront vacation home. However, flood coverage can be a good investment, even if you aren’t terribly concerned about the risk of flood damage. You might consider flood insurance if:

  • Your home is in a flood zone, and you have a government-backed mortgage. Most insurance companies require flood insurance for homes in moderate to high-risk flood zones. Recent Florida legislation requires Citizen policyholders with wind coverage to maintain flood insurance as well as owners with government-backed mortgages.
  • Your home is in a high-risk flood area. You can check your flood risk using FEMA’s mapping tool. If flooding is common or likely in your area, buying a flood insurance policy could be a good idea. Remember that there is typically a 30-day waiting period, so you probably don’t want to wait until there is a storm that could cause flooding in the forecast.
  • Your home is likely to experience a flood event in the near future. According to the latest report from the First Street Foundation, FEMA's risk assessment for flood zones does not account for the increased level of future perception caused by climate change. Therefore, millions of homes not included in the flood zones could experience a severe flood and be without flood insurance. Using online tools such as Flood Factor can help you understand the likelihood of a flood event occurring in your area within the next 30 years.
  • You do not have the finances to repair flood damage. Even if you are not in a flood zone, your property could still flood. If you do not have the finances to repair your home or replace your belongings after a flood, you might want to consider a flood insurance policy.

Types of flood insurance

Originally, flood insurance was included in home insurance. However, due to the expensive and unpredictable nature of flood claims, private insurance started excluding coverage. In 1968, the federal government created the NFIP so that homeowners who lived in areas with high flood risk could purchase financial protection from flooding. Recently, some private insurance companies have developed systems to accurately price flood risk and began offering flood coverage, giving homeowners more options.

When it comes to private flood insurance vs. NFIP coverage, understanding the differences between the programs could help you determine the best flood insurance companies to request quotes from.

National Flood Insurance Program (NFIP)

The National Flood Insurance Program gives homeowners access to federally supported flood insurance. NFIP insurance is available to any homeowner, regardless of flood risk, and offers up to $250,000 in building coverage and $100,000 in contents coverage.

If you own a business, you can purchase an NFIP commercial policy with up to $500,000 in building coverage and up to $500,000 for contents. For both residential and commercial flood policies, these coverage types generally have separate deductibles and may need to be purchased separately.

Flood policies may be issued directly by the NFIP or by various insurance companies through an NFIP program called write your own (WYO) policy. With the WYO program, the insurance company issues and services the policy. However, the NFIP is responsible for paying any approved claims related to the policy.

Private flood insurance

Private flood insurance also covers the structure of your home and its contents from flood damage, except it receives no support from the federal government. Instead, private flood insurers are companies that either rely on a reinsurer or money collected from premiums to cover losses.

Private flood insurance policies can be more robust than NFIP policies, and you might have access to more coverage options and higher policy limits than you do with federally underwritten policies. Additionally, waiting times for private flood insurance might be shorter than the 30-day period NFIP requires.

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NFIP vs. private flood insurance

The two main considerations when choosing a flood insurance provider are cost and coverage. Or, if your mortgage lender requires flood insurance, you may also need to meet their policy requirements. If you only need $250,000 or less in dwelling coverage, an NFIP policy may offer what you need. If you need broader coverage or higher limits, a private policy may be a better route. You can always collect and compare quotes to see what kind of flood insurance best suits your needs and budget.

How much does flood insurance cost?

Under FEMA’s Risk Rating 2.0 program, the average cost of flood insurance is $800 per year. Back in 2021, FEMA changed its method for determining flood insurance costs to include a broader range of statistics.

As of April of 2023, all flood policies have been renewed according to the new rating system. The program is designed to close the price gap between lower-value and higher-value homes and more accurately rate an individual property’s risk of flood damage. Currently, single-family homeowners pay an average of $800 per year for flood insurance through NFIP. Based on the new rating program, the full risk-based cost average is $1,808. Flood premiums are on a glide path and will increase each year until it aligns with the risk-based cost.

If you opt for coverage through a private insurer, rates will vary by company. In addition, the price of your flood insurance will depend on several factors, including:

  • Flood zone and flood risk
  • Home age and construction
  • Coverage limits
  • Deductible level

In many cases, you are required to pay your flood insurance premium upfront and in full each year. However, if you add a flood insurance endorsement to your existing home insurance policy, the premium will likely be added to your home insurance premium, which you can pay on a monthly basis.

How to lower the cost of flood insurance

While flood insurance can be expensive — in some states, it is more expensive than the average home insurance policy — the Risk Rating 2.0 system is expected to lower the cost of flood insurance for some NFIP policyholders. You may also be eligible for a discount if your community participates in the FEMA Community Rating System (CRS). This means that your community has created flood management programs beyond the NFIP requirements.

There are other steps that may help lower your premium, whether you obtain a policy from the NFIP or a private carrier. It may be possible to lower your premium by:

  • Adjusting your policy limits and deductible
  • Providing an annual elevation certificate
  • Retrofitting your home to minimize damage in the event of a claim

Additionally, requesting a quote for flood insurance coverage from more than one carrier or adjusting the policy limits could help you find a flood insurance policy that falls within your budget.

Frequently asked questions

Written by
Shannon Martin
Writer, Insurance
Shannon Martin is a licensed insurance agent and Bankrate analyst with over 15 years of experience in the industry. She enjoys helping others navigate the insurance world by cutting through complex jargon and empowering readers to make strong financial decisions independently.
Edited by Editor, Insurance
Reviewed by Director of corporate communications, Insurance Information Institute