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What Does Homeowners Insurance Actually Cover for Floods?

Last updated October 31, 2026

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The short answer

The Standard Policy's Water Coverage

Your homeowners policy generally covers sudden and accidental water discharge from within your home. This includes a burst pipe, an overflowing washing machine, or a failed water heater. These are considered internal plumbing failures. The policy may pay for the resulting water extraction, drying, and repairs to damaged walls or floors.

However, if the water originates outside your home and enters, it is often excluded. Groundwater seepage, sewer backups, and water from storms entering through doors or windows usually are not covered. Understanding this distinction between internal and external water sources is crucial for knowing what your standard policy protects.

What Flood Insurance Typically Covers

Flood insurance is a separate policy offered through the National Flood Insurance Program or some private insurers. It specifically covers physical damage from flooding. This includes overflow of inland or tidal waters, unusual and rapid accumulation of runoff, and mudflows. The structure of your home and its foundation are primary coverage points.

Contents coverage for your personal belongings is often an additional purchase. The policy may pay to repair or replace items like furniture, electronics, and clothing damaged by the floodwaters. There are specific limits and deductibles for both building and contents coverage, which you must review carefully.

Common Exclusions in Both Policies

Both standard and flood policies have significant exclusions. They do not cover damage you could have prevented through maintenance. For example, a long-term leak that caused rot is typically excluded. They also generally do not cover the cost to upgrade your home to current building codes during repairs.

Intentional loss is never covered. Furthermore, most policies exclude damage from water that backs up through sewers or drains unless you buy a separate endorsement. Understanding these exclusions helps you avoid surprises when filing a claim.

  • Damage from moisture, mildew, or mold that could have been prevented after the initial event
  • Loss of use or additional living expenses if your home is uninhabitable
  • Property outside the building, like landscaping, decks, or swimming pools
  • Currency, precious metals, and valuable papers
  • Damage caused by earth movement, even if a flood triggers it
  • Sewer backup unless that specific endorsement is added to your policy

The Claims Process for Flood Damage

If you have flood damage, you must contact your flood insurance provider immediately to start a claim. Document everything extensively. Take photographs and videos of the water level and all damaged items before any cleanup begins. Create a detailed list of damaged property, including descriptions, age, and estimated value.

Do not dispose of damaged items until an adjuster has seen them. You are responsible for preventing further damage, so reasonable drying and protection efforts are expected. Keep all receipts for temporary repairs. The insurer's adjuster will inspect the damage to determine the covered loss amount.

Protecting Your Home from Water Damage

While insurance is critical, preventing water intrusion saves significant stress. Regular home maintenance is your first defense. If you live in Baltimore, keep your shutoff valve location written down. A humid subtropical climate with hot humid summers and cool winters makes proper ventilation and moisture control vital to prevent secondary mold issues.

For immediate water emergencies, local water damage pros perform emergency water extraction and structural drying. These services can mitigate damage, which may help your insurance claim. For long-term prevention, consider services like leak detection or improving drainage around your property to reduce flood risk.

  • Install a sump pump with a battery backup in your basement
  • Keep gutters clean and extend downspouts away from your foundation
  • Grade your yard so water flows away from the house
  • Know the location of your main water shutoff valve
  • Consider installing water leak sensors near appliances and in basements
  • Seal cracks in your foundation and basement walls

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Frequently asked questions

Does homeowners insurance cover a flooded basement?

It depends on the water source. If the flood is from a burst pipe inside, your policy may cover it. If it's from heavy rain or groundwater seeping in, it is likely excluded. You need a separate flood policy for external water entering the basement.

How can I tell if I need flood insurance?

Check your property's flood zone on the FEMA Flood Map Service Center. Even properties outside high-risk zones can flood. If your standard policy excludes external water, purchasing flood insurance is a prudent financial decision to protect your largest investment.

What should I do immediately after a flood?

Ensure everyone's safety and avoid electrical hazards. Contact your insurance company to report the loss. Document all damage with photos before cleaning. Remove standing water and wet items quickly to prevent mold, but keep samples for the adjuster. Consider professional water extraction.

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