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Quick answer
Usually only when the mold comes from a covered event, such as a sudden burst pipe, and often only up to a set dollar limit. Most policies exclude mold from slow leaks, humidity, poor maintenance or flooding, and mold that was there before the leak is not covered. Flood insurance through the NFIP generally excludes mold too, apart from limited cleanup of flood-damaged materials. Your own policy decides, so read its mold or fungi section and call your insurer before work starts.
Do this first: protect your claim
If you find mold after a leak, what you do in the next few days can decide whether any of it is covered.
Stop the water and start drying. EPA says that if wet materials are dried within 24 to 48 hours of a leak, in most cases mold will not grow. [1]
Take photos or video of the damage before making any repairs, and do not throw away damaged items until your adjuster has seen them, the Texas Department of Insurance advises. [2]
Report it fast. Texas says you usually must report water damage that was hidden from view within days after you first see it. [2]
Prevent further damage. Maryland's insurance regulator says your policy requires you to take reasonable measures to prevent further damage. [3]
Make temporary repairs only, and keep receipts. Do not make permanent repairs until your insurance company sees the damage. [2]
Ask your insurer two questions on the first call: does my policy have a mold limit, and does it pay for testing and removal?
Stop and call
If the water came from a sewer backup or floodwater, treat it as Category 3: wear gloves, boots and eye protection, and keep children and pets away. If water is near outlets, cords or the panel, do not enter it; turn power off at the panel only if you can reach it from a dry spot, otherwise call the utility or an electrician.
When mold is usually covered, and when it is not
The question insurers ask is what caused the mold. Washington's insurance commissioner says homeowner insurance usually does not cover damage from mold, fungi, rust or rot, unless they come from water damage your insurance covers, and that some insurers provide limited mold coverage. [4] The Insurance Information Institute calls mold, like rot and insect infestation, a home maintenance issue, but says that if mold is the direct result of a covered peril such as a burst pipe, the cost of eliminating it may be covered. [5]
How mold claims usually go under a standard homeowners policy, by cause. Your policy wording controls.
What caused the mold
Usually covered?
What regulators and insurers say
Sudden burst pipe, toilet overflow or broken washer hose
Often, up to any mold limit
Texas: if mold develops on a damaged item from sudden and accidental water damage, it would be covered
Slow leak under a sink or behind a wall for weeks or months
Usually not
Texas: most home policies do not cover gradual leaks or seepage, and that includes the mold from them
High humidity, condensation or poor ventilation
Usually not
III treats mold as a home maintenance issue
Flood or groundwater
Not under homeowners insurance
Home policies do not cover floods; you need a separate flood policy
Mold that was already there before the covered leak
No
Maryland: mold that pre-exists a covered peril is not covered
Sewer or drain backup
Only with a backup endorsement
Florida: homeowners policies do not typically cover water backup; a water backup endorsement adds it
Table sources: Texas Department of Insurance [2], Insurance Information Institute [5], Maryland Insurance Administration [3] and Florida Department of Financial Services. [6] The National Association of Insurance Commissioners sums it up: homeowners policies often exclude covering the cost of damage from mold. [7]
Mold exclusions, limits and endorsements
Even when mold is covered, the payout is often capped. Maryland's regulator answers the question "Is there a limit on how much my policy will pay for mold removal?" with "Yes, often there is a limit," and warns your policy may not cover the full cost of remediation. [3]
What the wording can look like. In the sample HO-3 policy the Insurance Information Institute posts, an older Insurance Services Office form (HO 00 03 10 00), mold, fungus or wet rot is excluded, except for mold hidden within walls or ceilings, beneath floors or above ceilings when it results from an accidental discharge of water from a plumbing, heating or air conditioning system or household appliance. [8] Your policy may use different wording or add a separate mold limit, so check which wording yours uses.
Examples of how mold limits and add-on coverage work, from state insurance regulators and the NAIC
Example
What it says
Source
New Jersey 2002 guidelines for insurers using ISO forms
Offer mold coverage of $10,000 per year in total, with optional limits of $25,000 and $50,000. The $10,000 includes mold damage, removal, tear-out to reach the mold, and air or property testing. Coverage applies only when the mold loss results from a covered peril during the policy period, and the $10,000 cap does not apply to losses from fire and lightning.
NJ Department of Banking and Insurance
Florida mold endorsement
Mold testing, removal or cleaning costs may exceed the limit on your policy; an endorsement lets you raise the mold limit to $25,000 or $50,000, and insurers may offer other limits. A separate liability endorsement covers claims from others over mold in your home.
Florida Department of Financial Services (page undated; accessed Oct. 2026)
Texas
Most home policies do not include mold cleanup and testing after a damaged item is removed; your insurer may let you add coverage for cleanup caused by a covered loss.
Texas Department of Insurance
National
You might be able to buy endorsements to cover damage caused by mold, since most homeowners policies offer limited or no coverage for it.
NAIC Consumer's Guide to Home Insurance
Sources: New Jersey [9], Florida [6], Texas [2] and the NAIC. [10] The New Jersey figures come from a 2002 bulletin, and the Florida page shows no date. Limits vary by state, insurer and policy, so treat these as examples, not what your policy says.
Why the limit matters. HomeAdvisor's June 2026 guide puts the average mold remediation at $2,368, but lists HVAC systems at $3,000 to $10,000, mold inside walls at $1,000 to $20,000 and whole-house jobs at $10,000 to $30,000. [11] A large job can pass a cap like the $10,000 in the New Jersey example. Your deductible also comes out of what the insurer pays: with a $500 deductible on a $10,000 covered loss, the Insurance Information Institute says you would receive $9,500. [12]
Flood insurance and mold: the NFIP rules
Most homeowners and renters policies do not cover flood damage, and a new NFIP flood policy typically has a 30-day waiting period. [13] If you do have flood insurance, its mold coverage is narrow.
Generally excluded. FEMA's NFIP Claims Handbook (August 2024) says that generally, mold is excluded under the Standard Flood Insurance Policy; the policy will not pay to determine the type of mold, recommend a remediation protocol or remediate the mold, including HEPA machines. [14]
What it does pay. The handbook says coverage is limited to removing non-salvageable flood-damaged building material and applying an anti-microbial to prevent mold and mildew, and that basic cleanup can include treatment for mold and mildew. [14]
Acting fast matters. In a FEMA appeal decision posted on FloodSmart, FEMA explains that the policy excludes mold within the policyholder's control, including failure to inspect and maintain the property after the flood recedes. [15]
The exception. The same decision says that if a policyholder is prohibited by civil authority from accessing the property, or could not mitigate because the property was inaccessible due to extensive flooding, the mold damage may be covered. [15]
Some consumer pages put this more loosely. The Insurance Information Institute says federal flood insurance may cover mold that is directly attributable to a flood, and Maryland says flood coverage may extend to mold from a qualifying flood loss. [5][3] FEMA's own handbook is the narrower and more specific text, so plan around it and ask your flood adjuster. FloodSmart's claim page is blunter still: it says to do all you can to prevent the growth and spread of mold, because NFIP policies do not cover damage from mold. It also advises talking to your agent or adjuster before signing a contract with a cleaning or maintenance contractor. [16]
How to file a mold claim
Call your insurer or agent as soon as you find the damage. The Insurance Information Institute says to contact your insurance professional if you believe your mold problem is caused by a covered peril. [5]
Show the cause. Photos of the broken pipe or failed hose, plumber invoices and the date you found the leak help show the water damage was sudden.
Document before, during and after. Maryland advises taking video or photographs of damages before, during and after mitigation, and keeping receipts for mitigation expenses. [3]
Ask for the mold limit in writing, and whether it includes testing, tear-out and additional living expenses.
Get a written scope of work before remediation starts and share it with your adjuster.
In Texas, make sure the mold professional has a state license. Expect to need an inspection showing the mold was removed and the cause was fixed, and a certificate from the mold professional that the mold was removed. [2]
If a claim is denied and you disagree, ask for the denial and the policy wording in writing. The NAIC says your state insurance department can help you work with your insurer to resolve disagreements. [10] Maryland, for example, takes complaints through its website. [3]
Questions to ask your agent before you need them
The NAIC lists "Is mold damage covered?" among the questions to ask when shopping for home insurance. [10] Ask these too, and get the answers in writing.
Does my policy exclude mold, or cover it up to a limit? What is the limit?
Does the mold limit include testing, removal and tearing out walls to reach it?
Can I raise the mold limit with an endorsement, and what does it cost?
Do I have water backup coverage for sewer and drain backups?
Do I need flood insurance, given the 30-day waiting period? [13]
What does my policy say about continuous or repeated leakage? A 2018 Texas Department of Insurance report lists water damage from continuous and repeated leakage or seepage as a common exclusion. [17]
Safe to do yourself
Small patches of mold from everyday humidity are usually a maintenance job, not a claim. EPA says that if the moldy area is less than about 10 square feet, in most cases you can handle the job yourself, and to keep indoor humidity below 60 percent, ideally 30 to 50 percent. [1]
Common questions
Is mold considered water damage by insurance?
Only when it follows water damage the policy covers. Washington's insurance commissioner says homeowner insurance usually does not cover mold unless it comes from covered water damage, such as a sudden leak. [4] Mold from slow leaks or seepage usually is not covered. [2]
Will homeowners insurance pay for mold testing?
Often not on its own. Texas says most home policies do not include mold cleanup and testing after a damaged item is removed, though you may be able to add coverage. [2] As one example, New Jersey's 2002 guidelines for insurers said the $10,000 mold coverage should include testing of air or property. [9]
Does flood insurance cover mold?
Generally not. FEMA's NFIP Claims Handbook says mold is generally excluded, though removing non-salvageable flood-damaged materials and applying an anti-microbial can be covered. [14] In a FEMA appeal decision, FEMA says mold may be covered if a civil authority barred you from the property or extensive flooding made it inaccessible. [15]
Does homeowners insurance cover mold from a roof leak?
It depends on whether the leak was sudden or gradual. Homeowner insurance usually covers sudden leaks but may not cover gradual ones, and usually covers mold only when it comes from covered water damage. [4] Texas advises tarping the roof as a temporary repair and keeping receipts. [2]
Does renters insurance cover mold?
The NAIC describes the renters form as insuring your personal property, not the building. [10] Texas says most homeowner and renters policies cover sudden and accidental water damage, and if mold develops on a damaged item, it would be covered; gradual leaks usually are not. [2] EPA tells renters to report all plumbing leaks and moisture problems immediately to the building owner or manager. [1] Do it in writing.
How do I get my insurance to pay for mold remediation?
Show that a covered event, like a burst pipe, caused it, report it quickly, and document everything before and after cleanup. [2][3] Ask your insurer for the mold limit in writing before work begins. Your policy, not any checklist, decides what is paid.
