Start with what a typical policy distinguishes
Homeowner policies vary, so this guide describes patterns, not promises. Many policies separate a few things that a slab leak mixes together:
| Piece of the loss | How policies often treat it |
|---|---|
| The resulting water damage | Frequently covered when the water escaped suddenly and accidentally, subject to your deductible |
| The pipe repair itself | Often excluded as wear and tear or deterioration |
| Getting to the pipe (tear-out) | Some policies cover the cost of opening the floor or wall to reach a leak, even when the pipe is not covered; others do not |
| Leak that went on for a long time | Gradual leakage and seepage is a common exclusion |
| Mold | Often limited to a capped amount or excluded |
| Foundation damage from a plumbing leak | Treatment varies widely and is worth asking about directly |
Read the exclusions section, look for the words “sudden and accidental,” “continuous or repeated seepage” and “tear out,” and have the policy in hand when you call.
The documentation that helps most
- Photos and video before anything is moved.Wet flooring, damp walls, staining, warm patches and the meter. Date-stamp them if you can.
- A written leak report.A detection report that names the location, the method used and the likely cause is the strongest single document. Ask for it in writing when you book detection.
- Your water bills.A few months of usage show when the leak started and how big it is.
- Receipts for everything.Emergency calls, fans, dehumidifiers, temporary lodging and anything you bought to protect the property.
- Notes on timing.When you noticed the first sign, when you called, when the water was shut off. A short log written as it happens is more believable than one reconstructed later.
- Damaged items.Keep damaged materials until the adjuster has seen them or confirms you can discard them, and photograph them first.
The order that tends to work
- Stop the loss. Shut off water, move what you can and begin drying. Policies usually expect you to protect the property from further damage.
- Report promptly. Many policies have notice requirements, and waiting weakens your position.
- Get the leak located and documented before repairs begin, so the adjuster sees what actually happened.
- Ask before you repair. If a covered loss is involved, ask whether the insurer wants to inspect before the floor is opened.
- Keep the repair estimate itemized. Separate the pipe, the access, the finish work and the drying, because policies pay for these differently.
Questions worth asking your adjuster
- Does my policy cover tear-out and restoration when a pipe leaks under the slab?
- Do you consider this loss sudden, or is it classed as long-term seepage?
- What is the deductible, and does it apply to the access and the water damage separately?
- Is there a mold limit?
- Do you require an inspection or a specific contractor before work begins?
- If you deny or reduce the claim, can I see the policy language you relied on?
If a claim is denied or underpaid, ask for the reason in writing. The Arizona Department of Insurance and Financial Institutions takes consumer complaints about insurers, and a licensed public adjuster or attorney can advise on disputes.
What a contractor can and cannot do
A plumbing contractor can document the leak, write an itemized estimate and explain the repair. They cannot decide your coverage. Be wary of anyone who promises that your insurer will pay, and equally of anyone who suggests inflating a bill. A clear, itemized, honest estimate serves you better in every case.
For a calmer look at the first hours after a discovery, read what to do when you find a slab leak. If you want help gathering the pieces, our Mesa office can provide a written findings report after detection, and the details are on the contact page. Everything we offer is summarized on the SlabGuard Pros home page.
Questions people ask
Do I have to use my insurer's preferred contractor?
Policies differ. Many leave the choice of contractor to you, though some require inspection or approval before work on a covered loss. Ask before you commit.
Will a claim raise my premium?
It can, depending on the insurer and your history. Ask your agent about the effect of filing versus paying a smaller repair yourself.
Can I claim for the pipe if it is old?
Pipe repair is often excluded as wear and tear. Water damage and access costs may be treated differently, so ask about each piece separately.
Should I file even if I am not sure it will be covered?
Reporting a loss and filing a claim are not always the same thing. Ask your agent what notice you owe and what the consequences are, then decide.
Last updated October 16, 2026. This page offers general information to help you understand and describe a problem; it is not a diagnosis of your home. Only an on-site inspection can confirm a leak or the right repair.