The rule that decides every residential water dispute
One sentence resolves nearly every water argument in a home purchase.
A home warranty covers the failed component. A homeowners policy covers the resulting damage. Neither covers gradual, long-term seepage.
That is why homeowners get denied twice on a single event. The service contract repairs the burst supply line and disclaims the ruined floor. The policy pays for the floor and disclaims the line. If the leak was slow, the policy pays nothing and the contract calls it deterioration.
The two exclusions are not accidental overlaps. They interlock, and the space between them is where uninsured residential losses live.
Side one: the contract covers the component, not the damage
A provider states the principle in its own consumer material: a warranty covers the failed component, not everything affected by it, and if a faulty pipe damages flooring or an appliance ruins cabinetry, that resulting damage is typically not included.
The contract language comes in two constructions, and the difference is not cosmetic. One national form is a liability disclaimer: the provider does not pay and is not liable for secondary or consequential loss or damage, personal or property loss or damage, or bodily injury of any kind. Another is a disclaimer plus an express waiver: the agreement does not cover incidental, consequential, special and/or punitive damages, and the customer agrees to waive all claims for such damages. A disclaimer limits coverage; a waiver attempts to foreclose extra-contractual theories.
Four further terms turn a covered water event into a large out-of-pocket number:
- Access and restoration. One form excludes construction, carpentry, or other modifications made necessary by the repair. Opening a wall or slab and putting it back is the homeowner's — on an under-slab failure, the larger half of the job.
- Pre-existing conditions. The same form covers a prior failure only where it could not have been detected by visual inspection or simple mechanical test. A stained ceiling or a report line item defeats that test.
- The trade service call fee is per trade. One event touching plumbing and an appliance can generate two fees before any cap applies.
- The waiting period. One direct-to-consumer sample applies a 30-day waiting period after payment. Contracts bought with a sale are commonly said to waive it, but that is a term to verify rather than assume.
Side two: the policy covers the damage, on a sudden-and-accidental trigger
The standard owner-occupied policy is built on the ISO HO 00 03, the Homeowners 3 Special Form. "Special form" describes its structure: the dwelling is written on an open-perils basis, insuring against risk of direct physical loss except what the policy excludes, while personal property is written on a named-perils basis. On the building, the exclusions do all the work — the question is never whether a peril is listed, but whether an exclusion reaches it.
The water peril is drafted around suddenness. It insures accidental discharge or overflow of water or steam from within a plumbing, heating, air conditioning or automatic fire protective sprinkler system, or from within a household appliance — then carves out loss to the system or appliance from which the water or steam escaped, loss caused by freezing except as provided in the freezing peril, and damage from a discharge occurring off the premises.
Read that first carve-out against the warranty's consequential-damage clause. The insurance policy excludes the component. The warranty excludes the damage. They are mirror images, drafted independently by two industries, and together they leave a seam through the most common loss in a house.
The two products side by side
The table sets the same loss against both instruments, assuming an unendorsed policy and a mainstream service contract.
| The loss | Home service contract | Unendorsed HO-3 policy |
|---|---|---|
| The pipe, valve or appliance that failed | Covered if scheduled and the failure is normal wear, subject to caps and the trade fee | Excluded — loss to the system or appliance from which the water escaped |
| Flooring, drywall and cabinetry the water ruined | Excluded as consequential damage; one form has the homeowner waive the claim | Covered if the discharge was accidental, subject to the deductible |
| A slow leak that ran behind a wall for weeks | Excluded as pre-existing or as deterioration | Excluded or contested under the seepage and wear-and-tear exclusions |
| Groundwater or hydrostatic pressure through a wall | Excluded — no system failed | Excluded — water below the surface of the ground which seeps or leaks through a building |
| Flood, surface water, overflow of a body of water | Excluded | Excluded — requires NFIP or private flood coverage |
| Sewer or drain backup | Clearing a covered stoppage may be scheduled; the damage is not | Excluded without a water-backup endorsement |
| Foundation movement from moisture cycling | Excluded — structure | Excluded — settling, shrinking, bulging or expansion |
The exclusions that do most of the denying
Three general exclusions decide more claims than the water peril's own wording. Wear and tear — no coverage for wear and tear, marring, deterioration — separates an insurable event from an ownership cost, and is the clause at work whenever an adjuster calls a failure maintenance. Settling — no coverage for settling, shrinking, bulging or expansion, including resultant cracking, of pavements, patios, foundations, walls, floors, roofs or ceilings — removes the category of movement damage. Mold and rot — no coverage for smog, rust or other corrosion, mold, wet or dry rot.
Then the Section I Water Damage exclusion removes the two categories homeowners most often assume are covered: flood, surface water, waves, tidal water, overflow of a body of water, or spray from any of these; and water below the surface of the ground, including water which exerts pressure on or seeps or leaks through a building. Flood therefore requires a separate National Flood Insurance Program or private flood policy, and hydrostatic pressure through a basement wall is uninsured under an unendorsed HO-3 whatever the homeowner's intuition about "water damage."
The seepage clause and the fourteen-day fight
This is the most litigated sentence in residential water coverage, and the first thing to understand is that the wording is not the same in every policy. Getting the edition right decides the case.
The older phrasing excludes loss caused by continuous or repeated seepage or leakage of water or steam from within a plumbing, heating, sprinkler or air conditioning system, or from an appliance, occurring over a period of weeks, months, or years. The modern phrasing puts a number on it: no coverage for loss caused by constant or repeated seepage or leakage of water over a period of 14 or more days.
A caution: the 1991 edition of the HO 00 03 examined for this page carries the flood, wear-and-tear, settling and mold exclusions quoted above but no temporal seepage exclusion at all. Both formulations are later, carrier-specific developments rather than universal features of the form, and which applies can only be answered by reading the policy.
Where courts have disagreed with insurers
Insurers read the modern clause as excluding any leak lasting fourteen days or more. Policyholders read it as attaching on day fourteen, leaving days one through thirteen covered.
Courts have repeatedly favored the policyholder on ambiguity. In Hicks v. American Integrity Insurance Company of Florida, Florida's Fifth District Court of Appeal treated the language as susceptible to more than one interpretation, construed the ambiguity against the insurer, and held that it does not unambiguously bar damage occurring in the first thirteen days. It also shifted the burden: once the insured shows coverage, the insurer must prove the damage occurred after day thirteen. Taylor v. Foremost (M.D. Ga. 2017) read "weeks" to mean at least fourteen days, and Wheeler v. Allstate (10th Cir. 2017) recognized potential coverage in the initial period. Landrum v. Allstate (M.D. Ga. 2019) accepted the window but required the insured to produce evidence apportioning damages between the first thirteen days and everything after.
Landrum is the lesson: winning the legal point does not win the claim. The homeowner must still prove which damage happened in the first thirteen days, and that proof has to be created contemporaneously. These citations come from law-firm commentary rather than the opinions.
The gap nobody covers
Between the two products sits a real structural gap. Covered by neither a home service contract nor an unendorsed homeowners policy:
- Gradual seepage and long-term leaks — pre-existing to the warranty, seepage and deterioration to the policy.
- Groundwater and hydrostatic pressure through foundation walls or a slab.
- Flood and surface water, which require NFIP or private flood coverage.
- Sewer and drain backup, which requires a water-backup endorsement.
- Mold, wet rot and dry rot from any of the above — excluded on the homeowners form, and on builder structural warranties barring mold, mildew, fungi, rot, decay, corrosion or other gradual deterioration.
- Foundation movement from moisture cycling, excluded by all three products.
Two close for a modest premium: flood coverage and a water-backup endorsement. The rest close through maintenance and early detection, or not at all.
What a buyer does, and when
Water is the loss where documentation created early is worth more than argument made late.
During the inspection period, treat every stain as a question. Ceiling staining, efflorescence on foundation walls, corroded shutoff valves, a water heater past service life on a finished floor, and evidence of prior repair will all later be called pre-existing under both products. This is the moment they are negotiable.
Read the two documents against each other. Find the contract's consequential-damage clause and waiting period; find the policy's water peril, its seepage wording, and whether flood and water-backup coverage exist. The question is what falls between them.
On discovering a leak, document before drying. Photographs, dates, moisture readings and a restoration assessment are the apportionment evidence Landrum requires, and they exist only if created at the time. Delay degrades the loss physically too: under ANSI/IICRC S500, Category 1 water poses no substantial threat to humans, Category 2 carries significant contaminants, and Category 3 is grossly unsanitary — and an untreated Category 1 loss becomes Category 2 and then 3.
Know which regulator stands behind the contract. In California, home protection companies are licensed by the Department of Insurance, which states that a home warranty is not an insurance policy while warning that all home warranties contain dozens of exclusions buyers discover only when a claim is denied. In Texas, residential service companies are licensed by the Department of Licensing and Regulation instead — the insurance regulator publishes the distinction.
Frequently Asked Questions
My pipe burst and ruined the floor. Who pays for what?
In the ordinary case the service contract pays to repair the failed pipe, subject to caps and the trade service call fee, and the homeowners policy responds to the damaged flooring, subject to the deductible, provided the discharge was sudden and accidental.
Neither pays for the other's half. Contracts disclaim consequential damage in express terms, and one form has the homeowner waive such claims outright. The policy's water peril excludes loss to the system or appliance from which the water escaped.
Does a home warranty ever cover water damage?
Not the damage itself. Every mainstream form disclaims secondary and consequential loss, and one goes further by having the customer waive all claims for incidental, consequential, special or punitive damages.
Two further clauses compound it. Construction and carpentry made necessary by a repair is excluded, so opening a wall or slab and restoring it is the homeowner's cost. And pre-existing conditions are excluded, with one form covering a prior failure only where it could not have been detected by visual inspection or simple mechanical test.
What does the fourteen-day seepage exclusion actually mean?
It depends on the policy edition and on the court. Insurers read the modern clause — no coverage for constant or repeated seepage or leakage of water over a period of fourteen or more days — as excluding the entire loss. Policyholders read it as attaching on day fourteen, leaving days one through thirteen covered.
Courts have repeatedly found the language ambiguous and construed it against the insurer. But at least one decision required the insured to produce evidence apportioning damage between the first thirteen days and the period after, a burden rarely met without a contemporaneous moisture assessment. Older forms use different phrasing entirely.
Is a leaking basement wall covered by homeowners insurance?
Under an unendorsed HO-3, no. The Section I Water Damage exclusion removes water below the surface of the ground, including water which exerts pressure on or seeps or leaks through a building.
That captures hydrostatic pressure through a foundation wall or slab, the mechanism behind most wet basements. Flood and surface water are excluded by the same provision. A home service contract does not reach it either, because no system or appliance failed.
Should I file with the warranty company or the insurer first?
The two products answer different questions, and the sequencing has consequences. A warranty denial reciting pre-existing condition or normal deterioration becomes a document in the file, and the homeowners insurer evaluating the same loss can read it.
Identify the loss first. If the question is who pays for the failed component, that is the contract. If it is who pays for the damage the water caused, that is the policy. If the leak was slow, both are likely to decline, and documentation matters more than filing.
Why does the timing of a water loss matter so much?
For two reasons that compound. Legally, every day a leak continues moves the loss further into the seepage and wear-and-tear exclusions and makes it harder to characterize as sudden and accidental.
Physically, the restoration category degrades. Under ANSI/IICRC S500, Category 1 water poses no substantial threat to humans, Category 2 carries significant contaminants, and Category 3 is grossly unsanitary. An untreated Category 1 loss becomes Category 2 and then 3, raising the cost of remediation while the coverage argument weakens.
Is mold covered by either product?
Generally not. The homeowners special form excludes smog, rust or other corrosion, mold, wet or dry rot, and builder structural warranties commonly exclude mold, mildew, fungi, rot, decay, corrosion or other gradual deterioration by name.
Where a carrier offers mold coverage at all, it is typically by endorsement with a sublimit. Because mold is almost always downstream of the gradual moisture the other exclusions target, it is the loss most likely to fall into the gap between the two products.