Three Weeks of Running Water: Seepage Exclusion, Mold Sub-limit, and Additional Living Expense

The HO-3 covers accidental discharge or overflow of water from a plumbing system - a failed supply line is the paradigm case. The counterweight is the exclusion for constant or repeated seepage or leakage over a period of 14 days or more, which the adjuster will try to invoke because the water ran 19 days.

The better reading turns on what the exclusion targets. "Seepage or leakage" describes a chronic, gradual condition - a slow drip behind a wall that the insured has had weeks or months to discover. It does not describe a single, sudden, one-time failure whose damage merely continues to accumulate because no one is home. The causal event was abrupt; the duration is a function of absence, not neglect of a known condition. Expect the carrier to argue the exclusion trims damage accruing after day 14; expect the insured to argue ambiguity is construed against the drafter and that the reasonable expectations of a homeowner on vacation favor coverage. A defensible settlement often splits the disputed increment.

Flag the companion duty: the HO-3 imposes duties after loss and a reasonable care to protect property; the insured satisfied this once the neighbor acted. Document the timeline carefully - the exclusion argument lives or dies on when the discharge began versus when it was discovered.

The HO-3 caps liability for fungus, wet or dry rot, and bacteria at $10,000 per occurrence, regardless of the fact that the mold arose from a covered water loss. The $14,000 bill is therefore trimmed to $10,000.

Computation (one occurrence, one deductible):

• Dwelling repair: $58,000
• Mold remediation (sub-limited): $10,000
• Contents: $6,000
• Subtotal: $74,000
• Less $2,000 deductible: $72,000 payable

Notes worth putting in the file:

• Coverage C of $200,000 is ample; no contents limit issue.
• The deductible applies once per occurrence, not once per coverage part; do not take a second $2,000 from the contents.
• Do not let the mold sub-limit be applied to testing versus remediation differently than the form provides, and confirm whether the endorsement's aggregate is per occurrence or per policy period on this edition of the form.
• If the carrier contends the seepage exclusion bars the mold entirely, the fallback is that the covered water damage is the efficient proximate cause; the $10,000 sub-limit presupposes a covered loss.

ALE reimburses the necessary increase in living expenses to maintain a normal standard of living - not the whole cost of temporary housing, and not the insured's ordinary bills.

• Outlay: $3,100 × 3 months = $9,300
• Normal housing cost that continues anyway: $2,400 × 3 = $7,200
• Increase: $9,300 − $7,200 = $2,100 payable

The mortgage payment is not reimbursed - the family still owes it and still gets the benefit of the house. ALE pays the delta. If the extended-stay rate includes utilities the family no longer consumes at home, credit that against the $2,100 as well. The form's limits (typically 24 months and 30% of Coverage A, here $120,000) are not approached, so the constraint is arithmetic, not a cap.

Practice point: ALE is where adjusters most often overpay by reimbursing rent outright, and where insureds most often feel shortchanged because they expected the full $9,300. Set the expectation on day one by explaining the offset with the continuing mortgage.