Published 2026-09-25 · Last updated 2026-09-25.
Home insurance exclusions
Common exclusions — the list to learn first
The water distinction that denies the most claims
Water is the leading cause of homeowner claims and the most misunderstood exclusion, so it earns its own section. Sudden, accidental water damage — a burst pipe in winter, for example — is generally covered. Gradual water damage is not: a slow roof leak that develops into mold over months, a foundation crack that lets seepage in, a sump pump that fails during heavy rain — these are generally excluded unless a specific endorsement was added. The same logic governs mold: mold following a sudden covered event may be covered up to a sub-limit, while mold from a gradual leak or excluded water source is generally excluded. Sewer and drain backup, including sump discharge or overflow, is a separate exclusion that a water-backup endorsement can close. The question to ask of any water loss is never just "was there water?" but "was the cause sudden and covered, gradual, or an excluded source?" — and the answer sits in your policy's perils and exclusions sections.
Endorsements vs exclusions — gaps you can close, and gaps you cannot
Not every exclusion is permanent. Endorsements, also called riders or add-ons, extend cover to several excluded perils: water backup and sump overflow, increased mold sub-limits, earthquake cover in most states, scheduled personal property for high-value items, and ordinance-or-law cover for rebuilding to current building codes. Flood and earthquake, however, are not closed by a small endorsement on a standard policy in the usual case — flood needs a separate NFIP or private policy, and earthquake needs a separate policy or a dedicated earthquake endorsement, both covered on their own pages in this cluster. The practical method is: list your home's real exposures (flood zone, quake zone, older roof, basement with a sump, high-value belongings, home-based business), match each exposure to the exclusion that leaves it open, and ask your insurer which endorsement or separate policy closes it and at what limit. An endorsement you never asked about is a gap you chose by default.
Hidden sub-limits — exclusions that do not look like exclusions
Even where a category is technically covered, standard sub-limits can function like exclusions. Competitor outlines name the usual pattern: jewellery and watches, firearms, silverware, cash and securities, business property kept at home, and computers or electronics can all carry theft or category caps far below their actual value, and a scheduled personal property endorsement — listing specific items for full appraised value — is the usual route to close them. Home-based business property and business liability are likewise capped or excluded on a standard personal policy; a business owner needs a separate endorsement or business policy, not a hope that homeowners cover extends. Check the declarations page for every sub-limit that applies to something you actually own, and do not assume a headline personal-property limit means every item inside it is fully covered.
Where to check your policy — the declarations page and the jacket
Your declarations page summarises what you hold: coverage limits, named endorsements and the policy form number. The full exclusion language lives in the policy jacket behind it. In a standard form, property exclusions sit in the property section and liability exclusions in the liability section, each following the "perils insured against" wording — look for the word "Exclusions" under each section and read it in full, not just the headings. Compare the jacket against the declarations page: an endorsement named on the declarations page changes the jacket's exclusions, and an endorsement you expected but cannot find on the declarations page does not exist for your policy, whatever a sales conversation suggested. Keep both documents together, and re-read them after any renewal, endorsement change or renovation.
Hurricane and wildfire links — exclusions in disaster context
Disaster pages in this cluster apply this page's list to specific perils. The hurricane page shows how wind-vs-flood separation and percentage deductibles interact with the flood exclusion. The wildfire page shows how mitigation and defensible space interact with cover in fire-prone areas, and why non-renewal risk rises where mitigation lapses. The earthquake California page shows the earth-movement exclusion and its separate-policy answer. Read those pages with this list open beside them: an exclusion understood in general terms becomes concrete only when a named disaster tests it.
ILLUSTRATIVE EXAMPLE — not a policy fact
An illustrative homeowner discovers, hypothetically, a slow roof leak that has stained a ceiling over several months and grown mold behind it. Under the general pattern described above, the gradual leak and the mold from it would likely fall outside standard cover, while a sudden burst pipe in the same home would likely fall inside it — but no outcome is asserted for any real claim, because the actual policy wording, endorsements and cause evidence decide. The example's value is the question it teaches a reader to ask before a loss: is this damage sudden or gradual, covered or excluded, and is there an endorsement on my declarations page that changes the answer? A reader who can answer that question for their own policy has understood this page.