3.3 Dwelling Perils, Conditions, and Endorsements
Key Takeaways
- Flood and earthquake are excluded; flood requires the NFIP and earthquake/water back-up require endorsements.
- Coinsurance penalty = (Carried / Required) x Loss − Deductible when insurance is below the 80% requirement.
- After 60 consecutive days of vacancy, V&MM, glass, and water losses are excluded and other losses cut 15%.
- The Standard Mortgage Clause protects the mortgagee even when the owner's acts would void coverage.
- Appraisal settles amount-of-loss disputes; signed proof of loss is due within 60 days of request.
Standard Exclusions
The dwelling forms exclude catastrophic, non-fortuitous, and maintenance losses. The most-tested excluded perils are:
- Ordinance or Law (enforcement of building codes)
- Earth Movement (earthquake, landslide, sinkhole) — addable by endorsement
- Water Damage (flood, surface water, sewer backup) — flood requires the NFIP, not the DP
- Power Failure off the premises, Neglect, War, Nuclear Hazard, and Intentional Loss
Many are anti-concurrent causation exclusions: if an excluded cause contributes in any sequence, the loss is excluded even if a covered peril also operated. The classic example is a hurricane: wind-driven rain damage may be covered, but the storm-surge flooding that arrives with it is excluded, and the anti-concurrent language prevents the insured from arguing the wind "caused" the flood loss.
The forms also exclude business activity losses, mold/fungus beyond a sublimit, wear and tear, deterioration, and inherent vice, smog, rust, and corrosion, settling/cracking/shrinking of foundations, and damage from birds, vermin, rodents, insects, or domestic animals. These maintenance exclusions reinforce that property insurance covers sudden and accidental loss, not the gradual consequences of neglect.
Coinsurance and ACV Worked Examples
The coinsurance condition on DP-2/DP-3 requires insurance to value of at least 80% of replacement cost to collect replacement cost. The penalty formula is:
Payment = (Carried / Required) x Loss − Deductible
Example: replacement cost of the dwelling is $400,000; required = 80% x $400,000 = $320,000. The owner carries only $240,000 and has a $1,000 deductible. A partial loss of $50,000 pays:
- ($240,000 / $320,000) x $50,000 = 0.75 x $50,000 = $37,500
- Minus $1,000 deductible = $36,500 paid; the owner absorbs the shortfall as a coinsurance penalty.
ACV example (DP-1): a 15-year-old roof with a 30-year life is destroyed; replacement cost $12,000. Depreciation = 50% (15/30). ACV = $12,000 − $6,000 = $6,000, less any deductible.
Key Policy Conditions
- Vacancy: after the dwelling is vacant beyond 60 consecutive days, Vandalism & Malicious Mischief, glass breakage, and water-related losses are excluded; other covered losses are then reduced 15%.
- Standard (Union) Mortgage Clause: protects the mortgagee; the lender's interest survives even if the insured's own acts (arson or misrepresentation) void coverage for the owner.
- Appraisal: when parties agree the loss is covered but disagree on the amount, either may demand appraisal; each picks an appraiser and they select an umpire.
More Conditions and the Pair-or-Set Clause
- Duties After Loss: the insured must give prompt notice, protect the property from further damage, prepare an inventory, and submit a signed, sworn proof of loss within 60 days of the insurer's request.
- Loss Settlement: establishes ACV vs. replacement cost and the coinsurance condition.
- Subrogation: lets the insurer recover from a negligent third party after paying the insured; the insured cannot waive recovery rights after a loss.
- Other Insurance: the DP pays its pro-rata share when more than one policy covers the same loss.
- Pair or Set: the insurer may repair/replace any part of a pair or set to restore value, or pay the difference between ACV before and after.
Common Endorsements
Because the DP is modular, endorsements complete the program:
- Broad Theft Coverage / Limited Theft Coverage (adds the theft peril, absent from the base form)
- Dwelling Under Construction (limit adjusts to the percentage completed)
- Automatic Increase in Insurance (inflation guard)
- Personal Liability Supplement (adds Coverage L liability and Coverage M medical payments)
- Earthquake, Ordinance or Law, and Water Back-Up and Sump Overflow
The Personal Liability Supplement is the most exam-relevant endorsement because the base DP has zero liability. It adds Coverage L (Personal Liability) — defense and damages for bodily injury or property damage the insured is legally liable for — and Coverage M (Medical Payments to Others), a no-fault coverage that pays modest medical bills regardless of fault for injuries to guests on the premises. Without this supplement, a landlord sued by an injured tenant has no defense or indemnity from the dwelling policy.
Finally, watch the Ordinance or Law endorsement: after a partial loss, building codes may force demolition and code-compliant rebuilding that the base policy excludes. The endorsement buys back coverage for the increased cost of construction up to a chosen percentage of Coverage A.
A rental dwelling has been standing empty with no contents for 75 days when vandals break in and cause damage. How does the DP-3 respond?
After a covered fire, the insured and insurer agree the loss is covered but cannot agree on the dollar amount. Which condition applies?
Perils by Form and the Open-Peril Exclusions
Dwelling perils track the form: DP-1 fire/lightning/internal explosion plus optional Extended Coverage and VMM; DP-2 the full broad named-peril list; DP-3 open-peril on the dwelling and other structures with named-peril contents. Even DP-3's open-peril dwelling coverage excludes flood, earth movement, war, nuclear hazard, ordinance or law, power failure off premises, neglect, wear and tear, and intentional loss. Candidates must remember that open-peril broadens what is covered and shifts the burden to the insurer, but the standard catastrophe and maintenance exclusions still apply.
Key Conditions Unique to Dwelling Forms
Dwelling forms carry the familiar conditions (notice, proof of loss, protection of property, appraisal, subrogation, suit limitation) plus a few worth noting. The Loss Settlement condition specifies ACV for DP-1 and RC subject to the 80 percent insurance-to-value rule for DP-2/DP-3 dwellings. The Mortgage Clause protects the lender's interest separately. The Other Insurance and Pro Rata Liability conditions split losses among concurrent policies. Because dwelling policies are often placed on rentals with mortgages, the mortgage clause and loss-settlement basis are common test points.
Theft and Other Frequently Added Endorsements
Since theft is excluded from the base dwelling forms, the Theft Coverage endorsement is among the most common add-ons, distinguishing broad theft (on and off premises) from limited theft (on premises only), and it is especially relevant for owner-occupants. Other widely used endorsements include Dwelling Under Construction (adjusting coverage as value grows during the build), Automatic Increase in Insurance (inflation guard), Broad Theft Coverage, and Personal Liability and Medical Payments endorsements that bolt homeowners-style Section II coverage onto a dwelling policy when the owner needs liability protection.
Adding Liability to a Property-Only Form
Because the dwelling program is property-only, an owner who wants liability protection must endorse it on or buy it separately. The Personal Liability Supplement adds Coverage L (personal liability) and Coverage M (medical payments to others), mirroring homeowners Section II, so a landlord can obtain both building protection and liability for injuries to tenants or visitors under one policy.
A frequent exam scenario presents a landlord sued by an injured tenant under a bare DP-3 and asks whether liability responds; the answer is no unless the liability endorsement was added, underscoring that dwelling forms do not include liability by default.