2.1 Property Perils, Coverage, and Valuation

Key Takeaways

  • Named-peril forms cover only listed causes of loss; open-peril (all-risk/special) forms cover everything except what is excluded, and the burden of proof shifts to the insurer to prove an exclusion applies
  • The three causes-of-loss forms build on one another: Basic lists about 11 named perils, Broad adds falling objects, weight of ice/snow, and specified water damage, and Special is open-peril
  • The coinsurance recovery is (insurance carried / insurance required) × loss − deductible, where insurance required = value × coinsurance percentage
  • Actual cash value equals replacement cost minus depreciation, while replacement cost pays to rebuild with no depreciation deduction; agreed value waives coinsurance
  • The principle of indemnity restores the insured to their pre-loss financial position but no better, preventing profit from a loss
Last updated: June 2026

Named-Peril vs. Open-Peril Coverage

Every property policy answers one threshold question: which causes of loss (perils) does it cover? There are two structural answers, and the California Property & Casualty exam tests the difference repeatedly.

A named-peril (or specified-peril) policy covers a loss only if the cause appears on a list printed in the policy. Fire, lightning, windstorm, hail, and theft are typical named perils. If the listed peril is not the cause, there is no coverage. Crucially, the burden of proof rests on the insured to show the loss was caused by a covered peril.

An open-peril policy — also called all-risk or, in commercial filings, special form — flips the logic. It covers loss from any cause except those specifically excluded. Because everything is covered unless excluded, the burden of proof shifts to the insurer to prove an exclusion applies. Open-peril coverage is broader and costs more, but it also covers losses no one thought to name (a falling drone, an exotic accident).

Direct vs. Indirect (Consequential) Loss

Property losses come in two economic flavors. A direct loss is the physical damage to covered property itself — the burned building, the stolen laptop. An indirect (or consequential) loss is the financial loss that flows from the direct loss: lost business income while the store is rebuilt, extra expense to rent a temporary location, spoilage of refrigerated goods after a covered power interruption. Indirect coverage (business income, extra expense, loss of use) is usually optional or capped, and it only triggers when a covered direct loss occurs first.

Exam questions test this chain: no covered direct loss, no indirect recovery.

The Three Causes-of-Loss Forms

Commercial property and the dwelling/homeowners line grade coverage into three escalating forms:

FormBasisWhat it adds
BasicNamed perilFire, lightning, explosion, smoke, windstorm, hail, riot/civil commotion, aircraft, vehicles, vandalism, sprinkler leakage, sinkhole, volcanic action
BroadNamed perilEverything in Basic plus falling objects; weight of ice, snow, sleet; water damage from appliances/plumbing; building glass breakage; collapse from specified causes
SpecialOpen perilCovers all direct physical loss except stated exclusions — the broadest form

A memory hook: Basic ≈ 11 perils, Broad ≈ Basic + about 6 more, Special = open-peril. The classic trap is theft — it is not covered under Basic, is limited under Broad, and is covered under Special unless excluded.

Valuation Methods

How much the insurer pays for a covered loss depends on the valuation (loss-settlement) basis stated in the policy:

  • Actual cash value (ACV) = replacement cost − depreciation. Depreciation reflects age, wear, and obsolescence. A 10-year-old roof pays its depreciated value, not the cost of a new one. (Some courts use the "broad evidence rule" to set ACV, but the replacement-cost-minus-depreciation formula is the tested default.)
  • Replacement cost (RC) pays the full cost to repair or replace with new materials of like kind and quality, with no deduction for depreciation. Most replacement-cost policies pay ACV first and release the depreciation "holdback" only after the insured actually repairs or rebuilds.
  • Agreed value (agreed amount) sets a value the insurer and insured accept up front, supported by an appraisal; it suspends the coinsurance clause so no penalty applies at a covered loss.
  • Functional replacement cost pays to replace with functionally equivalent but less costly modern materials — common on older homes (and the logic behind the HO-8 modified form).

The Principle of Indemnity

The principle of indemnity is the spine of property insurance: a covered loss should restore the insured to the same financial position they were in just before the loss — no worse, and no better. The insured should not profit from a loss. Deductibles, ACV depreciation, policy limits, other-insurance clauses, and subrogation all enforce indemnity. Valued policies and agreed-value forms are limited exceptions where a pre-set amount is paid.

Coinsurance, Deductibles, and Other-Insurance Clauses

The coinsurance clause encourages insureds to insure to value. It requires the insured to carry a limit equal to at least a stated coinsurance percentage (commonly 80%, 90%, or 100%) of the property's value. If they carry less, they become a co-insurer of part of every loss and a coinsurance penalty applies. The formula is:

Recovery = (Insurance Carried ÷ Insurance Required) × Loss − Deductible

where Insurance Required = Property Value × Coinsurance %. Recovery can never exceed the policy limit.

Worked example: A building worth $500,000 has an 80% coinsurance clause, so required insurance is $400,000. The owner carries only $300,000 and suffers a $100,000 loss with a $1,000 deductible. Recovery = ($300,000 ÷ $400,000) × $100,000 − $1,000 = 0.75 × $100,000 − $1,000 = $74,000. The owner absorbs the rest as the penalty for underinsuring. Had they carried $400,000 or more, the full $100,000 (less deductible) would be paid.

A deductible is the amount the insured retains per loss; it eliminates small claims and lowers premium. When two or more policies cover the same property, pro-rata / contribution by limits divides the loss in proportion to each policy's limit (each insurer pays its limit ÷ total limits × loss), again preventing recovery beyond the actual loss in keeping with indemnity.

Test Your Knowledge

Under an open-peril (special form) property policy, who bears the burden of proof regarding coverage when a loss occurs?

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D
Test Your Knowledge

A building valued at $400,000 carries an 80% coinsurance clause. The owner insures it for $240,000 and has a $40,000 loss with a $500 deductible. What is the recovery?

A
B
C
D
Test Your Knowledge

Which valuation method pays replacement cost minus depreciation?

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B
C
D
Test Your Knowledge

Lost business income suffered while a fire-damaged store is being rebuilt is best classified as which type of loss?

A
B
C
D