CISR Commercial Property study materials
CISR Commercial Property study resources

CISR Commercial Property: Fundamentals of Commercial Property Insurance

CISR Commercial Property · Work through your exam, one topic at a time.

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Fundamentals of Commercial Property Insurance

Domain 1 - Fundamentals of Commercial Property Insurance

This domain tests whether you can read a commercial property program the way an underwriter does: identify the insured's insurable interest, classify property into the right coverage, choose valuation and coinsurance, and apply the policy's common conditions.

Insurable interest and property categories

Commercial property is exposure-driven: the named insured must have an insurable interest at the time of loss, but need not own the property. Interests include ownership, leasehold, mortgagee, and bailee/care-custody-control. Every item is assigned to one of three buckets: Building (Coverage A), Business Personal Property (Coverage B), or Personal Property of Others (Coverage C). Misclassification is a common exam error - a tenant's improvements and betterments are the tenant's BPP, not building.

Valuation

Actual cash value (ACV) = replacement cost less physical depreciation, and in practice less obsolescence. Replacement cost (RC) is optional and conditions payment on repair or replacement within a stated period (typically two years); if the property is not replaced, the loss settles at ACV. Blanket limits let one limit float across locations and property types; specific limits apply separately.

Coinsurance

A coinsurance clause requires a limit at least equal to a percentage (80/90/100%) of the property's value at the time of loss. Payment = (limit carried ÷ limit required) × loss, then subtract the deductible, never exceeding the limit. Example: building RC $2,000,000, 80% coinsurance, limit $1,200,000. Required = $1,600,000. A $200,000 covered loss pays (1,200,000 ÷ 1,600,000) × 200,000 = $150,000, less the deductible. The penalty applies even though the loss is far below the limit - a frequent trap.

Conditions that cost marks

Other Insurance: the policy shares pro rata unless endorsed as excess. Vacancy: if a building is vacant more than 60 consecutive days, specified perils (vandalism, glass breakage, water damage, sprinkler leakage, theft) are excluded. Protective Safeguards: if a warranted safeguard is not maintained, coverage can be suspended for the peril it was meant to control. The mortgage clause gives the lender loss-payable rights and notice of cancellation. Abandonment: the insured cannot abandon property to the insurer.