Property ValuationAdvancedAlaska Exam

Permafrost thaw beneath a building in Alaska is an example of which type of depreciation in an appraisal?

APhysical deterioration — curable
BFunctional obsolescence
CExternal (economic) obsolescence, in general
DPhysical deterioration — incurableCorrect

Why Physical deterioration — incurable Is Correct

Answer D: Physical deterioration — incurable

Permafrost thaw causing structural settlement represents physical deterioration that is often incurable — the cost to fully remediate the damage may exceed the benefit. It is a physical condition of the property itself (not a design flaw or external factor), making it physical deterioration rather than functional or external obsolescence.

Exam Tip: Property Valuation

Valuation questions focus on the three approaches to value: sales comparison, cost, and income. Know which approach is best for which property type. The income approach uses cap rate and NOI — memorize these formulas.

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