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Sales ComparisonMEDIUM16.4% of exam

An appraiser adjusts for a comparable’s finished basement. What should the adjustment reflect?

Correct Answer

D) The basement finish’s contribution to market value

An adjustment for a physical characteristic should reflect its marginal, or contributory, effect on value, not simply the cost to reproduce or remove it. Cost can inform the analysis but may differ from what buyers pay.

Answer Options
A
The full current cost to finish an equivalent basement
B
The original cost the seller paid to finish the basement
C
The cost to remove the basement finish from the house
D
The basement finish’s contribution to market value

Why This Is the Correct Answer

Option D is correct because an adjustment for a physical characteristic should reflect its marginal, or contributory, effect on value. Cost can inform the analysis, but what buyers pay for a finished basement may differ from what it costs to create.

Why the Other Options Are Wrong

Option A: The full current cost to finish an equivalent basement

Option A uses the full current cost to finish an equivalent basement. The cost to reproduce a feature may be more or less than what the market pays for it.

Option B: The original cost the seller paid to finish the basement

Option B uses the original cost the seller paid to finish the basement. Historical cost reflects past spending, not the finish's current contribution to market value.

Option C: The cost to remove the basement finish from the house

Option C uses the cost to remove the basement finish from the house. Removal cost does not measure what the finish adds to value in the market.

Adjust for value, not cost

Ask what buyers pay extra for the feature, not what someone paid to build it. Contribution drives the adjustment.

How to use: Use this when choices offer cost-based measures for a feature adjustment.

Exam Tip

Eliminate choices based on reproduction, original or removal cost when the question asks what an adjustment should reflect.

Common Mistakes to Avoid

  • -Using full current cost as the adjustment
  • -Relying on what the seller originally paid
  • -Treating removal cost as a measure of value

Concept Deep Dive

Analysis

This question tests what a physical-characteristic adjustment should measure. The answer is the market's response to the feature, not what it costs to build or remove. Cost may help, but the adjustment must reflect contribution to value.

Background Knowledge

Adjustments in the sales comparison approach should mirror how the market reacts to differences between properties. For physical features, that reaction is the feature's contributory value. Cost data can be a starting point, but market evidence such as paired sales should support the final figure.

Real-World Application

A comparable has a finished basement that cost $40,000 to complete. Market evidence shows buyers in that area pay about $25,000 more for a finished basement, so the appraiser adjusts by the supported contributory amount.

contributory valuebasement finishphysical adjustmentcost versus valuesales comparison
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