A 30-year-old house has been renovated so thoroughly that it competes with 12-year-old homes. Which number drives its age-life depreciation?
Correct Answer
B) Its effective age of about 12 years
Why this is correct: In the age-life method, depreciation is based on the property's effective age—its apparent age given its condition and utility—not its actual (chronological) age. A thorough renovation makes the house compete with 12-year-old homes, so its effective age is about 12 years. Why the other choices are wrong: 'Its actual age of 30 years' is the chronological age, which is not used for depreciation in this method. 'The average of the two ages' is not a standard calculation. 'The age stated in the tax records' is often the actual age and may not reflect condition. Exam tip: Effective age is an appraisal judgment of condition; actual age is a historical fact. Use effective age for depreciation calculations.
Why This Is the Correct Answer
The stem tells you exactly how the market sees the property: it competes with 12-year-old homes. That competitive position is the definition of effective age, so about 12 years is the number that belongs in the age-life ratio. Depreciation is then 12 divided by total economic life, applied to cost new. The 30-year actual age is context, not the driver.
Why the Other Options Are Wrong
Option A: Its actual age of 30 years
Using the 30-year actual age would charge the house with eighteen years of depreciation it does not exhibit, since the renovation has restored its condition and utility. Actual age is a fixed historical fact that no amount of investment can change, which is precisely why the method does not rely on it. Doing so would understate value substantially in the cost approach.
Option C: The average of the two ages
Averaging actual and effective age is not a recognized appraisal technique and has no theoretical support. It looks like a reasonable compromise, which is what makes it attractive, but it produces a number that describes neither the calendar nor the observed condition. Appraisal methodology asks for a judgment about condition, not a split-the-difference calculation.
Option D: The age stated in the tax records
Tax records report the year built, which is actual age, and assessment data is frequently stale or simply wrong about improvements. Public records are useful for verifying construction year, not for measuring condition. Effective age comes from inspection and market comparison, not from the assessor's file.
The Market's Guess
Effective age is how old a buyer would guess the house is after walking through it. If a buyer would say twelve years, twelve is your number, no matter what the deed or the assessor says. Actual age is what the calendar knows; effective age is what the market believes.
How to use: Whenever a stem describes renovation, modernization or neglect and then asks about depreciation, look for the phrase describing what the property now competes with. That comparison is handing you the effective age directly.
Exam Tip
In any age-life computation, the number that goes over total economic life is effective age; if a question offers both ages, actual age is the distractor.
Common Mistakes to Avoid
- -Putting actual age in the age-life numerator out of habit
- -Copying the assessor's year built as a substitute for a condition judgment
- -Averaging or otherwise blending actual and effective age
Concept Deep Dive
Analysis
The age-life method estimates total accrued depreciation as a ratio: effective age divided by total economic life, applied to cost new. Actual or chronological age is a calendar fact and enters the calculation only when the appraiser concludes that the improvements have aged exactly as expected. Effective age is the appraiser's judgment of the apparent age indicated by condition, utility and market appeal, and it is the numerator the method actually uses. Renovation, superior maintenance and modernization pull effective age below actual age; neglect and deferred maintenance push it above. Because the ratio drives the entire depreciation deduction, misidentifying which age belongs in the numerator distorts the cost approach conclusion by a large margin.
Background Knowledge
You need the age-life formula, in which depreciation equals effective age divided by total economic life times cost new. You also need to distinguish actual age, a calendar fact, from effective age, an appraiser's judgment of apparent age based on condition, modernization and market appeal.
Real-World Application
Appraising a fully updated mid-century home, the appraiser assigns an effective age well below the year built, documents the specific updates and the comparable sales the house competes against, and applies that effective age in the age-life depreciation calculation.
More Cost Approach Questions
In a cost approach for a proposed building, the appropriate cost basis is generally:
A warehouse cost $210,000 to build when the cost index stood at 105. The index is now 210. Its indicated current cost is:
The age-life method expresses depreciation as:
Market extraction of depreciation is limited by the fact that it:
Functional obsolescence caused by a deficiency is measured as curable when:
Curable physical deterioration is measured at cost to cure because:
A 2,050 sq ft dwelling is priced at $178 per square foot with a $34,000 detached garage and $21,500 of site improvements. Cost new is:
A house has three bedrooms sharing one bathroom, and adding a second bath is economically justified. This is:
Direct costs in a construction budget include:
An appraiser writes that a 40-year-old house has an effective age of 10 but describes original wiring, original kitchen and a 25-year-old roof. The report's problem is:
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