A 45-year-old office building has undergone extensive system upgrades (HVAC, electrical, fire suppression) and interior modernization, resulting in strong tenant demand and rental rates exceeding those of newer buildings in the area. The appraiser estimates its total economic life at 65 years. Which statement best reflects the likely relationship among its chronological age, effective age, and remaining economic life?
Correct Answer
B) Effective age is less than chronological age, and remaining economic life exceeds 20 years.
Because the building’s systems and finishes have been substantially upgraded—and it commands premium rents—the appraiser would assign an effective age less than its chronological age of 45 years (e.g., 32 years). Thus, remaining economic life = 65 − (effective age < 45) → >20 years. USPAP Standards Rule 1-4(c) requires the appraiser to develop credible estimates of effective age based on observable condition and market evidence—not just calendar time. AO-19 emphasizes that effective age reflects economic utility, not wear alone.
Why This Is the Correct Answer
Modernized HVAC, electrical and fire suppression plus premium rents demonstrate condition and utility superior to the calendar age, so effective age must be set below forty-five years. Subtracting an effective age under forty-five from the sixty-five-year total economic life necessarily leaves more than twenty years of remaining economic life. The two halves of this option move together, which is the internal consistency the question is probing. Note that the estimate is supported by observed condition and market rent evidence, not by calendar time alone.
Why the Other Options Are Wrong
Option A: Effective age equals chronological age, and remaining economic life equals 20 years.
Setting effective age equal to chronological age of forty-five ignores the evidence that the building outperforms newer competitors on rent. That equality is appropriate only for a property that has aged exactly as typically expected, with average maintenance and no significant modernization. With a forty-five-year effective age the remainder would be exactly twenty years, which understates the building's demonstrated durability.
Option C: Effective age exceeds chronological age, and remaining economic life is less than 20 years.
An effective age above chronological age describes a neglected building with deferred maintenance, obsolete systems or weak market acceptance. Every fact in the stem points the opposite way: upgraded systems, modernized interiors, strong demand and premium rents. Choosing this option requires reading the evidence backwards.
Option D: Effective age equals total economic life, and remaining economic life is zero.
Effective age equal to total economic life would mean the improvements contribute nothing further to value and remaining economic life is zero. A building leasing at rates above newer competition is obviously still contributing. This option describes an improvement at the end of its economic life, typically a candidate for demolition or major redevelopment.
The Seesaw
Effective age and remaining economic life sit on opposite ends of a seesaw whose fulcrum is total economic life. Push effective age down with upgrades and the remaining life rises; let the building decay and effective age rises while the remainder falls. They can never move the same direction.
How to use: On any question pairing an effective-age statement with a remaining-life statement, verify the two move in opposite directions. Options where both rise or both fall can be eliminated without any computation.
Exam Tip
Premium rents and strong demand are exam code for an effective age below chronological age; deferred maintenance and vacancy are code for the reverse.
Common Mistakes to Avoid
- -Assuming effective age must equal chronological age absent an explicit instruction
- -Selecting an option where effective age and remaining life move in the same direction
- -Overlooking rent performance as evidence of effective age
Concept Deep Dive
Analysis
Three age concepts interlock in the cost approach: chronological age, the calendar count since construction; effective age, the apparent age indicated by condition and market performance; and remaining economic life, the period over which the improvements will continue to contribute to property value. The working relationship is total economic life minus effective age equals remaining economic life. That means anything lowering effective age automatically lengthens remaining economic life, and anything raising it shortens the remainder. Extensive system upgrades combined with rents above those of newer competitors are strong market evidence that the market treats this building as younger than its years.
Background Knowledge
You need the identity total economic life minus effective age equals remaining economic life, and the understanding that effective age is estimated from condition, utility and market evidence. You also need to know that rents and demand relative to competing properties are legitimate evidence of a building's effective age.
Real-World Application
An appraiser valuing a renovated 1970s office tower that leases above the submarket average sets effective age well under the building's calendar age, extends remaining economic life accordingly, and supports both with the rent roll and comparable building data.
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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