A building with poor traffic flow between rooms, inadequate storage, and rooms that are too small for their intended use suffers from:
Correct Answer
C) Functional obsolescence
Why this is correct: Functional obsolescence is a loss in utility and value caused by internal design flaws, such as poor layout, inadequate storage, or improperly sized rooms. Why the other choices are wrong: "Physical deterioration" refers to wear and tear from age or use. "Economic obsolescence" is caused by external factors like neighborhood decline. "External obsolescence" is synonymous with economic obsolescence. Exam tip: If the deficiency is within the building's design and reduces functionality, it's functional obsolescence.
Why This Is the Correct Answer
Why this is correct: Functional obsolescence is a loss in utility and value caused by internal design flaws, such as poor layout, inadequate storage, or improperly sized rooms. Why the other choices are wrong: "Physical deterioration" refers to wear and tear from age or use. "Economic obsolescence" is caused by external factors like neighborhood decline. "External obsolescence" is synonymous with economic obsolescence. Exam tip: If the deficiency is within the building's design and reduces functionality, it's functional obsolescence.
Why the Other Options Are Wrong
Option A: Physical deterioration
Physical deterioration refers to actual wear and tear, damage, or decay of building components due to age, use, or neglect. The issues described (poor traffic flow, inadequate storage, small rooms) are design problems, not physical damage or deterioration of materials.
Option B: Economic obsolescence
External obsolescence (also called economic obsolescence) is caused by factors outside the property boundaries, such as nearby industrial facilities, airport noise, or neighborhood decline. The problems listed are all internal design issues within the building itself.
Option D: External obsolescence
Economic obsolescence is another term for external obsolescence, referring to value loss due to external economic or environmental factors beyond the property owner's control. The described issues are internal design flaws, not external economic influences.
The FED System
F-unctional = F-loor plan problems (internal design), E-xternal = E-nvironment issues (outside factors), D-eterioration = D-amage and decay (physical wear)
How to use: When you see layout, design, or adequacy issues mentioned in a question, immediately think 'F for Functional' since these are Floor plan and Feature problems internal to the building.
Exam Tip
Look for keywords that indicate internal design problems versus external factors or physical damage - words like 'layout,' 'traffic flow,' 'room size,' and 'storage' typically point to functional obsolescence.
Common Mistakes to Avoid
- -Confusing functional obsolescence with physical deterioration when both may be present
- -Thinking external obsolescence applies to any economic factor rather than specifically external influences
- -Assuming all building problems are physical deterioration rather than considering design inadequacies
Concept Deep Dive
Analysis
This question tests understanding of the three types of obsolescence that affect property value: functional, external, and physical deterioration. Functional obsolescence specifically relates to design flaws, layout problems, or inadequate features within the property itself that make it less desirable or useful compared to current market standards. The key distinguishing factor is that functional obsolescence stems from internal design deficiencies rather than external market forces or physical wear and tear. Understanding these distinctions is crucial for appraisers to properly identify value loss sources and apply appropriate adjustment methods.
Background Knowledge
Appraisers must understand the three main categories of depreciation: physical deterioration (wear and tear), functional obsolescence (design deficiencies), and external obsolescence (outside negative influences). Each type requires different analysis methods and has different implications for property valuation and potential cures.
Real-World Application
In practice, appraisers commonly encounter functional obsolescence in older homes with small kitchens, inadequate bathrooms, poor room layouts, or insufficient storage compared to current buyer expectations. This obsolescence is quantified by comparing the subject property to similar properties with superior functional utility.
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