A single-family residence has only one bathroom located on the second floor, while all bedrooms are on the first floor. This is an example of:
Correct Answer
C) Functional obsolescence
Why this is correct: The stem describes a design flaw where the only bathroom is inconveniently located on a different floor from the bedrooms. This is a classic example of functional obsolescence, which is a loss in utility and value due to outdated design, inadequate features, or poor layout compared to modern market standards. Why the other choices are wrong: "Economic obsolescence" (or external obsolescence) is caused by external factors like a poor location or negative neighborhood influences, not internal design. "External obsolescence" is synonymous with economic obsolescence and is externally caused. "Physical deterioration" refers to wear and tear or aging of the physical structure, such as a cracked foundation or worn roof, not a design deficiency. Exam tip: Functional obsolescence is internal and relates to design, utility, or layout. If the problem is inside the property and about how it works, think functional.
Why This Is the Correct Answer
Why this is correct: The stem describes a design flaw where the only bathroom is inconveniently located on a different floor from the bedrooms. This is a classic example of functional obsolescence, which is a loss in utility and value due to outdated design, inadequate features, or poor layout compared to modern market standards. Why the other choices are wrong: "Economic obsolescence" (or external obsolescence) is caused by external factors like a poor location or negative neighborhood influences, not internal design. "External obsolescence" is synonymous with economic obsolescence and is externally caused. "Physical deterioration" refers to wear and tear or aging of the physical structure, such as a cracked foundation or worn roof, not a design deficiency. Exam tip: Functional obsolescence is internal and relates to design, utility, or layout. If the problem is inside the property and about how it works, think functional.
Why the Other Options Are Wrong
Option A: Economic obsolescence
Physical deterioration refers to the actual wear and tear, decay, or damage to building components over time, such as worn flooring, peeling paint, or broken fixtures. The bathroom location issue is not about physical condition but rather poor design layout.
Option B: External obsolescence
External obsolescence (also called economic obsolescence) is caused by factors outside the property boundaries that negatively impact value, such as nearby industrial development, airport noise, or economic decline in the area. The bathroom location is an internal design issue.
Option D: Physical deterioration
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. This bathroom issue is an internal functional problem, not an external economic factor.
The FEP Memory System
Remember 'FEP' - Functional (inside design problems), External (outside influences), Physical (wear and tear). Think 'Function follows Form, External forces, Physical fixes' - if it's a design that doesn't function well, it's functional obsolescence.
How to use: When you see a property layout or design issue in a question, immediately think 'F' for Functional obsolescence. Ask yourself: Is this a design problem (F), an outside influence (E), or physical damage (P)?
Exam Tip
Look for key phrases like 'design deficiency,' 'layout problem,' 'outdated features,' or scenarios describing inconvenient room arrangements - these almost always indicate functional obsolescence.
Common Mistakes to Avoid
- -Confusing functional obsolescence with physical deterioration when the issue involves building components
- -Thinking external obsolescence applies to any problem that affects property value, rather than only external factors
- -Assuming all outdated features represent functional obsolescence rather than considering if they're still acceptable to the market
Concept Deep Dive
Analysis
This question tests understanding of the three types of obsolescence in real estate appraisal: functional, external, and physical deterioration. Functional obsolescence occurs when a property's design, layout, or features are outdated or inadequate compared to current market standards and buyer expectations. The scenario describes a clear design flaw where the bathroom placement creates inconvenience and reduces the property's desirability. This type of obsolescence is internal to the property and stems from poor planning or outdated design standards rather than external market forces or physical wear.
Background Knowledge
Appraisers must distinguish between three types of value loss: physical deterioration (wear and tear), functional obsolescence (design deficiencies), and external obsolescence (outside negative influences). Understanding these categories is crucial for accurate depreciation calculations in the cost approach to value.
Real-World Application
In practice, appraisers commonly encounter functional obsolescence in older homes with features like kitchens without dishwashers, homes with only one bathroom, inadequate electrical systems, or poor traffic flow between rooms. These issues require adjustments in the sales comparison approach or depreciation calculations in the cost approach.
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