A house has an inefficient floor plan where the only access to the master bedroom is through another bedroom. This is an example of:
Correct Answer
C) Functional obsolescence
Functional obsolescence occurs when a property has design features that are inadequate, outdated, or inappropriate for current market standards. Poor layout and flow are classic examples of functional obsolescence.
Why This Is the Correct Answer
Functional obsolescence occurs when a property has design features that are inadequate, outdated, or inappropriate for current market standards. Poor layout and flow are classic examples of functional obsolescence.
Why the Other Options Are Wrong
Option A: Physical deterioration
Physical deterioration refers to the actual wear and tear, decay, or structural damage to a property's components due to age, use, or exposure to elements. The inefficient floor plan described is not a physical condition problem but rather a design issue that was likely present from the time of construction.
Option B: External obsolescence
External obsolescence (also called economic obsolescence) refers to value loss caused by factors outside the property boundaries, such as nearby industrial facilities, airport noise, or neighborhood decline. The floor plan issue is an internal design problem within the property itself, not an external influence.
Option D: Economic obsolescence
Economic obsolescence is another term for external obsolescence, referring to value loss due to external economic factors beyond the property owner's control. Since the floor plan problem is an internal design issue within the property, this is not the correct classification.
The FEP Method
Function-External-Physical: Function = design problems INSIDE the house, External = problems OUTSIDE the property, Physical = wear and tear you can SEE and TOUCH
How to use: When you see a question about property problems, ask: Is it a design issue (Function)? Is it from outside forces (External)? Is it physical damage you can touch (Physical)? Floor plan issues are always functional since they're internal design problems.
Exam Tip
Look for keywords like 'floor plan,' 'layout,' 'design,' 'outdated features,' or 'inadequate' - these almost always indicate functional obsolescence rather than the other types.
Common Mistakes to Avoid
- -Confusing functional obsolescence with physical deterioration when the issue involves outdated but functioning components
- -Thinking external obsolescence applies to any problem that affects value, rather than specifically external factors
- -Assuming all design problems are incurable functional obsolescence without considering renovation costs versus value added
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 specifically refers to design deficiencies or outdated features within the property itself that reduce its utility and marketability. The scenario describes a floor plan issue where privacy and accessibility are compromised by requiring passage through one bedroom to reach another, which is a clear design flaw that modern buyers would find unacceptable. This type of obsolescence is curable if the cost to fix it is less than the value it would add, or incurable if renovation costs exceed the potential value increase.
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 affects property value differently and has different solutions, with functional obsolescence often being the most controllable by property owners through renovation or redesign.
Real-World Application
In practice, appraisers frequently encounter functional obsolescence in older homes with features like single bathrooms, small kitchens, low ceilings, or poor traffic flow. They must determine if the obsolescence is curable (worth fixing) or incurable (too expensive to remedy) and adjust the property value accordingly using comparable sales or cost approaches.
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