Which of the following would be considered external obsolescence?
Correct Answer
C) A busy highway constructed next to the property
External obsolescence is caused by factors outside the property boundaries that negatively affect value. A busy highway represents an external factor beyond the property owner's control that would likely decrease the property's value.
Why This Is the Correct Answer
External obsolescence is caused by factors outside the property boundaries that negatively affect value. A busy highway represents an external factor beyond the property owner's control that would likely decrease the property's value.
Why the Other Options Are Wrong
Option A: A leaking roof
A leaking roof is physical deterioration, not external obsolescence. This represents wear and tear of the property's physical components that can be repaired or replaced by the property owner. Physical deterioration occurs within the property boundaries and is under the owner's control to fix.
Option B: Only one bathroom in a four-bedroom house
Having only one bathroom in a four-bedroom house is functional obsolescence, not external obsolescence. This represents a design deficiency or inadequate layout that doesn't meet current market expectations for a four-bedroom home. Functional obsolescence relates to the property's internal design and utility rather than external factors.
Option D: Worn carpeting throughout the house
Worn carpeting throughout the house is physical deterioration, not external obsolescence. Like the leaking roof, this represents normal wear and tear of the property's components that can be addressed through replacement or repair. This issue exists within the property boundaries and can be controlled by the owner.
The EXternal EXit Strategy
Remember 'EX-EX': EXternal obsolescence affects factors you must EXit the property to encounter. If you have to leave your property boundaries to see or experience the problem (highway, airport, landfill, etc.), it's external obsolescence.
How to use: When you see obsolescence questions, ask yourself: 'Do I need to EXit the property to encounter this problem?' If yes, it's EXternal obsolescence. If the problem exists inside the property boundaries, it's either physical deterioration or functional obsolescence.
Exam Tip
Look for location-based factors in the answer choices - anything involving traffic, noise, environmental hazards, or neighborhood changes typically indicates external obsolescence.
Common Mistakes to Avoid
- -Confusing functional obsolescence with external obsolescence when the issue involves property layout or design
- -Misidentifying physical deterioration as external obsolescence when the problem involves building components
- -Assuming all negative factors affecting property value are external obsolescence rather than distinguishing between the three types of depreciation
Concept Deep Dive
Analysis
External obsolescence, also known as economic obsolescence, refers to a loss in property value caused by factors outside the property boundaries that are beyond the property owner's control. This type of obsolescence is distinguished from physical deterioration (wear and tear of the property itself) and functional obsolescence (design deficiencies or outdated features within the property). External obsolescence is typically incurable because the property owner cannot fix or control the external factors causing the value loss. Understanding the three types of obsolescence is crucial for appraisers when analyzing depreciation and determining property values.
Background Knowledge
Appraisers must understand the three types of depreciation: physical deterioration (curable and incurable wear and tear), functional obsolescence (design deficiencies or outdated features), and external obsolescence (negative external influences). External obsolescence is always considered incurable because property owners cannot control or fix external factors like traffic, noise, or neighborhood changes.
Real-World Application
In practice, appraisers encounter external obsolescence when valuing properties near airports (noise), busy roads (traffic and noise), industrial facilities (odors or visual impact), or in declining neighborhoods. These factors require market analysis to quantify the value impact, often through paired sales analysis comparing similar properties with and without the external influence.
More Valuation Principles Questions
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The principle of substitution states that:
A comparable sale occurred 8 months ago for $450,000. Market conditions analysis shows property values have increased 0.5% per month. What is the adjusted sale price?
What is the difference between reproduction cost and replacement cost?
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