An appraiser cannot access a crawl space but assumes, based on the era and visible framing, that the foundation is sound. In USPAP terms this is:
Correct Answer
B) An extraordinary assumption — uncertain, but believed reasonable
Why this is correct: An extraordinary assumption is used when information is uncertain but is assumed to be true for the purpose of analysis. Assuming the foundation is sound without inspection fits this definition. It must be disclosed, and the report must state that value could change if the assumption is false. Why the other choices are wrong: It is not a hypothetical condition because the foundation's state is unknown, not known to be false. It is not an ordinary limiting condition of no consequence; it's a significant assumption. It is not automatically a competency violation if properly disclosed. Exam tip: If it's unknown but you assume it's true, it's an extraordinary assumption. Disclose it.
Why This Is the Correct Answer
Option B is correct because the foundation's condition is uncertain rather than known to be otherwise, and the appraiser has a reasonable basis for believing it sound. Uncertainty plus a reasonable belief plus the potential to alter the opinion if wrong is exactly the definition of an extraordinary assumption. The appraiser must disclose it clearly so the intended user understands the conclusion depends on it. If the assumption later proves false, the value opinion could change materially, which is precisely why disclosure matters.
Why the Other Options Are Wrong
Option A: A hypothetical condition, since it is contrary to known fact
A hypothetical condition requires the assumption to be contrary to what is known to exist, and nothing here is known about the crawl space at all. The appraiser is filling a gap in knowledge, not overriding a known fact. Reserving the hypothetical label for contrary-to-fact premises, such as appraising a proposed building as though complete, keeps the two categories straight.
Option C: An ordinary limiting condition of no consequence
General limiting conditions cover routine boilerplate such as reliance on public records or the assumption of no hidden defects, and they are not consequential to a specific conclusion. This assumption is consequential, because unsound foundations materially affect value and marketability. Burying a consequential assumption in general boilerplate would deprive the reader of information needed to understand the report.
Option D: A competency violation requiring disclosure
Nothing in these facts suggests the appraiser lacks the knowledge or experience the assignment requires, which is what the Competency Rule addresses. Inaccessible areas are an ordinary limitation of a visual inspection, not a gap in the appraiser's qualifications. The correct response is disclosure through an extraordinary assumption, or recommending inspection by a qualified expert, rather than a competency disclosure.
Unknown versus untrue
Extraordinary assumption fills an unknown. Hypothetical condition overrides an untrue. Ask yourself: do I not know, or do I know otherwise? The answer names the device.
How to use: Locate the appraiser's state of knowledge in the stem. Words like cannot access, unable to verify, or not observable signal an extraordinary assumption; words like although the building has burned or as though vacant signal a hypothetical condition.
Exam Tip
Both devices require clear disclosure, so the answer is never to leave the assumption unstated. If a choice omits disclosure, eliminate it.
Common Mistakes to Avoid
- -Labeling an unknown condition a hypothetical condition
- -Burying a consequential assumption in general limiting conditions
- -Using an extraordinary assumption without a reasonable basis
- -Failing to state that the opinion could change if the assumption is false
Concept Deep Dive
Analysis
This tests the distinction between an extraordinary assumption and a hypothetical condition, which candidates confuse constantly because both involve treating something as true. An extraordinary assumption concerns a matter that is uncertain: the appraiser does not know whether it is true, believes it reasonable based on available evidence, and recognizes that if it proved false the opinion would change. A hypothetical condition is different in kind, because it is contrary to what is known to exist as of the effective date, such as valuing a burned structure as though intact. Here the appraiser cannot see into the crawl space, so foundation condition is genuinely unknown, and the inference from construction era and visible framing makes the assumption reasonable rather than arbitrary. That is the textbook profile of an extraordinary assumption. Both devices require clear disclosure, and an extraordinary assumption may be used only when it is required for credible results, its use is reasonable given the assignment, and the appraiser has a reasonable basis for it.
Background Knowledge
You need the USPAP definitions of extraordinary assumption, uncertain but believed reasonable and directly related to the assignment, and hypothetical condition, contrary to what is known to exist. You also need the conditions for using an extraordinary assumption, namely that it is required for credible results, reasonable under the circumstances, and supported by a reasonable basis, together with the requirement to disclose both devices clearly.
Real-World Application
A crawl space access panel is sealed shut. You note the limitation, state an extraordinary assumption that the foundation is in condition consistent with the visible framing and the home's era, disclose that the value could change if that proves wrong, and recommend the client obtain an inspection before closing.
More USPAP Questions
Which statement best defines a hypothetical condition under USPAP?
According to the Competency Rule, if an appraiser lacks the knowledge and experience to complete an assignment competently, which action is NOT acceptable?
An appraiser runs only the sales comparison approach on a standard tract home and omits the cost and income approaches. Under Standard 1 this is:
A value opinion for a subdivision as if fully built out two years from now is what kind of assignment, and what does it require?
A hypothetical condition differs from an extraordinary assumption in that a hypothetical condition:
An appraiser must disclose in the certification whether they have:
A client-imposed requirement — 'use only comps from our approved list' — is best described as:
Under Standard 1, when developing a real property appraisal, an appraiser must:
The certification required by Standards Rule 2-3 must be signed by:
According to Standard 1, when developing an opinion of market value, an appraiser must analyze:
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