Alternative Inspections
~9 min read · Use desktop and exterior-only scopes with the right disclosures and limits.
The inspection spectrum now runs from full interior walkthroughs to desktop appraisals with no visit at all — legitimate when the assignment fits, the data fills the gap, and the report says exactly what was and wasn't observed.
The spectrum
Full interior-exterior inspection: the traditional standard — direct observation of condition, quality, layout. Exterior-only (drive-by): the appraiser sees the outside; interior facts come from records, MLS, imagery. Desktop: no personal observation — data-only. Hybrid/bifurcated: a trained third party (inspector, agent) collects interior data on a standardized form; the appraiser analyzes and values. Lender programs (inspection waivers aside) increasingly deploy the lighter scopes for lower-risk loans.
- Full → exterior-only → hybrid → desktop: shrinking observation
- Hybrid: third-party data collection, appraiser analysis
- Scope tracks assignment risk and data availability
USPAP alignment
USPAP does not mandate ANY inspection — it mandates credible results and honest disclosure: the scope of work must fit the intended use, the appraiser identifies property characteristics from reliable sources, the certification states whether the appraiser personally inspected, and unobserved facts ride on stated extraordinary assumptions (interior condition presumed consistent with exterior and records). Competency includes judging when the lighter scope CANNOT produce credible results — unique properties, suspected condition issues, litigation stakes.
- No inspection mandate — a credibility mandate
- Certification discloses personal-inspection status
- Unobserved interiors = disclosed extraordinary assumptions
- Some assignments simply require eyes inside
Risk management
The lighter the scope, the heavier the data duty: recent imagery, permit history, prior listings' interior photos, third-party reports — assembled and cross-checked. Red flags that upgrade the scope: value outliers, damage indicators in imagery, conflicting records, complex or unique improvements. The report's honesty test: a reader should know precisely what the appraiser saw, assumed, and relied upon.
Worked example
A lender orders a desktop appraisal on a refinance: strong borrower, 55% LTV, tract home with a 2023 MLS listing full of interior photos. Mid-analysis, aerial imagery shows a blue tarp on the roof. How does the appraiser proceed?
The assignment fit was reasonable — low risk, homogeneous product, rich recent data: a desktop with an extraordinary assumption (interior consistent with the 2023 photos and records) could produce credible results, certification disclosing no personal inspection. The tarp changes it: observable evidence of possible damage contradicts the presumed condition — continuing on the old assumption is no longer credible. Options: expand scope (site visit or current third-party inspection), or condition the assignment (hypothetical/assumption only if the client redefines the problem, prominently disclosed — rarely appropriate once damage is indicated). The principle the exam wants: alternative inspections are legitimate until evidence says the data can't carry the value — then the scope grows, not the assumptions.
Common exam pitfalls
Treating desktop scope as lower-quality-allowed.
The credibility standard never shrinks — only the observation method changes, with data filling the gap.
Hiding the inspection level.
The certification states personal-inspection status; the report states data sources and assumptions plainly.
Riding assumptions past red flags.
Evidence contradicting the presumed condition demands scope expansion, not a thicker disclaimer.
See it, half-see it, or read it — but say which, source the gap, and upgrade the scope when the tarp shows.
Recap
- Spectrum: full, exterior-only, hybrid/bifurcated, desktop
- USPAP mandates credibility and disclosure, not inspection
- Personal-inspection status in the certification
- Unobserved facts = disclosed extraordinary assumptions
- Data duty rises as observation falls
- Red flags convert light scopes into site visits
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