Special-use properties — facilities designed for a narrow, specific function — present valuation challenges that don’t arise with more conventional commercial real estate. Limited market data requires appraisers to adapt their methodology accordingly.

The cost approach is sometimes treated as a secondary check on other methods, but for certain assignments it is the most reliable — and sometimes the only defensible — approach available. Understanding when appraisers lean on it clarifies why a report might weight it heavily.

The sales comparison approach looks straightforward on its face — find similar sales, adjust for differences, arrive at a value. The credibility of that value conclusion, however, rests entirely on how well the appraiser supports each adjustment applied.

When a property is subject to a lease, 'value' can mean different things depending on whose interest is being valued. Understanding the distinction between the leased fee and leasehold interests is essential to interpreting an appraisal correctly.

A building with ground-floor retail and upper-floor office or residential space doesn't fit neatly into a single property-type analysis. Mixed-use appraisals require appraisers to analyze each component on its own terms before arriving at a unified value conclusion.

A credible commercial appraisal follows a defined sequence designed to produce a supportable, USPAP-compliant opinion of value.