For Paradise Valley property, historical valuation depends on evidence that describes the earlier property and the buyer choices available during that period. An older home may compete as a residence, a major-remodel candidate, or primarily for its site. Historical valuation is most reliable when the property interest, effective date, and local market are defined before the sales search expands.
Historical valuation should not be a current value pushed backward by a percentage. The assignment needs evidence from the selected period, including the subject's condition, property rights, competitive setting, and the alternatives buyers actually had. For Paradise Valley, the appraisal should consider estate-site quality only when it changes the subject's competitive position.
In the period being valued, the relevant buyer behavior depends on the historical condition and market period. An older home may compete as a residence, a major-remodel candidate, or primarily for its site. That feature should be documented as it existed then rather than inferred from the property's current appearance.
An old sale is not automatically a good historical comparable. The appraiser should understand the transaction, the neighborhood stage, the property's condition, and whether the sale reflected the same residential market during the period being studied.
Archived listings, photographs, permits, recorded documents, subdivision history, and improvement records can materially change the historical comparable set. The strongest record links those documents to market evidence from the same period.
A historical appraisal is most useful when the reader can follow the selected period, property condition, market segment, and comparable evidence from beginning to end.
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