A historical appraisal in Higley should explain what the property was, what the surrounding market was, and why the chosen sales belong to that time. Roads, schools, retail, and housing that arrived after the effective date should not be projected backward. The assignment should describe the property and market of the selected period, not simply discount or inflate a current value backward.
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 Higley, the appraisal should consider actual subdivision identity only when it changes the subject's competitive position.
For the earlier ownership or market period, roads, schools, retail, and housing that arrived after the effective date should not be projected backward. The earlier market may require a different comparable pool from the one that would make sense today.
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.
The most useful records are those that show the subject's condition, site utility, ownership interest, and neighborhood context during the selected period. The strongest record links those documents to market evidence from the same period.
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