For Aguila property, historical valuation depends on evidence that describes the earlier property and the buyer choices available during that period. Changes to wells, irrigation, buildings, or land use after the effective date should not be carried backward. A historical appraisal is an evidence-reconstruction exercise: what existed, what buyers knew, and which alternatives were actually available then.
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 Aguila, the appraisal should consider remote buyer pool only when it changes the subject's competitive position.
For the earlier ownership or market period, changes to wells, irrigation, buildings, or land use after the effective date should not be carried backward. Historical evidence should show whether that condition existed during the period being valued and how buyers responded to it.
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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