A historical appraisal in El Mirage should explain what the property was, what the surrounding market was, and why the chosen sales belong to that time. Regional employment and transportation access may support demand, while adjacency to heavier traffic or nonresidential uses can affect an individual property differently. The earlier period should be treated as its own market rather than viewed through today's completed development and remodeled housing stock.
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 El Mirage, the appraisal should consider condition only when it changes the subject's competitive position.
For the earlier ownership or market period, regional employment and transportation access may support demand, while adjacency to heavier traffic or nonresidential uses can affect an individual property differently. Period-specific records and sales are more useful than present-day assumptions when this characteristic changed over time.
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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