A prior-date valuation in El Mirage should be built from the market buyers actually faced, not from today's completed version of the area. Builder era, lot pattern, HOA status, street location, and housing product can separate buyer pools even within a compact municipal boundary. The historical date is the anchor; later sales and improvements may provide context but cannot substitute for evidence from the relevant period.
A retrospective appraisal should identify what the neighborhood, competing inventory, access, and development pattern looked like on the effective date. Later growth can explain how the area changed, but it should not be used as if historical buyers already had those choices. For El Mirage, the appraisal should consider compact-market segmentation only when it changes the subject's competitive position.
In reconstructing the prior market, builder era, lot pattern, HOA status, street location, and housing product can separate buyer pools even within a compact municipal boundary. In retrospective work, the issue has to be viewed from the earlier market rather than from today's completed setting.
Looking back to the earlier market, regional employment and transportation access may support demand, while adjacency to heavier traffic or nonresidential uses can affect an individual property differently. That can justify moving beyond the closest sale when a more distant transaction better matches the historical buyer decision.
Market movement can help explain the period, but a retrospective value should not be produced by mechanically applying a citywide appreciation rate to today's value. The subject still needs historical comparable evidence from its actual segment.
Old listings, photographs, permit history, recorded documents, maps, and subdivision records can help reconstruct both the subject and its surroundings. Later information can be considered as context, but it should not replace evidence from the prior market.
The final value should reflect the market participants actually faced on the earlier date. A clear reconciliation explains both the evidence that was used and the later information that was intentionally kept out.
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