DETECTABLE WARNING SURFACE — WA
Historical winning-bid prices from public bid tabulations · 24-month window · as of 2026-10-29
Median winning bid
$40.00 / SF
Avg bidders per letting
2.7
Sample
60 bids · 3 bidders
22 lettings
22 lettings
The full percentile spread (P25 / median / P75, winning vs all bids, spread and engineer's-estimate deltas) is free with an account.
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Informational aggregate of past public bid results. Not an estimate, appraisal, or recommendation for any specific project; actual costs vary with field conditions, scope, and timing. Verify against source documents.