MAILBOX SUPPORT TYPE 1 — WA

Historical winning-bid prices from public bid tabulations · 24-month window · as of 2026-09-14

Median winning bid

$665.00 / EA

Avg bidders per letting

2.6

Sample

13 bids · 3 bidders
3 lettings

The full percentile spread (P25 / median / P75, winning vs all bids, spread and engineer's-estimate deltas) is free with an account.

Create a free account

Open bids in WA →

Other work types in WA

REIMBURSEMENT FOR THIRD PARTY DAMAGE
MOBILIZATION
SPCC PLAN
WORK ZONE SAFETY CONTINGENCY
PROJECT TEMPORARY TRAFFIC CONTROL
ESC LEAD
ROADSIDE CLEANUP
EROSION/WATER POLLUTION CONTROL

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.