· rebuilt nightly from public records
Granite Excavation Inc has 3 public construction bids on record since 2026 and was low bidder on 0 (0%); the typical gap to the low bid was 12.5%.
Granite Excavation Inc bids on public construction work in Idaho since 2026, from the bid tabulations agencies publish: each job, what Granite Excavation bid, the low bid and who placed it.
Bid tabulations naming Granite Excavation since 2026, jobs of $100,000 or more.
Times Granite Excavation was the apparent low bidder.
Typical gap to the low bid: 12.5%Open bids in Idaho for the kind of work Granite Excavation has bid on, with a week or more left.
From the agency's published bid tabulation. Apparent low bidder is not always the award.
| Agency | Job | Decided | Granite Excavation bid | Low bidder | Low bid | Gap |
|---|---|---|---|---|---|---|
| Ada County Highway District | Franklin Road, McDermott Road to Black Cat Road | Oct 22, 2026 | $9,453,982 | Nampa Paving & Asphalt CO | $8,400,187 | +12.5% |
| Ada County Highway District | Stoddard Road, Victory Road to Overland Road | Oct 15, 2026 | $5,256,121 | Staker & Parson Companies DBA Idaho Materials & Construction | $4,498,378 | +16.8% |
| Ada County Highway District | Deep Canyon Drive - High Country Way to Highway 16 | Apr 24, 2026 | $784,000 | Capital Paving Company, Inc | $745,049 | +5.2% |
0 of 3 bids on record since 2026 (0%).
Capital Paving Company, Inc (3 times); Knife River Corporation - Mountain West (3 times); Suncore Construction and Materials, Inc (3 times); Staker & Parson Companies DBA Idaho Materials & Construction (2 times); Sunnyridge Construction, LLC (1 times).
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Compiled from public records and refreshed nightly; last updated Nov 5, 2026. Results are as the agency published them in its bid tabulation; apparent low bidder is not always the award. Firms are named as they appear on the tabulation; no individuals are named. Check the source before acting. See something wrong? Tell us and we will correct it.