Aggregate base course cost per cubic yard in Illinois
Updated · BuildGets Team
Public bids in Illinois put the aggregate base course at a median of $32.00 per cubic yard, with the middle half of bids between $25.00 and $46.25. That is 64 % below the national median of $89.50. Based on 13 bidder prices from 1 public bid tabulation opened in June 2024.
| Median bid in Illinois | $32.00 / CY |
| Middle 50 % of bids | $25.00 – $46.25 |
| National median | $89.50 (-64 %) |
| Bidder prices · bid tabs · owners | 13 · 1 · 1 |
Bid tabs in Illinois
| Owner | Bid opening | Low bid | Median of bids | Bids |
|---|---|---|---|---|
| Old Town 1-A Recon. | Jun 2024 | $26.50 | 18 |
Prices are what contractors bid on public jobs in Illinois, not installed costs from a price book. What each item includes varies by owner: read the item description in each bid tab before comparing. National figure and every state: aggregate base course unit price. Every unit price in Illinois: Illinois unit prices.
Cite as: BuildGets BID, Aggregate base course cost per cubic yard in Illinois, October 2026. https://www.buildgets.com/us/unit-prices/aggregate-base-course-per-cy/il/ (CC BY 4.0)
Questions
How much does an aggregate base course cost in Illinois?
Public bids in Illinois put the aggregate base course at a median of $32.00 per cubic yard, with the middle half of bids between $25.00 and $46.25. That is 64 % below the national median of $89.50. Based on 13 bidder prices from 1 public bid tabulation opened in June 2024.
Is Illinois more expensive than the national average?
For this item the Illinois median bid is 64 % below the national median of $89.50. Bid prices depend on the owner, the job size and what the item includes, so compare with the sources below.