Paving · awarded bid prices · Dupage County
Aggregate subgrade improve: cost per cubic yard in Dupage County, IL
Listed by the agency as “Agg Subgrade Improve”.
The median awarded price is $50.00 per cubic yard, from 31 winning bids on 31 public projects in Dupage County, IL (2023–2026). Half of the awarded prices fall between $32.50 and $69.68.
Cost by state › Illinois › Dupage County › Agg Subgrade Improve
Winning bids only, as printed in the agencies' bid tabulations (IDOT). The county is the one the agency recorded for the project. These are prices agencies awarded, not quotes: a price on a given job depends on quantity, location and timing, and the figures here are not adjusted for any of them.
Trend
The median awarded price went from $40.00 in 2020 to $49.00 in 2026 (+22%).
| Year | Median per cubic yard | Winning bids |
|---|---|---|
| 2020 | $40.00 | 11 |
| 2022 | $35.00 | 7 |
| 2023 | $25.00 | 9 |
| 2024 | $45.00 | 10 |
| 2025 | $58.00 | 11 |
| 2026 | $49.00 | 8 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Jun 12, 2026 | IDOT | 2 CU YD | $250.00 | Open bid tab, 62X52 ↗ |
| Apr 24, 2026 | IDOT | 20 CU YD | $45.00 | Open bid tab, 61L84 ↗ |
| Apr 24, 2026 | IDOT | 36 CU YD | $50.00 | Open bid tab, 61M36 ↗ |
| Apr 24, 2026 | IDOT | 176 CU YD | $10.00 | Open bid tab, 61M37 ↗ |
| Feb 27, 2026 | IDOT | 159 CU YD | $65.00 | Open bid tab, 80B15 ↗ |
See every awarded price for this item on the Agg Subgrade Improve item page.
Related items in Dupage County
- Sidewalk Rem: $2.90 per square foot
- Pc Conc Sidewalk 5: $10.00 per square foot
- Hma Surf Rem Butt Jt: $18.00 per square yard
- Long Joint Sealant: $3.15 per linear foot
- Comb Curb Gutter Rem: $11.00 per linear foot
- Drive Pavement Rem: $22.72 per square yard
- Hma Sc Il-9.5 D N50: $110.00 per ton
- Pavement Rem: $21.00 per square yard