Paving · awarded bid prices · Kane County
Aggregate subgrade improve: cost per cubic yard in Kane County, IL
Listed by the agency as “Agg Subgrade Improve”.
The median awarded price is $50.00 per cubic yard, from 25 winning bids on 25 public projects in Kane County, IL (2023–2026). Half of the awarded prices fall between $39.71 and $58.00.
Cost by state › Illinois › Kane 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 $45.00 in 2019 to $49.16 in 2026 (+9%).
| Year | Median per cubic yard | Winning bids |
|---|---|---|
| 2019 | $45.00 | 9 |
| 2022 | $60.00 | 5 |
| 2023 | $66.88 | 8 |
| 2024 | $35.62 | 6 |
| 2025 | $50.47 | 11 |
| 2026 | $49.16 | 6 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Jul 31, 2026 | IDOT | 19814 CU YD | $0.01 | Open bid tab, 61M13 ↗ |
| Jun 12, 2026 | IDOT | 88 CU YD | $25.00 | Open bid tab, 61M44 ↗ |
| Jun 12, 2026 | IDOT | 649 CU YD | $60.00 | Open bid tab, 80B23 ↗ |
| Apr 24, 2026 | IDOT | 17146 CU YD | $55.58 | Open bid tab, 61L48 ↗ |
| Apr 24, 2026 | IDOT | 1240 CU YD | $58.00 | Open bid tab, 61M17 ↗ |
See every awarded price for this item on the Agg Subgrade Improve item page.
Related items in Kane County
- Hma Surf Rem Butt Jt: $20.00 per square yard
- Long Joint Sealant: $3.48 per linear foot
- Sidewalk Rem: $2.83 per square foot
- Pc Conc Sidewalk 5: $11.00 per square foot
- Mix Cr Jts Flangewys: $216.98 per ton
- Hma Sc Il-9.5 D N50: $93.00 per ton
- Comb Curb Gutter Rem: $10.00 per linear foot
- Pavement Rem: $19.00 per square yard