Paving · awarded bid prices · Kane County
Aggregate subgrade impr 12: cost per square yard in Kane County, IL
Listed by the agency as “Agg Subgrade Impr 12”.
The median awarded price is $19.00 per square yard, from 24 winning bids on 24 public projects in Kane County, IL (2023–2026). Half of the awarded prices fall between $15.65 and $28.01.
Cost by state › Illinois › Kane County › Agg Subgrade Impr 12
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 $15.25 in 2020 to $21.00 in 2026 (+38%).
| Year | Median per square yard | Winning bids |
|---|---|---|
| 2020 | $15.25 | 6 |
| 2022 | $19.25 | 6 |
| 2023 | $18.02 | 8 |
| 2024 | $14.25 | 6 |
| 2025 | $20.50 | 10 |
| 2026 | $21.00 | 6 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Jul 31, 2026 | IDOT | 26454 SQ YD | $13.25 | Open bid tab, 61M13 ↗ |
| Jun 12, 2026 | IDOT | 689 SQ YD | $20.00 | Open bid tab, 61L30 ↗ |
| Jun 12, 2026 | IDOT | 7785 SQ YD | $30.00 | Open bid tab, 80B23 ↗ |
| Apr 24, 2026 | IDOT | 8749 SQ YD | $28.04 | Open bid tab, 61L48 ↗ |
| Apr 24, 2026 | IDOT | 15031 SQ YD | $18.00 | Open bid tab, 61M17 ↗ |
See every awarded price for this item on the Agg Subgrade Impr 12 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