Paving · awarded bid prices · Rock County
Tack Coat: cost per gallon in Rock County, WI
The median awarded price is $2.67 per gallon, from 20 winning bids on 20 public projects in Rock County, WI (2024–2026). Half of the awarded prices fall between $0.887 and $3.16.
Cost by state › Wisconsin › Rock County › Tack Coat
Winning bids only, as printed in the agencies' bid tabulations (WisDOT). 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 $2.73 in 2019 to $1.00 in 2026 (-63%).
| Year | Median per gallon | Winning bids |
|---|---|---|
| 2019 | $2.73 | 7 |
| 2020 | $5.00 | 5 |
| 2021 | $2.64 | 8 |
| 2024 | $2.67 | 8 |
| 2025 | $3.16 | 6 |
| 2026 | $1.00 | 6 |
Most recent source documents
| Letting | Agency | Quantity | Awarded unit price | Source |
|---|---|---|---|---|
| Aug 11, 2026 | WisDOT | 767 GAL | $2.00 | Open bid tab, letting 20260811, call 003 |
| May 12, 2026 | WisDOT | 14271 GAL | $0.01 | Open bid tab, letting 20260512, call 002 |
| May 12, 2026 | WisDOT | 397 GAL | $0.55 | Open bid tab, letting 20260512, call 003 |
| May 12, 2026 | WisDOT | 16 GAL | $1.00 | Open bid tab, letting 20260512, call 004 |
| Apr 14, 2026 | WisDOT | 330 GAL | $1.00 | Open bid tab, letting 20260414, call 009 |
The same item across Wisconsin: statewide figures. See every awarded price for this item on the Tack Coat item page.
Related items in Rock County
- Sawing Asphalt: $1.49 per linear foot
- Base Aggregate Dense 1 1/4-Inch: $15.00 per ton
- Construction Staking Subgrade: $0.01 per linear foot
- Construction Staking Curb Gutter and Curb & Gutter: $2.00 per linear foot
- Removing Curb & Gutter: $7.03 per linear foot