Koski Construction Co.
Agencies this contractor has bid with
City Of Geneva (owner per Verdantas posting) · City of Conneaut (owner per Verdantas posting) · City of Geneva (owner per Verdantas posting) · Village of Jefferson (owner per Verdantas posting) · Village of Orwell (owner per Verdantas posting) · Ashtabula Co. Bd. of Commissioners (owner per Verdantas posting) · Ashtabula County Board of Commissioners (owner per Verdantas posting)
Items most often priced
- Contingency/Discretionary Allowance / LS
- Bonds And Insurances, As Per Plan / LS
- Mobilization / LS
- Asphalt Concrete Surface Course, Type 1, (448), Pg64-22, As Per Plan / CY
- Pavement Planing, Asphalt Concrete, As Per Plan / SY
- Tack Coat, Trackless Tack / GAL
- Preconstruction Video Documentation / LS
- Partial Depth Pavement Repair, As Per Plan / SY
- Maintaining Traffic, As Per Plan / LS
- Pavement Repair, As Per Plan / CY
Item pages show winning bids only; this list says what the contractor priced, not what it won.
Latest source documents
| Letting | Agency | Project | Source |
|---|---|---|---|
| Jul 23, 2026 | City of Geneva (owner per Verdantas posting) | 0000043720 | Open the bid tab ↗bids.verdantas.com |
| Jun 25, 2026 | Ashtabula County Board of Commissioners (owner per Verdantas posting) | 0000037524 | Open the bid tab ↗bids.verdantas.com |
| May 30, 2025 | Village of Orwell (owner per Verdantas posting) | 0000031849 | Open the bid tab ↗bids.verdantas.com |
| Jun 21, 2024 | Village of Jefferson (owner per Verdantas posting) | 241197 | Open the bid tab ↗bids.verdantas.com |
| May 31, 2024 | City of Conneaut (owner per Verdantas posting) | 241280 | Open the bid tab ↗bids.verdantas.com |
Names are printed as the bidder on public bid tabulations. Grouping of spelling variants is automatic; tell us if two companies were merged or one was split.
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Win rate, rank and price position
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