City of Vacaville
434 public works projects registered with the California Department of Industrial Relations, 2012–2026 · Vacaville, Solano County. Reported contract value: $83,996,302.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 24 | $32,193,693 |
| 2025 | 34 | $30,975,631 |
| 2024 | 56 | $18,820,098 |
| 2023 | 41 | — |
| 2022 | 23 | — |
| 2021 | 26 | — |
| 2020 | 38 | — |
| 2019 | 35 | — |
| 2018 | 28 | — |
| 2017 | 31 | — |
| 2016 | 20 | — |
| 2015 | 11 | — |
| 2014 | 4 | — |
| 2013 | 3 | — |
| 2012 | 8 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Sewer & wastewater · 69
- Other · 59
- Paving & streets · 56
- Parks, landscape & fields · 56
- Water · 49
- Buildings & facilities · 34
- Electrical, low voltage & AV · 22
- Traffic & signals · 16
- Bridges & structures · 13
- Design, inspection & consulting · 12
- Solar, EV & energy · 10
- Roofing · 9
Inferred by Atriam from each project's name and description, not reported by the agency.
Contractors it awards most
| Prime contractor | Projects | Reported contract value |
|---|---|---|
| MATERIALS TESTING, INC. | 9 | $139,486 |
| KOIOS ENGINEERING INC | 4 | $19,311,273 |
| G S E CONSTRUCTION COMPANY INC | 4 | $3,561,221 |
| LISTER CONSTRUCTION INC | 4 | $3,410,340 |
| Luhdorff & Scalmanini Consulting Engineers | 3 | $1,560,335 |
| AMS.NET LLC | 3 | $210,442 |
| SHELDRAKE & MUMFORD INC | 3 | $128,177 |
| PAVEMENT COATINGS CO | 2 | $6,684,137 |
| NORTH STATE DRILLING | 2 | $3,417,520 |
| CONCO-WEST INC | 2 | $2,385,000 |
| Wood Rodgers Inc | 2 | $1,546,000 |
| Verdantas Inc. | 2 | $272,700 |
| CAG INVESTMENTS INC | 2 | $112,870 |
| STRIPING GRAPHICS | 2 | $79,525 |
| WASTEWATER SOLIDS MANAGEMENT, INC. | 2 | $76,920 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Nov 10, 2026 | EWWTP 1W Well 3 EquippingSewer & wastewater | CONCO-WEST INC | $547,000 |
| Aug 25, 2026 | WO#2 NBR Conveyance FacilitiesParks, landscape & fields | Verdantas Inc. | $108,839 |
| Aug 25, 2026 | WO #3 Peabody Transmission MainDesign, inspection & consulting | Verdantas Inc. | $163,861 |
| Jul 30, 2026 | Alamo Creek Bridge Waterline ReplacementBridges & structures | CORCUS CONSTRUCTION INC | $310,122 |
| Jul 30, 2026 | Bike Trail Pedestrian ImprovementsTraffic & signals | LISTER CONSTRUCTION INC | $198,886 |
| Jul 30, 2026 | Alamo Creek Bridge Water Line (MT)Bridges & structures | MATERIALS TESTING, INC. | $9,834 |
| Jul 30, 2026 | Bike Trail Improvements ProjectParks, landscape & fields | MATERIALS TESTING, INC. | $13,299 |
| Jul 28, 2026 | Well 16 Hexavalent Chromium TreatmentSewer & wastewater | G S E CONSTRUCTION COMPANY INC | $3,132,900 |
| Jul 27, 2026 | EWWTP Secondary Digester CleaningSewer & wastewater | WASTEWATER SOLIDS MANAGEMENT, INC. | $43,960 |
| Jun 30, 2026 | Well 24 Drilling and EquippingWater | Luhdorff & Scalmanini Consulting Engineers | $408,596 |
| Jun 23, 2026 | Well 23 and 24 Construction and TestingWater | NORTH STATE DRILLING | $3,394,402 |
| Jun 19, 2026 | Allison Parkway Sewer Trunk Upgrade (MT)Sewer & wastewater | GEOCON CONSULTANTS, INC | $26,505 |
| Jun 19, 2026 | Sierra Park Improvements (MT)Parks, landscape & fields | MATERIALS TESTING, INC. | $10,000 |
| Jun 9, 2026 | Midway Road Waterline (MT)Water | MATERIALS TESTING, INC. | $26,102 |
| Jun 3, 2026 | 2026 Slurry Seal (MT)Paving & streets | MATERIALS TESTING, INC. | $7,062 |
| May 20, 2026 | 2026 AC Repair (MT)Other | MATERIALS TESTING, INC. | $13,000 |
| Apr 27, 2026 | EWWTP Chlorine Contact Basin Ladder/GateSewer & wastewater | G S E CONSTRUCTION COMPANY INC | $47,345 |
| Apr 14, 2026 | Tulare Drive Water Line ReplacementWater | KOIOS ENGINEERING INC | $553,140 |
| Apr 2, 2026 | Headworks HVAC replacementHVAC & mechanical | Intech Mechanical Company, Inc. | $48,000 |
| Mar 24, 2026 | 2026 Slurry SealPaving & streets | PAVEMENT COATINGS CO | $2,924,739 |
| Mar 24, 2026 | Wells 18, 19 & 20 EquippingWater | MOUNTAIN CASCADE INC | $10,196,235 |
| Mar 24, 2026 | 2026 AC Repair ProjectPaving & streets | LISTER CONSTRUCTION INC | $1,175,602 |
| Mar 24, 2026 | Midway Road Water Line ProjectWater | KOIOS ENGINEERING INC | $8,415,550 |
| Jan 27, 2026 | Construction and Testing of Well 21Water | — | $418,715 |
| Dec 9, 2025 | Well 22 Equipping ProjectWater | CONCO-WEST INC | $1,838,000 |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.