County of Sonoma - Purchasing
100 public works projects registered with the California Department of Industrial Relations, 2011–2025 · Santa Rosa, Sonoma County. Reported contract value: $963,717.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2025 | 6 | $362,118 |
| 2024 | 11 | $504,089 |
| 2023 | 18 | — |
| 2022 | 1 | — |
| 2020 | 12 | — |
| 2019 | 15 | — |
| 2018 | 2 | — |
| 2017 | 10 | — |
| 2016 | 3 | — |
| 2015 | 12 | — |
| 2014 | 1 | — |
| 2013 | 2 | — |
| 2012 | 1 | — |
| 2011 | 1 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Parks, landscape & fields · 27
- Other · 26
- Demolition & site work · 14
- HVAC & mechanical · 7
- Concrete & masonry · 5
- Buildings & facilities · 5
- Fire & life safety · 5
- Paving & streets · 4
- Roofing · 3
- Electrical, low voltage & AV · 2
- Elevators & conveying · 1
- Sewer & wastewater · 1
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 |
|---|---|---|
| TRI COUNTY ELECTRIC INC | 2 | $97,510 |
| PACIFIC COAST SALES & SERVICE, INC. | 1 | $154,707 |
| STRYKER FIRE & SECURITY | 1 | $79,080 |
| CARR'S CONSTRUCTION SERVICE INC | 1 | $48,500 |
| WESTERN BUILDERS | 1 | $44,331 |
| HENRIS ROOFING CO | 1 | $37,683 |
| John Schaefer Engineering Inc. | 1 | $31,500 |
| SHANNON MASONRY CONSTRUCTION INC | 1 | $29,976 |
| REDHAWK GLASS INC | 1 | $29,683 |
| COASTSIDE CONCRETE & CONSTRUCTION INC | 1 | $27,500 |
| JOE'S SEWER AND DRAIN | 1 | $25,000 |
| INTEC SOLUTIONS INC | 1 | $16,397 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Sep 8, 2025 | Rotary Chiller RepairsHVAC & mechanical | PACIFIC COAST SALES & SERVICE, INC. | $154,707 |
| Aug 27, 2025 | UPS Emergency RepairsOther | JOE'S SEWER AND DRAIN | $25,000 |
| Aug 19, 2025 | Fire Alarm InspectionFire & life safety | STRYKER FIRE & SECURITY | $79,080 |
| Jul 24, 2025 | Sonoma Hub ADA ParkingPaving & streets | COASTSIDE CONCRETE & CONSTRUCTION INC | $27,500 |
| Jul 23, 2025 | Sonoma Vets Patio ProjectConcrete & masonry | John Schaefer Engineering Inc. | $31,500 |
| Jun 11, 2025 | Cotati Vets Bldg RepairsBuildings & facilities | WESTERN BUILDERS | $44,331 |
| Dec 27, 2024 | Remove/Replace Doors, Suite A & BBuildings & facilities | REDHAWK GLASS INC | $29,683 |
| Dec 18, 2024 | Annual Boiler PMHVAC & mechanical | — | $21,957 |
| Nov 22, 2024 | Duct System ReplaceHVAC & mechanical | — | $16,945 |
| Nov 12, 2024 | JJC Wall B SandblastingOther | SHANNON MASONRY CONSTRUCTION INC | $29,976 |
| Oct 29, 2024 | Sandblasting Existing Walls; ResealOther | — | $29,976 |
| Sep 19, 2024 | Roof Rebuild and Wall FramingRoofing | CARR'S CONSTRUCTION SERVICE INC | $48,500 |
| Sep 19, 2024 | PO Const Intec SolutionsHVAC & mechanical | INTEC SOLUTIONS INC | $16,397 |
| Sep 19, 2024 | Sewer Spot RepairSewer & wastewater | — | $22,972 |
| Sep 6, 2024 | Pythian Road Roof ReplacePaving & streets | HENRIS ROOFING CO | $37,683 |
| Jul 1, 2024 | Concrete Ready MixConcrete & masonry | — | $250,000 |
| Jan 31, 2024 | Battery ReplacementOther | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
| Dec 31, 2023 | Tree ServicesParks, landscape & fields | — | — |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.