Sonoma County Water Agency.
358 public works projects registered with the California Department of Industrial Relations, 2012–2026 · Santa Rosa, Sonoma County. Reported contract value: $52,138,114.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 16 | $13,296,287 |
| 2025 | 26 | $29,038,868 |
| 2024 | 27 | $7,005,846 |
| 2023 | 21 | $683,338 |
| 2022 | 33 | $448,000 |
| 2021 | 27 | $1,200,000 |
| 2020 | 20 | — |
| 2019 | 32 | — |
| 2018 | 41 | $465,775 |
| 2017 | 36 | — |
| 2016 | 40 | — |
| 2015 | 13 | — |
| 2014 | 12 | — |
| 2013 | 8 | — |
| 2012 | 6 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Other · 133
- Water · 44
- Design, inspection & consulting · 40
- Sewer & wastewater · 29
- Storm drain & flood control · 23
- Electrical, low voltage & AV · 23
- Buildings & facilities · 18
- Parks, landscape & fields · 9
- HVAC & mechanical · 9
- Roofing · 7
- Bridges & structures · 6
- Paving & streets · 6
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 |
|---|---|---|
| KLEINFELDER INC | 4 | $1,662,600 |
| Gaya Coating Consulting, Inc. | 3 | $1,030,745 |
| SOCAL PACIFIC CONSTRUCTION CORP. | 2 | $5,865,550 |
| KLEINFELDER CONSTRUCTION SERVICES, INC | 2 | $443,100 |
| ABM BUILDING SOLUTIONS, LLC | 2 | $195,000 |
| ARGONAUT CONSTRUCTORS INC | 1 | $1,253,967 |
| PACIFIC COAST DRILLING COMPANY INC | 1 | $840,000 |
| GHILOTTI CONSTRUCTION COMPANY INC | 1 | $515,860 |
| EBA ENGINEERING | 1 | $150,000 |
| SONOMA ECOLOGY CENTER | 1 | $100,000 |
| POINT REYES BIRD OBSERVATORY | 1 | $100,000 |
| VINCE SIGAL ELECTRIC INC | 1 | $100,000 |
| Sonoma County Resource Recovery, LLC | 1 | $90,000 |
| HACH | 1 | $54,603 |
| BRELJE & RACE CONSULTING ENGINEERS | 1 | $50,000 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Sep 21, 2026 | Coating Inspection Sonoma Tank No. 1Other | Gaya Coating Consulting, Inc. | $303,535 |
| Sep 15, 2026 | Sonoma Tank No. 1 RecoatOther | SOCAL PACIFIC CONSTRUCTION CORP. | $1,894,140 |
| Aug 28, 2026 | As-Needed Engineering Design ServicesDesign, inspection & consulting | KLEINFELDER INC | $1,000,000 |
| Aug 28, 2026 | Riparian Corridor Uppr Calabazas Crk Ph2Other | SONOMA ECOLOGY CENTER | $100,000 |
| Aug 21, 2026 | As-Needed Structural Engineering ServiceStorm drain & flood control | — | $1,000,000 |
| Aug 4, 2026 | Demuth Property Test WellWater | WEEKS DRILLING AND PUMP COMPANY | $289,975 |
| Jul 16, 2026 | As-Needed Sanitation Engineering ServiceDesign, inspection & consulting | SCHAAF & WHEELER CONSULTING CIVIL ENGINE | $1,000,000 |
| Jun 8, 2026 | As-Needed Electrical ServicesElectrical, low voltage & AV | O'ROURKE ELECTRIC INC | $150,000 |
| Jun 8, 2026 | Coating Inspection For Ralphine Tank #1Other | Gaya Coating Consulting, Inc. | $387,210 |
| Jun 2, 2026 | SVCSD Sewer Trunk Main Replacement Ph 5BSewer & wastewater | ARGONAUT CONSTRUCTORS INC | $1,253,967 |
| May 9, 2026 | Maint of Solar Photovoltaic Power GWTPSolar, EV & energy | VINCE SIGAL ELECTRIC INC | $100,000 |
| Apr 28, 2026 | Ralphine Tank No. 1 RecoatWater | SOCAL PACIFIC CONSTRUCTION CORP. | $3,971,410 |
| Mar 24, 2026 | SVCSD System Protection Plan at Kohler aParks, landscape & fields | PASSENGER CONSTRUCTION CORP | $1,656,447 |
| Mar 19, 2026 | On-site Instrumentation MaintenanceSewer & wastewater | HACH | $54,603 |
| Feb 26, 2026 | HVAC Routine Preventative MaintenanceHVAC & mechanical | ABM BUILDING SOLUTIONS, LLC | $45,000 |
| Jan 1, 2026 | Parking Lot Sweeping ServicesOther | Sonoma County Resource Recovery, LLC | $90,000 |
| Dec 18, 2025 | Feasibility Study 8th St East RecycledOther | BROWN AND CALDWELL | $438,199 |
| Dec 9, 2025 | Wilfred Booster Station ResiliencyWater | — | $6,809,340 |
| Nov 25, 2025 | Asphalt PavingPaving & streets | — | $62,760 |
| Oct 24, 2025 | North Sonoma Mt Reg Prk RestorationOther | LAGUNA LANDSCAPING | $100,000 |
| Oct 22, 2025 | HVAC Corr Maintenance/ Repair ServHVAC & mechanical | ABM BUILDING SOLUTIONS, LLC | $150,000 |
| Oct 2, 2025 | Eng and Design Graton Transfer PipelineDesign, inspection & consulting | WATER SYSTEMS CONSULTING, INC. | $1,757,103 |
| Sep 24, 2025 | On-Site Meter Calibration ServicesBuildings & facilities | FLEXIM AMERICAS CORPORATION | $150,000 |
| Sep 23, 2025 | Eames Ranch at San Antonio Crk RestorOther | POINT REYES BIRD OBSERVATORY | $100,000 |
| Sep 13, 2025 | Flood Warning Monitoring Network SystemStorm drain & flood control | ONERAIN INCORPORATED | $73,459 |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.