Central Contra Costa Sanitary District
252 public works projects registered with the California Department of Industrial Relations, 2000–2026 · Martinez, Contra Costa County. Reported contract value: $87,874,570.
Projects by year
| Year | Projects | Reported contract value |
|---|---|---|
| 2026 | 15 | $14,813,100 |
| 2025 | 15 | $21,930,736 |
| 2024 | 15 | $26,380,585 |
| 2023 | 30 | $3,080,000 |
| 2022 | 16 | $1,750,000 |
| 2021 | 21 | — |
| 2020 | 36 | $13,000,000 |
| 2019 | 28 | — |
| 2018 | 28 | $6,399,000 |
| 2017 | 16 | — |
| 2016 | 2 | — |
| 2015 | 8 | — |
| 2014 | 3 | — |
| 2013 | 4 | — |
| 2012 | 8 | — |
| 2000 | 1 | — |
DIR has published contract amounts since July 2024; earlier years count projects only.
Types of work
- Other · 76
- Design, inspection & consulting · 43
- Sewer & wastewater · 42
- Buildings & facilities · 22
- Electrical, low voltage & AV · 13
- HVAC & mechanical · 12
- Water · 10
- Roofing · 7
- Paving & streets · 5
- Fire & life safety · 5
- Solar, EV & energy · 4
- Demolition & site work · 4
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 |
|---|---|---|
| C OVERAA & CO | 3 | $7,611,000 |
| SONNIKSON AND STORDAHL CONSTRUCTION | 3 | $288,380 |
| CRATUS INC. | 2 | $7,062,630 |
| CONVERGINT TECHNOLOGIES LLC | 2 | $196,076 |
| NATIONAL PLANT SERVICES INC | 1 | $11,500,000 |
| PRECISION ENGINEERING INC | 1 | $6,412,130 |
| InCharge Energy, Inc. | 1 | $1,491,178 |
| TELSTAR INSTRUMENTS | 1 | $1,056,565 |
| MCK Americas, Inc. | 1 | $700,000 |
| Alpha CM Inc | 1 | $700,000 |
| MARK THOMAS & COMPANY, INC. | 1 | $650,000 |
| TJC AND ASSOCIATES, INC. | 1 | $500,000 |
| W R FORDE ASSOCIATES INC | 1 | $357,000 |
| AIR SYSTEMS INC | 1 | $67,518 |
| PRIME MECHANICAL SERVICE INC | 1 | $63,650 |
Latest projects
| Date | Project | Prime contractor | Contract amount |
|---|---|---|---|
| Sep 2, 2026 | HOB 3rd Floor Walls & Doors RestorationBuildings & facilities | ATHENS PAINTING & COMMERCIAL COATINGS INC | $41,193 |
| Aug 20, 2026 | South Orinda Sewer Renovations, Phase 9Sewer & wastewater | CALIFORNIA TRENCHLESS INC | $4,293,655 |
| Aug 19, 2026 | Plant HR Chiller Room ImprovementsHVAC & mechanical | SONNIKSON AND STORDAHL CONSTRUCTION | $78,000 |
| Aug 13, 2026 | Rheem Blvd. Sewer ModificationSewer & wastewater | FLOWING WATER | $45,200 |
| Jul 30, 2026 | CSO HVAC Boiler ReplacementHVAC & mechanical | PRIME MECHANICAL SERVICE INC | $63,650 |
| Jun 18, 2026 | Lafayette Sewer Renovations, Phase 16Sewer & wastewater | K J WOODS CONSTRUCTION INC | $5,478,000 |
| May 29, 2026 | EV Charging InfrastructureSolar, EV & energy | InCharge Energy, Inc. | $1,491,178 |
| Apr 30, 2026 | District-wide compaction testing 2026-29Other | NEIL O ANDERSON AND ASSOCIATES INC | $300,000 |
| Apr 20, 2026 | Boneyard DemolitionDemolition & site work | SONNIKSON AND STORDAHL CONSTRUCTION | $183,860 |
| Apr 13, 2026 | Districtwide Compaction Testing 2026-29Other | QUALITY ASSURANCE ENGINEERING, INC. | $300,000 |
| Apr 1, 2026 | District-Wide Compaction TestingOther | TWINING, INC. | $300,000 |
| Mar 19, 2026 | Secondary Clarifier Immediate Imps.Other | C OVERAA & CO | $1,930,000 |
| Feb 17, 2026 | Tank PadConcrete & masonry | SONNIKSON AND STORDAHL CONSTRUCTION | $26,520 |
| Feb 6, 2026 | HOB Flood ReconstructionStorm drain & flood control | BELFOR USA GROUP, INC. | $62,844 |
| Jan 22, 2026 | HOB Front Entrance ImprovementsDemolition & site work | BNO BUILDERS INC | $219,000 |
| Dec 31, 2025 | District-Wide Construction Inspection SeDesign, inspection & consulting | — | $1,200,000 |
| Dec 30, 2025 | Brightsign and Display ReplacementOther | RTS SOLUTIONZ INC DBA SOLUTIONZ LOW VOLTAGE SYSTEMS | $32,140 |
| Nov 26, 2025 | Microphones for the Multi-Purpose RoomBuildings & facilities | ONE DIVERSIFIED LLC | $22,325 |
| Oct 27, 2025 | POB Key Box ImprovementsBuildings & facilities | CONVERGINT TECHNOLOGIES LLC | $141,606 |
| Oct 2, 2025 | As-needed construction inspectionDesign, inspection & consulting | INFERRERA CONSTRUCTION MANAGEMENT GROUP, | $700,000 |
| Oct 2, 2025 | As-needed construction inspectionDesign, inspection & consulting | CONSOLIDATED CM | $1,000,000 |
| Oct 2, 2025 | As-needed construction inspectionOther | Alpha CM Inc | $700,000 |
| Oct 2, 2025 | As-needed construction inspectionDesign, inspection & consulting | MCK Americas, Inc. | $700,000 |
| Sep 18, 2025 | Wet Weather Basin Improvements, Phase 1Electrical, low voltage & AV | W R FORDE ASSOCIATES INC | $357,000 |
| Jul 17, 2025 | Pleasant Hill Sewer Renovations, Phase 4Sewer & wastewater | PRECISION ENGINEERING INC | $6,412,130 |
Source: California Department of Industrial Relations public works project registrations (PWC-100), updated daily by Atriam.