R & W CONCRETE CONTRACTORS INCORPORATED
California contractor license #306552 · San Carlos, San Mateo County
License
- License number
- 306552
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- Business type
- Corporation
- Issued
- Jun 17, 1975
- Expires
- Dec 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Oak River Insurance Company
- Contractor's bond
- $25,000 — Nationwide Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Feb 3, 2026. Verify license #306552 on CSLB's License Check.
California public works
R & W CONCRETE CONTRACTORS INCORPORATED appears on 12 public works projects registered with the California Department of Industrial Relations, for 10 awarding bodies between 2017 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jan 2, 2026 | CP355 AWPF Switchgear ReplacementElectrical, low voltage & AV | Monterey One Water | Subcontractor | $2,475,800 |
| Dec 19, 2025 | Penitencia Water Treatment Plant ResiduaWater | Santa Clara Valley Water District - CCSU | Subcontractor | $90,569,600 |
| Nov 25, 2025 | Lafayette Reservoir Tower Safety UpgradeWater | EBMUD Construction Div | Subcontractor | $14,490,490 |
| May 12, 2025 | Alvarado-Niles Improvement ProjectBridges & structures | Alameda County Water District | Subcontractor | $20,625,220 |
| May 6, 2025 | TP1 And IWTF Facilities Imp. CIP 9317Sewer & wastewater | City of Salinas - (PUB WORKS) | Subcontractor | $7,050,000 |
| Mar 11, 2025 | HH-1016 Phase 2b and 2COther | San Francisco Public Utilities Commission | Subcontractor | $50,296,818 |
| Dec 10, 2024 | WRP 7 Aeration ImprovementsOther | Coachella Valley Water District | Subcontractor | $29,855,000 |
| Dec 10, 2024 | NCP Felton-Graham Hill CM ServicesOther | City of Santa Cruz - Water Department | Subcontractor | $2,458,845 |
| May 14, 2024 | WD-2897 Sunol Valley Water TreatmentWater | San Francisco Public Utilities Commission | Subcontractor | $234,782,000 |
| Sep 30, 2023 | RINCONADA WATER TREATMENT PLANT RELIABILWater | Santa Clara Valley Water District - CCSU | Subcontractor | — |
| Jun 9, 2022 | BART Silicon Phase II Valley Extension COther | VTA | Subcontractor | — |
| Jan 15, 2017 | WWTP Upgrade CMARSewer & wastewater | City of San Mateo | Subcontractor | — |
Most recent 12 of 12. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- San Francisco Public Utilities Commission · 2 projects
- Santa Clara Valley Water District - CCSU · 2 projects
- City of Santa Cruz - Water Department · 1 project
- Monterey One Water · 1 project
- City of Salinas - (PUB WORKS) · 1 project
- City of San Mateo · 1 project
- EBMUD Construction Div · 1 project
- Alameda County Water District · 1 project
- Coachella Valley Water District · 1 project
- VTA · 1 project
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