D & B TRENCHING INC
California contractor license #446858 · San Jose, Santa Clara County
License
- License number
- 446858
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Sep 28, 1983
- Expires
- Dec 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Nov 6, 2025. Verify license #446858 on CSLB's License Check.
California public works
D & B TRENCHING INC appears on 12 public works projects registered with the California Department of Industrial Relations, for 7 awarding bodies between 2024 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Nov 5, 2025 | Multisite HVAC - HVAC2-25HVAC & mechanical | Palo Alto Unified School District | Subcontractor | $7,102,000 |
| Oct 9, 2025 | Increment 2 Modernization Group 1Plumbing & restrooms | Santa Clara Unified School District | Subcontractor | $1,044,000 |
| Sep 30, 2025 | Increment 2 Modernization Group 1Plumbing & restrooms | Santa Clara Unified School District | Subcontractor | $1,454,000 |
| Aug 11, 2025 | MG264145Plumbing & restrooms | Foothill-De Anza Community College District | Subcontractor | $2,519,010 |
| Aug 4, 2025 | Fairmeadow ES Water Leak RepairOther | Palo Alto Unified School District | Subcontractor | $40,706 |
| Jun 27, 2025 | Ohlone ES HVAC Waterline ReplacementWater | Palo Alto Unified School District | Subcontractor | $71,900 |
| Jun 2, 2025 | Cumberland ES HVAC and FinishesHVAC & mechanical | Sunnyvale School District | Subcontractor | $8,334,159 |
| May 5, 2025 | Meadows ModernizationHVAC & mechanical | franklin-mckinley school district | Subcontractor | $9,939,157 |
| Apr 23, 2025 | HVAC Replacement ProjectHVAC & mechanical | Palo Alto Unified School District | Subcontractor | $1,544,300 |
| Nov 14, 2024 | Campus Renovations - High SchoolBuildings & facilities | Pleasanton Unified School District | Subcontractor | $69,959,143 |
| Jun 5, 2024 | JOC - Renovation and MaintenanceBuildings & facilities | Santa Clara Valley Transportation Authority | Subcontractor | $5,000,000 |
| Apr 1, 2024 | DSC Warehouse FreezerHVAC & mechanical | franklin-mckinley school district | 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
- Palo Alto Unified School District · 4 projects
- franklin-mckinley school district · 2 projects
- Santa Clara Unified School District · 2 projects
- Sunnyvale School District · 1 project
- Pleasanton Unified School District · 1 project
- Foothill-De Anza Community College District · 1 project
- Santa Clara Valley Transportation Authority · 1 project
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