DIRT AND AGGREGATE INTERCHANGE INC
California contractor license #507828 · Fairview
License
- License number
- 507828
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-32 Parking and Highway Improvement Contractor
- HAZ Hazardous Substance Removal Certification
- Business type
- Corporation
- Issued
- Mar 20, 1987
- Expires
- Apr 30, 2028
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Travelers Casualty And Surety Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Apr 10, 2026. Verify license #507828 on CSLB's License Check.
California public works
DIRT AND AGGREGATE INTERCHANGE INC appears on 35 public works projects registered with the California Department of Industrial Relations, 4 of them as the prime contractor, for 21 awarding bodies between 2020 and 2026. Projects it led total $897,498 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 26, 2026 | On-Call Guardrail Repair Project 2026Traffic & signals | County of Solano Department of Resource Management | Prime | $209,722 |
| May 27, 2026 | 2026 Guardrail Replacement Proj. C2615Traffic & signals | Town of Truckee | Prime | $368,888 |
| May 19, 2026 | EXPRESSWAY GUARDRAIL REPLACEMENT AND SAFTraffic & signals | County of Santa Clara, Roads and Airports Dept. | Subcontractor | $2,120,713 |
| Apr 14, 2026 | Red Fox Creek BridgeBridges & structures | County of Santa Clara, Roads and Airports Dept. | Subcontractor | $2,970,329 |
| Jan 9, 2026 | 05-Mon-101-R41.9/49.8Electrical, low voltage & AV | California Department of Transportation (Caltrans) | Subcontractor | $19,064,615 |
| Jan 8, 2026 | 10-Alp-4, 89-R0.0/31.7, 10.8Storm drain & flood control | California Department of Transportation (Caltrans) | Subcontractor | $29,830,200 |
| Jul 22, 2025 | Mt. Veeder Road MPM 3.5, RDS 25-18Traffic & signals | Napa County Public Works | Subcontractor | $1,616,616 |
| Jun 24, 2025 | Wildcat Canyon Road-Slope RepairPaving & streets | Contra Costa County Public Works Department | Subcontractor | $2,090,191 |
| Jun 17, 2025 | Elkhorn Road RehabilitationPaving & streets | County of Monterey Public Works, Facilities and Parks | Subcontractor | $4,618,149 |
| May 20, 2025 | 2023 Storm Damage Guardrail ReplacementStorm drain & flood control | Sierra County | Subcontractor | $104,104 |
| Apr 11, 2025 | EFA - 01A6554Storm drain & flood control | California Department of Transportation | Subcontractor | $4,000,000 |
| Mar 10, 2025 | Geysers Road Over Frasier Creek Bridge RBridges & structures | County of Sonoma – SPI _ Sonoma Public Infrastructure | Subcontractor | $4,969,119 |
| Feb 6, 2025 | 04-Son-101-22.8/32.8Traffic & signals | California Department of Transportation (Caltrans) | Subcontractor | $7,965,469 |
| Jan 22, 2025 | 04-SM-92, 101-R12.0/R13.1, 10.9/12.4Bridges & structures | California Department of Transportation (Caltrans) | Subcontractor | $27,715,571 |
| Jan 6, 2025 | State Route 37/Fairgrounds Drive ProjectWater | Solano Transportation Authority | Subcontractor | $24,970,286 |
| Nov 26, 2024 | HIRSCHDALE ROAD BRIDGESBridges & structures | Nevada County Department of Public Works | Subcontractor | $13,522,228 |
| Sep 9, 2024 | 10-Cal-26-21.8/30.3Bridges & structures | California Department of Transportation (Caltrans) | Subcontractor | $7,197,400 |
| Jul 1, 2024 | Calaveras Blvd Near-Term ImprovementOther | Santa Clara Valley Transportation Authority | Subcontractor | $2,010,413 |
| Jun 25, 2024 | 2024 Annual Guardrail Repair, RDS 24-02Traffic & signals | Napa County Public Works | Prime | $318,888 |
| Jun 18, 2024 | Llagas Creek Bridge on Uvas Road ReplBridges & structures | County of Santa Clara, Roads and Airports Dept. | Subcontractor | $7,202,763 |
| Jun 18, 2024 | Lawrence Expressway Pavement RehabPaving & streets | County of Santa Clara, Roads and Airports Dept. | Subcontractor | $16,619,927 |
| Jun 8, 2024 | Calaveras Near Term Improvements ProjectOther | Santa Clara Valley Transportation Authority | Subcontractor | $2,010,413 |
| Jun 3, 2024 | 2024 Road Paving ProjectTraffic & signals | City of Lafayette | Subcontractor | — |
| May 1, 2024 | Four Bridge Replacements on CR 67 BetweeBridges & structures | Glenn County Public Works | Subcontractor | — |
| Mar 3, 2024 | Cantelow Road Bridge ProjectStorm drain & flood control | County of Solano Department of Resource Management | Subcontractor | — |
Most recent 25 of 35. 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
- California Department of Transportation (Caltrans) · 6 projects
- County of Santa Clara, Roads and Airports Dept. · 4 projects
- County of Solano Department of Resource Management · 3 projects
- County of Humboldt Department of Public Works · 3 projects
- Napa County Public Works · 2 projects
- Santa Clara Valley Transportation Authority · 2 projects
- County of Monterey Public Works, Facilities and Parks · 1 project
- Contra Costa County Public Works Department · 1 project
- Butte County Public Works · 1 project
- Sierra County · 1 project
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