J&K WELDING CO INC
California contractor license #1108110 · Rancho Cucamonga, San Bernardino County
License
- License number
- 1108110
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-60 Welding Contractor
- Business type
- Corporation
- Issued
- Aug 3, 2023
- Expires
- Aug 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — State Compensation Insurance Fund
- Contractor's bond
- $25,000 — Atlantic Specialty Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Sep 3, 2026. Verify license #1108110 on CSLB's License Check.
California public works
J&K WELDING CO INC appears on 84 public works projects registered with the California Department of Industrial Relations, for 61 awarding bodies between 2021 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 24, 2026 | N. Twin Oaks Emergency Repair 24" CMLCPaving & streets | Vallecitos Water District | Subcontractor | — |
| Jun 23, 2026 | Manor Drive Boundary Clean Up ProjectWater | Jurupa Community Services District | Subcontractor | $521,594 |
| May 20, 2026 | 3282 High School & 3276 Santa MargaritaBuildings & facilities | Fallbrook Public Utility District | Subcontractor | $2,094,232 |
| May 14, 2026 | LTM Mateo Flow Control Vault ImprvmntsOther | South Coast Water District | Subcontractor | $160,400 |
| Apr 22, 2026 | Manhole Liner ReplacementSewer & wastewater | Chino Basin Desalter Authority | Subcontractor | $60,000 |
| Apr 15, 2026 | Construction on MGL at Prenda EstatesOther | Western Municipal Water District | Subcontractor | $290,500 |
| Mar 23, 2026 | Countryside EstatesWater | Century American Development Corporation | Subcontractor | $328,152 |
| Mar 12, 2026 | SPEC 1582SW-D (Schedule "A")Sewer & wastewater | Eastern Municipal Water District - Development Services Dept | Subcontractor | $2,257,994 |
| Mar 12, 2026 | SPEC No. 1582SW-D (Schedule "B")Sewer & wastewater | Eastern Municipal Water District - Development Services Dept | Subcontractor | $1,704,258 |
| Mar 4, 2026 | Almond Street ImprovementsStorm drain & flood control | City of Rancho Cucamonga | Subcontractor | $2,516,260 |
| Mar 4, 2026 | Goetz Road Trunk Sewer ProjectSewer & wastewater | Eastern Municipal Water District | Subcontractor | $7,119,913 |
| Feb 18, 2026 | Miramar System Inspection Phase 1Other | Three Valleys Municipal Water District | Subcontractor | $65,031 |
| Feb 4, 2026 | Covey Transmission PipelinePaving & streets | Eastern Municipal Water District | Subcontractor | $1,708,431 |
| Jan 30, 2026 | DTR Water Infrastructure ProjectWater | Beaumont Cherry Valley Recreation & Park District | Subcontractor | $305,969 |
| Dec 17, 2025 | Saddlecrest Reservoir Inlet PipelineWater | Trabuco Canyon Water District | Subcontractor | $172,720 |
| Nov 24, 2025 | Rerouting Waterline on P.E. TrailWater | City of Fontana | Subcontractor | $73,950 |
| Nov 18, 2025 | D&C24-009 Ontario Arena PlazaPaving & streets | City of Ontario Engineering Department | Subcontractor | $25,991,911 |
| Oct 23, 2025 | California Oaks Pipeline ReplacementWater | Elsinore Valley Municipal Water District. | Subcontractor | $1,254,775 |
| Oct 14, 2025 | CP25033 Waterline AlmondWater | Cucamonga Valley Water District | Subcontractor | $2,913,770 |
| Oct 8, 2025 | Ocean Breeze High Pressure WaterWater | Trumark Construction Services, Inc | Subcontractor | $4,362,068 |
| Sep 22, 2025 | Recycled Water Program - Segment 1Water | Jurupa Community Services District | Subcontractor | $16,918,857 |
| Sep 22, 2025 | Recycled Water Prog - Customer RetrofitsWater | Jurupa Community Services District | Subcontractor | $2,602,450 |
| Sep 17, 2025 | Anaheim Valve VaultOther | ORANGE COUNTY WATER DISTRICT | Subcontractor | $3,246,910 |
| Sep 15, 2025 | County Line Rd Recharge Basin ProjectStorm drain & flood control | San Gorgonio Pass Water Agency | Subcontractor | $4,676,332 |
| Aug 26, 2025 | Compass PointeWater | KB Home Coastal Inc | Subcontractor | $912,979 |
Most recent 25 of 84. 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
- Jurupa Community Services District · 6 projects
- Eastern Municipal Water District · 4 projects
- Elsinore Valley Municipal Water District. · 3 projects
- Prologis L.P. · 3 projects
- Eastern Municipal Water District - Development Services Dept · 3 projects
- Trabuco Canyon Water District · 2 projects
- Moulton Niguel Water District · 2 projects
- City of Fontana · 2 projects
- Toll Brothers - So Cal · 2 projects
- TRI Pointe Homes, LLC · 2 projects
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