KARBONOUS INC
California contractor license #912647 · Industry, Los Angeles County
License
- License number
- 912647
- Status
- Clear
- Classifications
- A General Engineering Contractor
- Business type
- Corporation
- Issued
- Mar 19, 2008
- Expires
- Mar 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Berkshire Hathaway Homestate Insurance Company
- Contractor's bond
- $25,000 — North River Insurance Company (The)
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Apr 8, 2026. Verify license #912647 on CSLB's License Check.
California public works
KARBONOUS INC appears on 16 public works projects registered with the California Department of Industrial Relations, 14 of them as the prime contractor, for 12 awarding bodies between 2025 and 2026. Projects it led total $3,049,370 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 6, 2026 | GAC Removal and Replacement Well 28 C-DWater | City of Clovis | Prime | $73,016 |
| May 18, 2026 | ORF I AND ORF II EAST-Carbon ReplacementOther | Encina Wastewater Authority | Prime | $120,411 |
| Apr 13, 2026 | GAC & Media Filter ReplacementWater | East Bay Regional Park District - MAST | Subcontractor | $275,252 |
| Feb 9, 2026 | Well 27 GAC Removal and ReplacementWater | City of Clovis | Prime | $117,011 |
| Feb 6, 2026 | Media Filter ReplacementOther | Lake Don Pedro Community Services District | Prime | $49,500 |
| Nov 24, 2025 | GAC Removal at Maine & NixonPaving & streets | Valley County Water District | Prime | $77,250 |
| Nov 22, 2025 | Removal of Carbon - Maine/Nixon GACPaving & streets | Valley County Water District | Prime | $77,250 |
| Nov 18, 2025 | CC1837 Well #9 GACWater | City of Huntington Beach | Prime | $527,375 |
| Oct 27, 2025 | PVOU SZ LGAC ReplacementOther | La Puente Valley County Water District | Prime | $52,156 |
| Oct 7, 2025 | CARBON REPLACEMENT ODOR SCRUBBERS #3 & #Other | City of Santa Cruz - Public Works Department - Wastewater Treatment Facility | Prime | $95,395 |
| Oct 3, 2025 | PVOU IZ LGAC ReplacementOther | La Puente Valley County Water District | Prime | $346,860 |
| Sep 18, 2025 | Carbon Replacement Odor Scrubbers 3 & 4Other | City of Santa Cruz - Public Works Department | Prime | $95,395 |
| Aug 5, 2025 | GAC Removal and Replacement ServicesOther | City of Pomona | Prime | $1,323,000 |
| Jul 11, 2025 | Primary No. 2 and Thickener Media ReplacOther | Monterey One Water | Prime | $48,981 |
| Jun 30, 2025 | CARBON MEDIA AND CHANGE-OUT AT CALABASAOther | Sanitation Districts of Los Angeles County | Prime | $45,770 |
| May 15, 2025 | Sports Complex GAC ReplacementOther | City of Huntington Beach | Subcontractor | $29,450 |
Most recent 16 of 16. 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
- La Puente Valley County Water District · 2 projects
- City of Clovis · 2 projects
- Valley County Water District · 2 projects
- City of Huntington Beach · 2 projects
- Sanitation Districts of Los Angeles County · 1 project
- Lake Don Pedro Community Services District · 1 project
- City of Santa Cruz - Public Works Department - Wastewater Treatment Facility · 1 project
- City of Pomona · 1 project
- City of Santa Cruz - Public Works Department · 1 project
- East Bay Regional Park District - MAST · 1 project
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