NATIONAL PLANT SERVICES INC
California contractor license #351503 · Long Beach, Los Angeles County
License
- License number
- 351503
- Status
- Clear
- Classifications
- A General Engineering Contractor
- C-33 Painting and Decorating Contractor
- C-42 Sanitation System Contractor
- C-61/D-38 Sand and Water Blasting
- Business type
- Corporation
- Issued
- Feb 23, 1978
- Expires
- Nov 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — American Zurich Insurance Company
- Contractor's bond
- $25,000 — Nationwide Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Oct 28, 2025. Verify license #351503 on CSLB's License Check.
California public works
NATIONAL PLANT SERVICES INC appears on 73 public works projects registered with the California Department of Industrial Relations, 31 of them as the prime contractor, for 34 awarding bodies between 2019 and 2026. Projects it led total $64,609,337 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jul 1, 2026 | Sewer Main Televising & Cleaning ServiceSewer & wastewater | City of Mountain View | Prime | $246,077 |
| May 15, 2026 | Joint Outfall B Unit 9A. MHs B 948-B 19Sewer & wastewater | Sanitation Districts of Los Angeles County | Subcontractor | $11,500,000 |
| May 6, 2026 | Sanitary Sewer Condition Assess FY 25-26Sewer & wastewater | City of San Jose | Prime | $473,923 |
| Apr 28, 2026 | Arroyo Simi Sewer Crossing ReplacementSewer & wastewater | County of Ventura | Subcontractor | $1,265,750 |
| Apr 9, 2026 | Sewer Lift Station MaintenanceSewer & wastewater | The University of California | Prime | $20,450 |
| Mar 31, 2026 | RESORT AREA SANITARY SEWER STUDYSewer & wastewater | City of Anaheim | Subcontractor | $614,053 |
| Mar 26, 2026 | VACUUM, HYDROJETTING, & VACTOR TRUCK SERBuildings & facilities | Sanitation Districts of Los Angeles County | Prime | $604,392 |
| Mar 2, 2026 | Storm Drain Cleaning - Mesa DriveStorm drain & flood control | City of Camarillo | Prime | $38,675 |
| Feb 24, 2026 | Castle Mobile Estates Culvert ProjectStorm drain & flood control | County of Santa Cruz DPW | Prime | $1,010,443 |
| Jan 28, 2026 | Storm Drain Cleaning - Terra BellaStorm drain & flood control | City of Camarillo | Prime | $8,175 |
| Jan 14, 2026 | Sewer Interceptor InspectionsSewer & wastewater | city of carlsbad or carlsbad municipal water district | Prime | $347,885 |
| Jan 6, 2026 | On Call Sewer Cleaning and CCTV ServicesSewer & wastewater | Sacramento Area Sewer District | Prime | $200,000 |
| Dec 18, 2025 | 2026 SEWER CLEANING AND CCTV SERVICESSewer & wastewater | City of Lancaster | Prime | $124,949 |
| Nov 20, 2025 | CLEAN THE TWAS LINE FROM SECONDARY DAFOther | Sanitation Districts of Los Angeles County | Prime | $24,500 |
| Nov 13, 2025 | As-Nded Stormwater Prof Engineering ServDesign, inspection & consulting | City of San Diego | Subcontractor | $517,901 |
| Nov 12, 2025 | Joint Outfall J Unit 1E TS Rehab.Concrete & masonry | Sanitation Districts of Los Angeles County | Subcontractor | $17,854,050 |
| Oct 6, 2025 | STORMWATER COLLECTION SYSTEMS CLEAN OUTStorm drain & flood control | Sanitation Districts of Los Angeles County | Prime | $24,975 |
| Aug 25, 2025 | Sanitary Sewer Condition 24-25Sewer & wastewater | City of San Jose | Prime | $924,652 |
| Aug 12, 2025 | INF-012 Inflow InvestigationSewer & wastewater | East Bay Municipal Utility District - Purchasing | Subcontractor | $11,500,000 |
| Aug 5, 2025 | On-Call Closed-Circuit Television InspecDesign, inspection & consulting | County of Los Angeles Department of Public Works | Prime | $40,000,000 |
| Jul 11, 2025 | Sanitary Sewer Condition Assesmnt 24/25Sewer & wastewater | City of San Jose | Prime | $965,067 |
| Jul 1, 2025 | FY2025-26 Clean & CCTV Sewer MainsSewer & wastewater | City of Mountain View | Prime | $269,206 |
| Jun 3, 2025 | MANHOLE CCTV INSPECTION PROGRAMSewer & wastewater | Sanitation Districts of Los Angeles County | Prime | $2,345,280 |
| Apr 25, 2025 | Sanitary Sewer Condition Assess. 24-25Sewer & wastewater | City of San Jose | Prime | $1,153,900 |
| Mar 28, 2025 | CIPP spot repairs for MaximoOther | Irvine Ranch Water District 3 | Prime | $29,675 |
Most recent 25 of 73. 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
- City of San Jose · 22 projects
- Sanitation Districts of Los Angeles County · 11 projects
- City of Mountain View · 4 projects
- Novato Sanitary District · 3 projects
- City of Camarillo · 2 projects
- Sacramento Area Sewer District · 2 projects
- City of Lancaster · 2 projects
- County of Santa Cruz DPW · 1 project
- City of Rialto · 1 project
- City of Anaheim · 1 project
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