GroundRosterNational Plant Services INCLicensed
| Name | National Plant Services INC |
| License number | 351503 |
| License type | Sanitation System Contractor (C-42) |
| License status | Active — CSLB license CLEAR |
| License expires | 2027-11-30 |
| Based in | Long Beach, Los Angeles County, California 90813 |
| Phone | (562) 436-7600 |
"Based in" is the city and county of the address on the business's state license record. That can be a mailing address; it doesn't tell you where the business works.
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What this license covers
- Installation / repair: licensed to build and install septic tanks and drainfields, and to repair or replace failed ones.
How to verify this license
We publish the license details exactly as they appear in California's official licensing records; we do not vouch for the business itself. Before hiring, look up license #351503 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: California Contractors State License Board (CSLB), last checked 2026-08-17. Verify at the official source.
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