GroundRosterHa HienLicensed
License details
| License number | 963171 |
| License type | Sanitation System Contractor (C-42) |
| License status | Active, CSLB license CLEAR |
| License expires | August 31, 2028 |
| Based in | Oakland, Alameda County, California 94601 |
"Based in" is the city and county of the address on the business's license record.
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 the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #963171 directly with the agency that issued it, 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. Look it up at the issuing agency.
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