GroundRosterValli Construction CO INCLicensed
| Name | Valli Construction CO INC |
| License number | 33.003483 |
| License type | Sub-Surface Sewage Installer |
| License status | Active |
| License expires | 2027-04-30 |
| Based in | Portland, Connecticut 06480 |
"Based in" is the city 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 Connecticut's official licensing records; we do not vouch for the business itself. Before hiring, look up license #33.003483 directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Connecticut DPH - eLicense credential extract (well & septic license types), last checked 2026-08-17. Verify at the official source.
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