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David KalinowskiLicensed
License details
| License number | 33.005717 |
| License type | Sub-Surface Sewage Installer |
| License status | Active |
| License expires | October 31, 2027 |
| Renewal on record | Seen October 17, 2026: the expiry date moved from October 31, 2026 to October 31, 2027. |
| Based in | Wolcott, Naugatuck Valley Planning Region, Connecticut 06716 |
"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 #33.005717 directly with the agency that issued it, 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 2026-10-17. Look it up at the issuing agency.
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