GroundRosterMichael A TerwilligerLicensed
| Name | Michael A Terwilliger |
| License number | 33.005017 |
| License type | Sub-Surface Sewage Installer |
| License status | Active |
| License expires | 2027-03-31 |
| Location | New Hartford, Connecticut 06057 |
Request a quote from Michael A Terwilliger
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 this listing exactly as it appears in Connecticut's official licensing records; we do not vouch for the business itself. Before hiring, look up license #33.005017 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.
Are you Michael A Terwilliger? Claim this listing to set your business name and add your website, service area, hours, and photos. It's free.