GroundRosterHallmark Construction, Inc.Licensed
| Name | Hallmark Construction, Inc. |
| License type | Permitted Septic Installer - Standard/Basic Installer |
| License status | Active — Idaho DEQ permitted (Southwest District Health) |
| Based in | Brenan Dr Nampa, Idaho 83686 |
| Phone | (208) 713-6228 |
"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 Idaho's official licensing records; we do not vouch for the business itself. Before hiring, look up this license directly with the state, confirm it is still active, and ask for a current certificate of insurance.
Source: Idaho DEQ - Permitted Subsurface Sewage Disposal System Installers, last checked 2026-08-17. Verify at the official source.
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