GroundRosterLaudolff Septic Services
License details
| License number | 255066 |
| License type | POWTS Installer |
| State | Wisconsin |
| Licensed by | Washington County |
| Work types on the roster | POWTS Installation |
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 #255066 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: Washington County POWTS Program, last checked 2026-08-19. Look it up at the issuing agency.