Home › North Dakota › Mercer County › Hazen › Kollman Construction

Kollman ConstructionLicensed

Licensed septic contractor based in Hazen, Mercer County, ND

License details

Company	Todd Kollman
License type	Licensed Septic System Installer
License status	Active, ND DEQ licensed (WPPH)
Based in	Hazen, Mercer County, North Dakota 58545

"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 this license directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: North Dakota DEQ - Licensed Septic System Installers, last checked 2026-08-17. Look it up at the issuing agency.

Compare licensed contractors based in Hazen

All listings based in Hazen 2

Other septic contractors based in Hazen

Traiser Backhoe Services LLCLicensed

Septic System Installation

Tom Traiser · Based in Hazen, ND

Other licensed septic contractors based in Mercer County

C & L Backhoe ServiceLicensed

Septic System Installation

Chip & Linda Erickson · Based in Stanton, ND

Dirt Pro Services & Septic,Licensed

Septic System Installation

LLC · Based in Beulah, ND

See every listing based in Mercer County or in Hazen.