Updated
Does Montana require a septic license?
Montana has no statewide septic installer license; septic contractors are licensed or registered locally. Montana counties license installers; the state licenses pumpers.
Who licenses septic contractors in Montana?
County health departments (Montana DEQ licenses septic pumpers).
Montana's septic credentials:
- County installer licenses
- State septic pumper license
How to check a septic contractor's license in Montana
- Montana has no public statewide list of septic contractors.
- Ask the contractor for their local license or registration number and which county or town issued it.
- Call that county health department or town office to confirm it is current.
Septic permits in Montana
A contractor license says who may do septic work; a permit authorizes a specific system. In Montana, permits for new systems, replacements and most repairs come from the local health department or the state agency office that covers the property. Ask your installer to pull the permit and include the fee in the quote.
Montana septic licensing: common questions
Do you need a license to install septic systems in Montana?
Montana has no statewide septic installer license; septic contractors are licensed or registered locally. Montana counties license installers; the state licenses pumpers.
Who issues septic licenses in Montana?
County health departments (Montana DEQ licenses septic pumpers). Montana counties license installers; the state licenses pumpers.
How do I check a septic contractor's license in Montana?
Montana has no public statewide list of septic contractors. Ask the contractor for their local license or registration number and which county or town issued it. Call that county health department or town office to confirm it is current.
Do you need a permit for a septic system in Montana?
New septic systems, replacements and most repairs need a permit before work starts. The permit comes from the local health department or the state agency office that covers your property, and the permit, not the contractor license, is what authorizes a specific job.
Sources: County health departments (Montana DEQ licenses septic pumpers); state license lists loaded into The Septic Guide. See how we verify licenses.