Updated
Does Indiana require a septic license?
Indiana has no statewide septic installer license; septic contractors are licensed or registered locally. Indiana has no statewide septic installer license; counties register installers.
Who licenses septic contractors in Indiana?
County health departments (rules set by the Indiana Department of Health).
Indiana's septic credentials:
- County installer registration
How to check a septic contractor's license in Indiana
- Indiana 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 Indiana
A contractor license says who may do septic work; a permit authorizes a specific system. In Indiana, 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.
Licensed septic companies in Indiana
The Septic Guide lists 29 septic companies and licensed professionals in Indiana. This is what we could match as of October 2026, not an official count.
All septic companies in Indiana →
Indiana septic licensing: common questions
Do you need a license to install septic systems in Indiana?
Indiana has no statewide septic installer license; septic contractors are licensed or registered locally. Indiana has no statewide septic installer license; counties register installers.
Who issues septic licenses in Indiana?
County health departments (rules set by the Indiana Department of Health). Indiana has no statewide septic installer license; counties register installers.
How do I check a septic contractor's license in Indiana?
Indiana 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.
How many licensed septic contractors are in Indiana?
The Septic Guide lists 29 septic companies and licensed septic professionals in Indiana (data as of October 2026). This counts what we could match; it is not an official total.
Do you need a permit for a septic system in Indiana?
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 (rules set by the Indiana Department of Health); state license lists loaded into The Septic Guide. See how we verify licenses.