Updated
Does Iowa require a septic license?
Iowa has no statewide septic installer license; septic contractors are licensed or registered locally. Iowa sets septic rules statewide but leaves contractor requirements to counties.
Who licenses septic contractors in Iowa?
County environmental health offices (567 IAC chapter 69).
Iowa's septic credentials:
- County requirements
How to check a septic contractor's license in Iowa
- Iowa 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 Iowa
A contractor license says who may do septic work; a permit authorizes a specific system. In Iowa, 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 Iowa
The Septic Guide lists 13 septic companies and licensed professionals in Iowa. This is what we could match as of October 2026, not an official count.
All septic companies in Iowa →
Iowa septic licensing: common questions
Do you need a license to install septic systems in Iowa?
Iowa has no statewide septic installer license; septic contractors are licensed or registered locally. Iowa sets septic rules statewide but leaves contractor requirements to counties.
Who issues septic licenses in Iowa?
County environmental health offices (567 IAC chapter 69). Iowa sets septic rules statewide but leaves contractor requirements to counties.
How do I check a septic contractor's license in Iowa?
Iowa 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 Iowa?
The Septic Guide lists 13 septic companies and licensed septic professionals in Iowa (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 Iowa?
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 environmental health offices (567 IAC chapter 69); state license lists loaded into The Septic Guide. See how we verify licenses.