Click on a county in the map below to see a list of Missouri Licensed Onsite System Inspectors/Evaluators who serve that county. You may also check the surrounding counties..
List will display under the map.


Contact Us if you have questions about this list, or to update or correct an address.

Also, a listing of Suspended or Revoked Onsite System Inspectors/Evaluators is available.

List will display under the map.