This list includes Licensed Onsite System Inspectors/Evaluators who are authorized to inspect or evaluate onsite wastewater treatments systems (OWTS) for real estate transactions. Individuals are not licensed to perform regulatory functions, such as inspecting installation or repairs when an onsite system construction permit or a building permit is needed.

There may be additional requirements to work in some counties. Contact the county onsite sewage authority to confirm that an individual is authorized to inspect/evaluate onsite systems for real estate transactions in that county.

A Licensed Evaluator (EVAL) can only perform evaluations. A Licensed Inspector (INSP) can perform both inspections and evaluations. More information is available about inspections and evaluations.

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Licensed Inspectors/Evaluators List

Last Name First Name MI Date of Expiration Business Address City State Zip Code Business Phone Counties Served
Usry Gary D 11/30/2020 Assured Inspections 18425 W 153rd Terrace Olathe KS 66062 (816) 560-6010
Vandivort William Eric 3/31/2018 Wise Inspections 2406 Lamborn Lane Ozark MO 65721 (417) 818-0947 Greene, Webster, Polk, Christian, Wright, Denton, Dade, Texas
Voisey Jay M 10/31/2020 Checkered Flag Excavation Inc 12548 Ware Road DeSoto MO 63020 (636) 586-1794 Jefferson, St Louis, Franklin, Washington, St Francois
Wald Katherin M 11/30/2020 C & L Grease and Wastewater Services 1140 E. 1st Carterville MO 64835 (417) 717-0587 Jasper Newton McDonald Barton
Wallace Brian G 3/31/2018 Wallace Construction LLC 914 E 420th Rd Bolivar MO 65613 (417) 327-7449 Cedar Dallas Greene Polk Webster Hickory
Wallis Ryan J 1/31/2020 Ryan J Wallis 1422 Cedar Lane Bismarck MO 63624 (636) 209-1041 Jefferson St. Louis St. Francois Washington Iron Madison Reynolds Franklin
Warden Brian K 4/30/2018 Warden Holdings LLC 4975 Shadowood Lane Farmington MO 63640 (573) 701-2431 St. Francois, Jefferson, Madison, Washington
Weber Justin K 3/31/2019 Jake's Backhoe &construction 337 W. 10th Hermann MO 65041 (573) 619-9703 Gasconade, Montgomery, Warren, Franklin
Webster Greg M 3/31/2018 Webster Plumbing 608 High Point Rd Camdenton MO 65020 (573) 346-2697 Camden Miller Laclede Benton Morgan Pulaski Hichory
Wessler Steven
5/31/2019 SpyGlass inspection Services 31144 Highland Rd. Rocky Mount MO 65074 (573) 746-1881 Morgan Miller Camden Cole
White Shawn M 4/30/2019 S&J Home Inspections 6924 Dogwood Ln Hannibal MO 63401 (573) 406-8826 Marion, Audrain, Lewis, Pike, Monroe, Boone, Macon, Shelby
Wilcockson Rick
8/31/2019 Accurate Septic & Well Inspections 160 Stable Ridge Dr. Troy MO 63379 (636) 262-1303 Lincoln, St Charles, St Louis, Warren, Jefferson, Franklin, Pike
Williams II Everett E 11/30/2020 Everett Williams LLC P O Box 168 Kimberling City MO 65686 (417) 779-4482 Stone Barry Taney Green
Wilmes Cris G 11/30/2020 Able Appraisal and Inspections

(660) 582-1122 Gentry Atchison Holt Worth Andrew Buchanan DeKalb Nodaway
Wilson Charles J 6/30/2020 Wilson Vault 8929 CR 220 Webb City MO 64870 (417) 768-0328 Jasper Newton Barton Lawrence
Woody Tim
9/30/2019 Central MO All Service Plumbing LLC 14 Lakeland Rd. Lake Ozark MO 65049 (573) 964-5331 Camden, Miller, Morgan, Moniteau
Yarbrough David
1/31/2020 ABF Pumping & Yarbrough Co Inc PO Box 327 Matthews MO 63867 (573) 472-1464 Scott Mississippi New Madrid Stoddard
Yost Justin D 3/31/2018 Four Seasons Plumbing 1125 Industrial Dr Osage Beach MO 65065 (573) 348-2093 Camden, Miller, Morgan, Pulaski Laclede Dallas Hickory Benton Cole
Yost Martin L 3/31/2020 Home Testing Services LLL PO Box 166 Farmington MO 63640 (573) 330-3242 St Francois, Jefferson, Washington, Madison, Perry, Iron, Cape Girardeau, Ste Genevieve, Reynolds St Louis Crawford Dent Bollinger Wayne
Zivkovich Michael A 11/30/2020 Amerispec 175 Split Rock Drive Hollister MO 65672 (417) 263-3021 Stone Taney Greene Christian


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