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 MI First Name Date of Expiration Business Address City State Zip Code Business Phone Counties Served
Carpenter Dean Trevor 3/31/2018 Most Wanted Construction 1301 Oak Ridge Dr Neosho MO 64850 (417) 456-0278 Newton Jasper McDonald Barry Lawrence Dade Stone Barton
Crabtree E Don 12/31/2018 Precision Backhoe Service, DBA Nevada Plumbing 703 E Maple St. Nevada MO 64772 (417) 448-9712 Cedar Hickory Barton Bates St. Clair Jasper Benton Cass Vernon
Demery M Christopher 12/31/2018 Letts & Demery Pump & Drilling 10498 Hammer Rd Neosho MO 64850 (417) 624-0426 Newton Jasper McDonald Lawrence Greene Barry Barton Dade
Erwin G Zach 3/31/2019 Zach Erwin Construction Inc PO Box 202 Nevada MO 64772 (417) 667-5122 Vernon, Barton, Bates, Cedar, St. Clair
Gene 3/31/2018 Lathrop Excavating 407 E. 15th St. Lamar MO 64759 (417) 682-1923 Vernon Cedar Dade Jasper Barton Newton Lawrence Bates Barton
Taylor W Tom 10/31/2020 Taylor Engineering Co 913 N Main Nevada MO 64772 (417) 667-2149 Cedar, Cass, Barton, Bates, Vernon
Tucker J Walter 12/31/2018 Pegasus Services PO Box 391 Osceola MO 64776 (866) 646-2237 St. Clair Henry Polk Hickory Benton Dallas Barton
Wald M Katherin 11/30/2020 C & L Grease and Wastewater Services 1140 E. 1st Carterville MO 64835 (417) 717-0587 Jasper Newton McDonald Barton
Wilson J Charles 6/30/2020 Wilson Vault 8929 CR 220 Webb City MO 64870 (417) 768-0328 Jasper Newton Barton Lawrence


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