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Licensed Septic Contractors: Newton County, MO

26 licensed septic contractors based in Newton County. Every license number below is sourced from public licensing records, with a link to look it up yourself.

Grouped by the county of the address on each license record, which can be a mailing address, so it doesn't tell you where the business works. When the record names no county, we place it by ZIP code, then town.

Checked against Missouri registered onsite wastewater treatment system (OWTS) installers, Missouri registered onsite wastewater treatment system (OWTS) installers + Missouri registered onsite soil evaluators + Missouri licensed onsite system inspectors/evaluators and Missouri registered onsite soil evaluators. Roster copy last refreshed 2026-08-16.

Need septic pumping, cleaning, repair, inspection, or installation work quotes in Newton County? Request free quotes and we'll pass it to licensed septic contractors who serve the area.

Towns in Newton County

All 5 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Newton County records

Each class as the issuing agency prints it on the license record. A record that names more than one class counts once under each, so the rows can add up to more than 26.

License classTradeListings
Onsite Wastewater Installer - BasicSeptic15
Onsite Wastewater Installer - AdvancedSeptic10
Onsite Soil EvaluatorSeptic5
Onsite System InspectorSeptic4

Septic Contractors based in Newton County (26)

Collins Haulin LLCLicensed

Septic System Installation
Based in Neosho, MO · License #39051

Wilthom LLCLicensed

Septic System Installation · Septic Inspection · Perc Test and Soil Evaluation
Based in Neosho, MO · License #39123 (installer), 51449 (inspector), 51450 (inspector)

Rockin A Dirtworks, LLCLicensed

Septic System Installation
Based in Neosho, MO · License #39516

King Backhoe & Dozer, LLCLicensed

Septic System Installation
Based in Seneca, MO · License #38387

Preferred General ContractingLicensed

Septic System Installation
Based in Neosho, MO · License #39410

Conner Excavating & Septic Inc.Licensed

Septic System Installation
Based in Neosho, MO · License #33245

Tice ExcavationLicensed

Septic System Installation
Based in Seneca, MO · License #39128

Letts & Demery Pump & DrillingLicensed

Septic System Installation
Based in Neosho, MO · License #39391

King Backhoe & Dozer ServiceLicensed

Septic System Installation
Based in Seneca, MO · License #38327

Ewing Contracting LLCLicensed

Septic System Installation
Based in Neosho, MO · License #38514

Letts & Demery PumpLicensed

Septic System Installation
Based in Neosho, MO · License #39376

Curtis Excavating & Grading LLCLicensed

Septic System Installation
Based in Seneca, MO · License #39052

Henson Soil ConsultingLicensed

Perc Test and Soil Evaluation
Based in Neosho, MO · License #10091

Woodward and Sons Land Services LLCLicensed

Septic System Installation
Based in Seneca, MO · License #39475, 39474

Hurn's Backhoe ServiceLicensed

Septic System Installation
Based in Neosho, MO · License #32868

Morgan*s WeldingLicensed

Septic System Installation
Based in Stark City, MO · License #33249

HK Excavation LLC

Septic System Installation
Based in Neosho, MO · License #37294

Sampson's Done Right LLCLicensed

Septic System Installation
Based in Neosho, MO · License #35878

Letts & Demery Pump IncLicensed

Septic System Installation · Septic Inspection · Perc Test and Soil Evaluation
Based in Neosho, MO · License #37103 (installer), 39443 (installer), 51478 (inspector), 50221 (inspector)

Michael HightowerLicensed

Septic System Installation
Based in Neosho, MO · License #38383

Hurn Excavating LLCLicensed

Septic System Installation
Based in Granby, MO · License #39014

James McAnallyLicensed

Septic System Installation
Based in Stark City, MO · License #38362

J & L Underground Construction, LLCLicensed

Septic System Installation · Septic Inspection · Perc Test and Soil Evaluation
Based in Neosho, MO · License #37918 (installer), 51413 (inspector), 51225 (inspector), 51412 (inspector)

Shetland Excavating and Land Services

Septic System Installation
Based in Stella, MO · License #38901

Haggard's ExcavatingLicensed

Septic System Installation
Based in Neosho, MO · License #38012

Duffers Septic SolutionsLicensed

Septic System Installation · Septic Inspection · Perc Test and Soil Evaluation
Based in Seneca, MO · License #38073 (installer), 51238 (inspector)

Own one of these businesses? Find your listing and claim it.

Looking for a specific contractor? Search by name, business name, or license number.

Services in Newton County, with national cost ranges

Listings based in Newton County whose license class covers each service. Cost ranges are national; each links its cost guide.

ServiceBased in Newton CountyNational cost
Septic Tank Pumping0$250 to $600
Septic System Installation25$3,600 to $12,500
Septic Inspection4$150 to $900
Septic System Design0Varies by site
Perc Test and Soil Evaluation5$250 to $1,000

None of the listings based in Newton County hold a license class we can match to septic tank pumping or septic system design. Ask any contractor whether they do this work, or try a nearby city.

Hiring a septic contractor in Newton County

Septic (onsite wastewater) contractors handle everything from routine septic tank pumping and cleaning to repairs, inspections, and new system installation. States license each role separately (a pumper is not necessarily licensed to install, and vice versa), so match the license class to the job.

Before you sign anything: confirm the license on this page is still active with the agency that issued it, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.

Do I need a permit for well or septic work in Missouri?

Neighboring counties