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Licensed Septic Contractors: Union County, OH

12 licensed septic contractors based in Union 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 Ohio Department of Health - Sewage Treatment System Bond Lists. Roster copy last refreshed 2026-08-17.

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

Towns in Union County

All 4 towns named on the license records based here, with the number of listings in each, most first.

License classes on the Union 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 12.

License classTradeListings
Sewage Treatment System InstallerSeptic7
Sewage Treatment System Service ProviderSeptic4
Septage HaulerSeptic3

Septic Contractors based in Union County (12)

Level Line Excavation LLC

Septic System Installation
Based in Marysville, OH · License #BND073193H

Belville Construction Services LLCC

Septic System Installation
Based in Marysville, OH · License #67111180

J Miller Excavating Inc

Septic System Installation
Based in Plain City, OH · License #BND015448C, BND015496Q

UnionAP Excavating LLC

Septic System Installation
Based in Richwood, OH · License #66873674, 66873752

Clarridge Discount Septic, LLC

Septic
Based in Marysville, OH · License #100179003

Buckeye Aeration

Septic
Based in Marysville, OH · License #62606709

BDR Excavating LLC

Septic System Installation
Based in Marysville, OH · License #BND156505F

Prodig Excavation LLC

Septic System Installation
Based in Plain City, OH · License #67345332

Daniel Wright

Septic System Installation
Based in Marysville, OH · License #2426343

Warner's Liquid Waste Hauling LLC

Septic
Based in Plain City, OH · License #2426056

UnionClarridge Discount Septic, LLC

Septic
Based in Marysville, OH · License #100298256

Discount Portable Toilets

Septic
Based in Richwod, OH · License #107728669

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 Union County, with national cost ranges

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

ServiceBased in Union CountyNational cost
Septic Tank Pumping0$250 to $600
Septic System Installation7$3,600 to $12,500
Septic Inspection0$150 to $900
Septic System Design0Varies by site
Perc Test and Soil Evaluation0$250 to $1,000

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

Hiring a septic contractor in Union 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 Ohio?

Neighboring counties