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Septic System Installation in Wilmington, NC

18 of the 23 licensed listings in Wilmington hold a North Carolina license class that covers this work: they are licensed to build and install septic tanks and drainfields, and repair or replace failed ones. Not every well and septic professional is; see all Wilmington listings for the full roster.

Need septic system installation quotes in Wilmington? Request free quotes and we'll route your request to local septic installers.

Mello Improvements LLCLicensed

Wilmington, NC · License #11195

Cw's Septic Tank InstallationLicensed

Wilmington, NC · License #9195

Ronald StephensonLicensed

Wilmington, NC · License #11390, 11390I

Parker Septic ServiceLicensed

Wilmington, NC · License #11411

Sewer & Drain MedicLicensed

Wilmington, NC · License #3956, 3956I

Michael Lee TaltonLicensed

Wilmington, NC · License #14718

Cape Fear Advanced SepticsLicensed

Wilmington, NC · License #11415

Coast Wastewater OperationsLicensed

Wilmington, NC · License #3638, 3638I

Little City PlumbingLicensed

Wilmington, NC · License #9062

Avm Excavation INCLicensed

Wilmington, NC · License #11361

Franklin Laverne Faircloth JrLicensed

Wilmington, NC · License #7110

Utility Specialist/carolinas LLCLicensed

Wilmington, NC · License #14869

D S Thorpe Landscapes LLCLicensed

Wilmington, NC · License #6145

Harbor Island InvestorsLicensed

Wilmington, NC · License #11384

Parker Septic ServLicensed

Wilmington, NC · License #2993

Coastal Groundworx LLCLicensed

Wilmington, NC · License #5102, 5102I

Barnes Demolition LLCLicensed

Wilmington, NC · License #15430

Matthew GoleniakLicensed

Wilmington, NC · License #11922

What does septic system installation cost?

A conventional septic system typically costs $3,600 to $12,500 installed. Alternative systems (aerobic, mound) for difficult sites run $10,000 to $20,000. Soil conditions drive most of the difference, which is why a soil or percolation test comes first.

Do I need a permit to install or replace a septic system?

Almost always. Your state or county health authority must permit new systems and most repairs, and the design has to match a soil evaluation of your site. Licensed installers usually handle permitting as part of the job; confirm it is included in the quote.

Before you hire

Confirm the license number on this page is still active with North Carolina, ask for proof of insurance, and get at least three written quotes; pricing on this work varies widely by site conditions.

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