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Iredell County, NC · Septic System Installation

Septic System Installation in Iredell County

A new or replacement system in Iredell County starts with a soil test and a permit — not a shovel.

See 30 verified pros

Installing a septic system is the largest-ticket job a septic owner faces, and the design is dictated by your land: soil type, how fast it percolates, and how high the water table sits all decide what system you're allowed to build and what it costs.

Every legal install begins with a site evaluation and a county permit. The output of that evaluation — conventional drainfield, engineered mound, or an aerobic/nitrogen-reducing unit — is what drives the final price far more than the tank itself.

Local conditions in Iredell County

Local ground is the deciding factor in Iredell County: Most lots have adequate vertical separation, but perched seasonal water above clay can fail an otherwise good-looking lot — soil color (gray mottling) is the tell. And the rules here matter — all work under 15a ncac 18e with three-permit (ip/ca/op) sequence administered by each county health department, which can raise the cost of a new system considerably.

How a septic installation works

  1. Site & soil evaluation. A licensed evaluator or engineer tests percolation and locates the seasonal high water table to determine what the soil can handle.
  2. System design. The system is sized to your soil and the number of bedrooms, and the type is chosen — conventional, mound/filled, or aerobic.
  3. County permit. Plans are submitted to the county health department for an OSTDS construction permit before any work begins.
  4. Tank and drainfield install. The tank is set and the drainfield is built to spec, with fill brought in where the water table requires elevation.
  5. Final inspection. The county inspects the open system and signs off before it's covered and put into use.
What drives the cost
  • System type — conventional vs. mound vs. aerobic/nitrogen-reducing
  • Soil and water table (high water tables require expensive fill)
  • Drainfield size, which scales with bedroom count
  • Permit and engineering/site-evaluation fees
  • Site access and how much excavation is needed
  • Tank material and capacity
How to choose a pro
  • Use a licensed Registered or Master Septic Tank Contractor
  • Make sure they pull the county permit (never skip it)
  • Insist the design matches your soil/site evaluation
  • Get the warranty and final county approval in writing

30 septic system installation providers in Iredell County

License-verified contractors (active state license) are listed first.

A & S GRADING & SEPTIC

Verified · Lic. 14628
Hamptonville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

A 1 BACKHOE INC

Verified · Lic. 1071
Union Grove, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

ACTION SERVICE COMPANY

Verified · Lic. 7178
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

ADAN CLEMENTE GARCIA

Verified · Lic. 3774
Troutman, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

AJ'S GROUNDWORKS AND SITE SOLUTIONS LLC

Verified · Lic. 6454
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25

ANDY YOUNTZ

Verified · Lic. 1196
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

ASAP LANDSCAPING & SEPTIC

Verified · Lic. 1197
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25

ATLAS SEPTIC SERVICE

Verified · NC NCOWCICB
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25

ATLAS SOLUTIONS LLC

Verified · Lic. 5801
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

BANDY'S LANDSCAPE MANAGEMENT

Verified · Lic. 11728
Union Grove, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

BENFIELD OUTDOOR SERVICES & SOLUTIONS

Verified · Lic. 6273
Mooresville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25

BOTKINS SOIL & DEVELOPMENT

Verified · Lic. 14771
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

BRANCH LANDSCAPE LLC

Verified · Lic. 15093
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

BRITTANY JONES

Verified · Lic. 13015
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

BRONSON SHANE BUCKHANAN

Verified · Lic. 9691
Mooresville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

BUILDING COMPANY NO 7 LLC

Verified · Lic. 7897
Mooresville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

CAROLINA REGIONAL WASTEWATER LLC

Verified · Lic. 7124
Troutman, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25

CHOSEN GROUND LLC

Verified · Lic. 5575
Cleveland, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

CHRIS HASKINS

Verified · Lic. 14830
Claremont, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

COREY KENT

Verified · Lic. 14287
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

CRAIG THOMPSON GRADING

Verified · Lic. 5900
Harmony, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25

DANIEL JAMES HILL

Verified · Lic. 11660
Mooresville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

DANNY DAVIS

Verified · Lic. 14023
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

DAVID SMALL INC

Verified · Lic. 11566
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

DENNIS J SCOTT

Verified · Lic. 11844
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

DIRT BANDITS GRADING & LANDSCAPING LLC

Verified · Lic. 11184
Harmony, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

DL ENVIRONMENTAL SERVICES

Verified · NC NCOWCICB
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25

ELLIS BUILDING COMPANY LLC

Verified · Lic. 11639
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25

EMH CONSTRUCTION

Verified · Lic. 11418
Mooresville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25

ESTES TRUCKING LLC

Verified · Lic. 14813
Statesville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
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Septic System Installation in Iredell County — FAQ

What does a new septic system cost in Iredell County?

Conventional systems commonly run from several thousand dollars to well over $10,000; mound and nitrogen-reducing systems cost more. Soil and water-table conditions in Iredell County are the biggest cost driver.

Do I need a permit to install a septic system in Iredell County?

Yes. Permits are issued by the Local authorized agent / county health department in Iredell County, under North Carolina Department of Health and Human Services (NC DHHS), Division of Public Health — Environmental Health Section, On-Site Water Protection Branch (OSWP)., and the system must pass inspection before use.

How long does an installation take?

Once permitted, the install itself is often 1–3 days, but evaluation and permitting can add weeks. Plan ahead.

Other services in Iredell County

Emergency Septic ServiceSeptic RepairSeptic Tank PumpingSeptic Inspection

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