A & A HOME SERVICES
Verified · Lic. 9802Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
Buncombe County, NC · Septic System Installation
Septic System Installation in Buncombe County
A new or replacement system in Buncombe County starts with a soil test and a permit — not a shovel.
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 Buncombe County
Local ground is the deciding factor in Buncombe County: Slope-driven seepage and bedrock force careful placement; effluent can surface downslope, and stream setbacks plus steep-slope rules limit siting. And the rules here matter — steep-slope and shallow-soil-over-rock conditions push designs to low-pressure pipe and engineered systems under 18e, which can raise the cost of a new system considerably.
How a septic installation works
- Site & soil evaluation. A licensed evaluator or engineer tests percolation and locates the seasonal high water table to determine what the soil can handle.
- System design. The system is sized to your soil and the number of bedrooms, and the type is chosen — conventional, mound/filled, or aerobic.
- County permit. Plans are submitted to the county health department for an OSTDS construction permit before any work begins.
- 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.
- 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 Buncombe County
License-verified contractors (active state license) are listed first.
ABLE SEPTIC TANK SVC
Verified · Lic. 1573Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
ADAM SLUDER PLUMBING LLC
Verified · Lic. 14917Alexander, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
ADRYANA SERVICES
Verified · NC NCOWCICBAsheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
AHF SEPTIC LLC
Verified · Lic. 6360Arden, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
ALBA LANDSCAPE & CONSTRUCTION
Verified · Lic. 9025Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
AMERICAN EAGLE HOME INSPECTION
Verified · NC NCOWCICBAsheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25
APPALACHIAN EARTHWORX
Verified · Lic. 6345Fairview, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
APPALACHIAN PAVING & CONCRETE INC
Verified · Lic. 15407Swannanoa, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
APPALACHIAN SOLUTIONS LLC
Verified · Lic. 14567Clyde, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
ARGUETA'S GRADING AND CONCRETE LLC
Verified · Lic. 11836Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
ASHEVILLE LAWN & LANDSCAPING LLC
Verified · Lic. 9739Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
ASHEVILLE SEPTIC AND WELL
Verified · NC NCOWCICBAsheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25
ASHLEE SUMMERS
Verified · Lic. 11845Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
B & B BURNS SEPTIC PUMPING
Verified · Lic. 5285Arden, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
B CARTER ENTERPRISES INC
Verified · Lic. 14575Leicester, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BACKWODS GRADING
Verified · Lic. 3426Fairview, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BALLEW BUILT INC
Verified · Lic. 11143Candler, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BANKS WELL PUMP LLC
Verified · Lic. 11563Candler, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
BARTLETT CONSTRUCTION & LANDSCAPING CO
Verified · Lic. 3309Weaverville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BB'S LAND MANAGEMENT
Verified · Lic. 9812Fairview, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
BENJAMIN FRANKLIN PLUMBING
Verified · Lic. 93829382, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BIG HILLS CONSTRUCTION LLC
Verified · Lic. 9603Candler, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
BLACKSMITH LANDSCAPING LLC
Verified · Lic. 5231Fairview, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
BLALOCK EXCAVATION
Verified · Lic. 5472Leicester, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
BLUE MOUNTAIN LANDWORKS LLC
Verified · Lic. 9021Asheville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BLUE RIDGE GC CONSTRUCTION AND GRADING
Verified · Lic. 6625Candler, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BLUE RIDGE SEPTIC SOLUTIONS
Verified · Lic. 4540Arden, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level II) · NC NCOWCICB · verified 2026-06-25
BOB'S DUMP TRUCK & BACKHOE
Verified · Lic. 3090Weaverville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BOBBY HYATTS GRADING
Verified · Lic. 4983Candler, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
Septic System Installation in Buncombe County — FAQ
What does a new septic system cost in Buncombe 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 Buncombe County are the biggest cost driver.
Do I need a permit to install a septic system in Buncombe County?
Yes. Permits are issued by the Local authorized agent / county health department in Buncombe 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.