5 COUNTY CONSTRUCTION INC
Verified · Lic. 11020Zebulon, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
Wake County, NC · Septic System Installation
Septic System Installation in Wake County
A new or replacement system in Wake 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 Wake County
Local ground is the deciding factor in Wake 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
- 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 Wake County
License-verified contractors (active state license) are listed first.
A & A SERVICES
Verified · Lic. 1897Zebulon, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
A-1 SEPTIC TANK CLEANING INC
Verified · Lic. 6508Holly Springs, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
A+ SEPTIC TANK PUMPING
Verified · Lic. 8048Willow Spring, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level II) · NC NCOWCICB · verified 2026-06-25
ADCOCK EXCAVATING LLC
Verified · Lic. 1902Fuquay Varina, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
ADVANTAGE INSPECTION
Verified · NC NCOWCICBRaleigh, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25
AGRI WASTE TECHNOLOGY INC
Verified · Lic. 4957Cary, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
ALL-AMERICAN SEPTIC
Verified · Lic. 4197Wendell, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
ALLIANCE LANDSCAPES LLC
Verified · Lic. 9572Raleigh, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
APOLLO SEPTIC LLC
Verified · Lic. 14128Willow Spring, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
ARC TOTAL SOLUTIONS LLC
Verified · Lic. 15179Wake Forest, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BAILEY SEPTIC TANK SERVICE
Verified · Lic. 1949Knightdale, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
BASS SERVICE CO
Verified · Lic. 4972Youngsville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
BEN'S PLUMBING & SEPTIC INC
Verified · Lic. 5548Wendell, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
BOBBY DAVIS JR SEPTIC TANK SERVICE
Verified · Lic. 3402Morrisville, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
BOWERS ENVIRONMENTAL SERVICES LLC
Verified · Lic. 11592Wake Forest, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
BRETT HYMEL
Verified · Lic. 15118Apex, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
BULLINS SEPTIC AND GRADING LLC
Verified · Lic. 11219Raleigh, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
C & C SEPTIC SERVICES INC
Verified · Lic. 11122Willow Spring, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level II) · NC NCOWCICB · verified 2026-06-25
C ROCHA SERVICES LLC
Verified · Lic. 12054Willow Spring, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
CAPITAL CONSTRUCTION COMPANY LLC
Verified · Lic. 7896Raleigh, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
CAPITAL INDUSTRIAL SERVICES
Verified · Lic. 6080Garner, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
CENTERLINE GRADING LLC
Verified · Lic. 14846Zebulon, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level II) · NC NCOWCICB · verified 2026-06-25
CENTRAL CAROLINA SOIL CONSULTING
Verified · NC NCOWCICBWake Forest, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25
CENTRAL CAROLINA SOIL CONSULTING PLLC
Verified · Lic. 6027Wake Forest, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
CHARLES BISHOP KARPA III
Verified · NC NCOWCICBFuquay Varina, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector · NC NCOWCICB · verified 2026-06-25
CHARLES SESSOMS
Verified · Lic. 1240Clayton, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
Inspector (Level IV) · NC NCOWCICB · verified 2026-06-25
CHERI LYNNE
Verified · Lic. 6318Chapel Hill, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
CKS PLUMBING & BACKFLOW LLC
Verified · Lic. 7004Raleigh, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
CONTRACT BUILDERS INC
Verified · Lic. 1232Fuguay Varina, NC
Septic Tank PumpingSeptic RepairSeptic InspectionSeptic System Installation
On-Site Wastewater Contractor (Level IV) · NC NCOWCICB · verified 2026-06-25
Septic System Installation in Wake County — FAQ
What does a new septic system cost in Wake 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 Wake County are the biggest cost driver.
Do I need a permit to install a septic system in Wake County?
Yes. Permits are issued by the Local authorized agent / county health department in Wake 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.