For Septic Perc Testing & Other Soils Consulting Assistance: 

Call: (919)732-1300 (then press “2”)

Three Oaks Locations & Contact Information

Durham, NC – Headquarters

324 Blackwell Street, Suite 1200
Durham, NC 27701
Telephone: 919.732.1300
Email:  durham@threeoaksengineering.com

Raleigh, NC

1730 Varsity Drive, Suite 140
Raleigh, NC 27606
Telephone: 919.732.1300
Email:  raleigh@threeoaksengineering.com

Columbia, SC (W-Cola/Cayce)

1022 State Street, Building 2 
Cayce, SC 29033 
Telephone: 803.205.5563
Email:  columbia@threeoaksengineering.com

Three Oaks Engineering ensures nondiscrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964.  If you need more information or special assistance for persons with disabilities or limited English proficiency, contact our office at 919.732.1300.