About Us
Certified Backflow, Winterization, & Welding Professionals Serving North Carolina

Alpine Construction Service LLC is a locally owned and operated company specializing in licensed backflow repair and testing, winterization services, and professional welding and fabrication. We proudly serve Sanford, Southern Pines, Apex, Raleigh, and surrounding communities with reliable workmanship and honest communication.
Our mission is simple:
Protect your property, ensure compliance, and deliver high-quality results you can rely on year-round.



Professional, accurate, and compliant service.

We explain the process and help you stay compliant.

Emergency support whenever issues arise.
We’re here when you need certified backflow, winterization, or welding service.
Backflow Services
Welding & Fabrication
Residential Plumbing
Winterization Services
Emergency Calls 24/7
Wake County
Chatham County
Lee County
Moore County
Raleigh, North Carolina
(919) 935-1388
(919) 244-6088