Certified backflow repair, testing, and reliable welding/fabrication services for residential and commercial properties in Sanford, Southern Pines, Apex, and Raleigh.

Backflow testing, repairs, replacements, and certifications.


Protect pipes, prevent freezing, seasonal shut-offs, insulation.


Plumbing repairs, installations, leak fixes, and emergency service .


Protect pipes, prevent freezing, seasonal shut-offs, insulation.

From structural welding to creative fabrication. Central Customs turns metal into form, function, and strength across Central and Southwest Florida.
Alpine Construction Service LLC provides licensed backflow prevention, expert testing, and professional welding and fabrication services across Sanford, Southern Pines, Apex, and Raleigh.
We focus on safety, precision, and clear communication with every homeowner and business we serve.
What sets us apart is our commitment to educating customers. We take the time to explain what your backflow assembly does, why the city requires it, and how we help keep your property in compliance.



Reliable, on-time work
Clear communication
Certified services
24/7 emergency availability (only if true)
Respectful, clean job sites
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