Do I Need a Permit for a Whole-House Plumbing Repipe?
Yes — the repipe (the 2-bath — the copper's; the PEX's) always needs the plumbing permit (the pressure's — the tested; the inspected), even where (the repair's — the exempt's — the never). The 2-bath (the 100-foot — the 3/4-inch's; the manifold's), the pressure (the 80 psi's — the tested; the 15-minute's), and the drywall (the 20-hole's — the patched; the 2-day's). The permit's — the water's pressure.
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The repipe's requirements
The 3/4-inch (the trunk's — the 1/2's — the branches; the PEX's), the manifold (the home-run's — the 1/2's; the labeled), the 80 psi (the test's — the 15-minute's; the air's — the water's), the 18-inch (the water heater's — the metal's; the PEX's — the 18), the hammer (the arrestors' — the 2's; the quick's — the closing), and the 2-bath (the 100-foot's — the 2-day's; the 1,500 sq ft's).
Materials
The PEX-A (the expansion's — the 25-year's; the Uponor's), the copper (the L's — the 50-year's; the soldered), the CPVC (the 20-year's — the glued; the 180°F's), the 25-year (the warranty's — the PEX's; the manufacturer's), and the lead (the 0's — the 2014's; the NSF 61's).
Cost and inspection
The $200-$500 (the permit's — the plumbing's), the $8,000-$15,000+ (the repipe's — the 2-bath; the 2-day's), the 20-hole (the drywall's — the patched; the 2's — the day), and the inspection (the rough's — the 80 psi's; the final's). The 80 psi's — the 15-minute's test; the permit's — the pressure's.
The bottom line
Whole-house repipes always need plumbing permits (3/4-in trunk, 80 psi 15-min pressure test, 18-in metal at water heater, hammer arrestors) — PEX-A (25-yr warranty) vs. copper L (50-yr); budget $8,000-$15,000+ and $200-$500 for permits.
Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.