Do I Need a Permit for a Bathroom Remodel Plumbing?
Usually yes — the fixture's (the moved — the relocated; the added) needs the plumbing permit (the DWV's — the vented; the inspected), even where (the cosmetic's — the exempt). The like-for-like (the same — the location's; the exempt's — the often), the relocated (the permitted — the always), and the added (the bath's — the new). The permit follows the pipe's move.
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When permits are needed
The relocated (the fixtures' — the moved; the DWV's — the re-vented; the permitted), the added (the bath's — the new; the half's — the added), the like-for-like (the same — the location's; the exempt's — the often), and the structural (the joists' — the notched; the engineered's — the bored).
The plumbing's code
The DWV (the vented — the 42-inch; the wet's — the 6-foot), the slope (the 1/4-inch — the 3-inch's; the 1/8's — the 4's), the trap (the P's — the sealed; the 2-inch — the shower's), the shower (the pan's — the tested; the 24-hour), and the water (the hammer's — the arrested; the access's — the paneled).
Cost and inspection
The $200-$600 (the permit's — the plumbing's; the combined's — the more), the $15,000-$40,000+ (the remodel's — the full; the relocated's — the more), and the inspection (the rough's — the shower pan's — the 24-hour; the final's). The vent's — the fixtures' breath; the slope's — the drain's.
The bottom line
Relocated/added bathroom plumbing needs a plumbing permit (DWV re-venting, 1/4-in/ft slope, 24-hr shower pan test) — like-for-like swaps are often exempt; budget $200-$600 for permits.
Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.