Whole House Repipe Cost in Houston 2026
Whole House Repipe in Houston costs between $3,763 and $14,112 in 2026, with the average around $7,526. Houston pricing runs 6% below the US national average. Replacement of all supply water lines throughout the home with new PEX or copper piping, new shutoff valves, and fixture connections. Includes wall access, patching, and pressure testing.
What whole house repipe includes in Houston
Replacement of all supply water lines throughout the home with new PEX or copper piping, new shutoff valves, and fixture connections. Includes wall access, patching, and pressure testing.
Typical time on site: 2 to 4 days. Local labor rate: $27/hour for an experienced plumbing pro.
What changes the price of whole house repipe in Houston
- PEX versus copper
- Number of bathrooms
- Home size and stories
- Wall access and drywall repair
- Slab or crawlspace routing
A whole house repipe quote priced off statewide averages will be off by 10 to 20 percent for Houston, because the metro has its own labor pool, material delivery distances, and permit timelines.
Houston climate and demand for plumbing
Subtropical climate with heavy AC demand year-round; hurricane exposure (Harvey 2017 reshaped flood maps); subsidence in clay soils
Houston permits for whole house repipe
Building department: City of Houston Department of Public Works. https://www.houstonpermittingcenter.org
Typical permit cost: $80 - $1,200 residential / $2K+ commercial. Inspection time: 3-7 business days (fastest large city). Houston rule: Houston has NO ZONING - easier permitting than most large cities. Flood plain rules from post-Harvey are strict. TDLR licenses for HVAC, electrical, plumbing apply.
Texas sales tax and licensing for Plumbing
Texas sales tax: 6.25% + local (~8.2% combined avg, capped at 8.25%). NEW CONSTRUCTION labor exempt. REMODELING and REPAIR labor on real property TAXABLE. Lump-sum vs. separated contracts treated differently.
State license: Texas Department of Licensing and Regulation (TDLR) - for HVAC, electrical, plumbing only; no statewide GC license, no statewide license, local registration required.
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