Whole House Repipe Cost in Columbia 2026
Whole House Repipe in Columbia costs between $3,648 and $13,680 in 2026, with the average around $7,296. Columbia pricing runs 9% 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 Columbia
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: $26/hour for an experienced plumbing pro.
What changes the price of whole house repipe in Columbia
- 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 Columbia, because the metro has its own labor pool, material delivery distances, and permit timelines.
Columbia climate and demand for plumbing
A humid subtropical climate famous for extreme summer heat and humidity, mild winters, and heavy rain events that make cooling capacity, drainage, and moisture control priorities.
Columbia permits for whole house repipe
Building department: City of Columbia Planning and Development Services. https://planninganddevelopment.columbiasc.gov/
Typical permit cost: $100 to $500 for common residential trade permits, valuation-based. Inspection time: typically 2 to 5 business days for residential inspections. Columbia rule: Columbia licensed contractors apply and pay for permits through the Planning and Development Services online self-service portal, with the business license office at 1339 Main Street. Trade work in the state follows the South Carolina Building Codes Council standards, and city limits span both Richland and Lexington counties.
South Carolina sales tax and licensing for Plumbing
South Carolina sales tax: 6% + local (~7.4% combined avg). Real property labor exempt. Local sales tax varies by county.
State license: South Carolina Department of Labor, Licensing and Regulation (LLR), required: $135 (residential builder, RBL); GC and BCM also available.
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