How much does a whole-house repiping cost in St. Louis?

A whole-house repiping in St. Louis typically costs $4,165-$15,618, 4% above the $8,500 national average.

What is the cost per linear ft for a whole-house repiping in St. Louis?

Whole-House Repiping in St. Louis typically costs $2-$6 per linear ft.

What are the different quality tiers for a whole-house repiping in St. Louis?

A budget whole-house repiping in St. Louis averages $4,970 (Small 1-bath home under 1,200 sq ft, CPVC pipe throughout, minimal drywall access needed, basic fixtures included.). A mid-range project runs $10,220 (2-3 bath home, 1,500-2,500 sq ft, PEX-A piping, manifold system, standard drywall patching included.). A premium renovation costs $16,878 (Large home 3,000+ sq ft, 3-4 baths, PEX-A with home-run manifold, full drywall restoration, new shutoffs at all fixtures.).

How long does a whole-house repiping take?

A whole-house repiping typically takes 3-5 days. The minimum timeline is 2 days, and complex projects can run 2 weeks.

Can I DIY a whole-house repiping?

DIY feasibility for a whole-house repiping is rated Very Low - Whole-house repiping requires plumbing permits and licensed plumber inspections in virtually every jurisdiction. Improper connections can lead to water damage and mold..

Cost to Whole-House Repiping in St. Louis, MO (2026)

If you’re budgeting a whole-house repiping in St. Louis, most projects run $4,165-$15,618, 4% above the $8,500 national average. What moves that number most is usually one thing: Home Size and Number of Bathrooms. On its own it can swing the cost by $2,000 - $15,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Choose PEX over copper - it is equally durable for residential use at roughly 1/3 the material cost.

$4,165-$15,618 in St. Louis

4% above the national average · 1.04x cost multiplier

In St. Louis, a whole-house repiping runs $4,165 to $15,618 on average - about 4% above what homeowners pay nationwide. The Midwest market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in St. Louis

Line Item	Low	Mid	High
Cost per linear ft	$2	$4	$6
Materials	$1,692	$3,290	$5,640
Labor	$2,808	$6,178	$10,110
Permits	$470	$752	$1,128
Total	$4,970+4% vs. national avg	$10,220+4% vs. national avg	$16,878+4% vs. national avg

Budget

Small 1-bath home under 1,200 sq ft, CPVC pipe throughout, minimal drywall access needed, basic fixtures included.

Mid-Range

2-3 bath home, 1,500-2,500 sq ft, PEX-A piping, manifold system, standard drywall patching included.

Premium

Large home 3,000+ sq ft, 3-4 baths, PEX-A with home-run manifold, full drywall restoration, new shutoffs at all fixtures.

Material Options

Material prices below are national averages; availability in St. Louis may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
PEX-A (Uponor / Wirsbo)	$0.80-$1.50 per linear ft materials	Most flexible, fewest fittings, expansion connections are very reliable, freeze-resistant, 25-year warranty	Higher material cost than standard PEX, proprietary fitting system, requires special expansion tool	Most residential repiping projects where long-term performance is the priorityMost flexible, fewest fittings, expansion connections are very reliable, freeze-resistant, 25-year warranty
PEX-B (Crimp or Clamp)	$0.50-$1.00 per linear ft materials	Widely available, lower cost, many plumbers are familiar with it, flexible routing	Less freeze-resistant than PEX-A, fittings reduce flow slightly, more fittings needed vs. expansion type	Budget-conscious repiping in moderate climatesWidely available, lower cost, many plumbers are familiar with it, flexible routing
CPVC	$0.50-$0.90 per linear ft materials	Lowest material cost, rigid (easier to support), handles hot water well	Brittle and prone to cracking in cold temperatures, solvent cement joints require careful technique, not freeze-resistant	Warm climates like Florida, Arizona, and the Deep South where freeze risk is minimalLowest material cost, rigid (easier to support), handles hot water well
Copper	$3.00-$8.00 per linear ft materials	50+ year lifespan, resale value perception, no plastic concerns, proven track record	Most expensive option, slower installation, subject to theft, price volatile with commodity markets	High-end homes where resale value and premium materials are priorities50+ year lifespan, resale value perception, no plastic concerns, proven track record

Other Projects in St. Louis

Full Kitchen Remodel

Basement Finishing

Roof Replacement (Asphalt Shingles)

Back to national average for Whole-House Repiping

St. Louis Estimate

Typical Range

$4,165-$15,618

vs. National Average

4% above national

Cost Multiplier

1.04x

Cost Per linear ft

$2-$6

This 1.04x estimate prices St. Louis labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →