Cost to Whole-House Repiping in Seattle, WA (2026)

If you’re budgeting a whole-house repiping in Seattle, most projects run $4,987-$18,701, 25% 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.

$4,987-$18,701 in Seattle

25% above the national average · 1.25x cost multiplier

In Seattle, a whole-house repiping runs $4,987 to $18,701 on average - about 25% above what homeowners pay nationwide. The West Coast 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 Seattle

Line ItemLowMidHigh
Cost per linear ft$2$4$7
Materials$2,052$3,990$6,840
Labor$3,334$7,334$12,001
Permits$570$912$1,368
Total$5,956+24% vs. national avg$12,236+25% vs. national avg$20,209+25% 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 Seattle may shift costs slightly.

MaterialCost/UnitBest For
PEX-A (Uponor / Wirsbo)$0.80-$1.50 per linear ft materialsMost 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 materialsBudget-conscious repiping in moderate climatesWidely available, lower cost, many plumbers are familiar with it, flexible routing
CPVC$0.50-$0.90 per linear ft materialsWarm 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 materialsHigh-end homes where resale value and premium materials are priorities50+ year lifespan, resale value perception, no plastic concerns, proven track record

Other Projects in Seattle

Seattle Estimate

Typical Range

$4,987-$18,701

vs. National Average

25% above national

Cost Multiplier

1.25x

Cost Per linear ft

$2-$7

This 1.25x estimate prices Seattle 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 →