Cost to Kitchen Plumbing Rough-In in Seattle, WA

$2,560–$10,880 in Seattle

28% above the national average · 1.28x cost multiplier

In Seattle, a kitchen plumbing rough-in runs $2,560 to $10,880 on average — about 28% 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 Item	Low	Mid	High
Cost per linear ft of pipe	$58	$122	$256
Materials	$768	$2,304	$5,760
Labor	$1,536	$3,840	$8,960
Permits	$256	$512	$768
Total	$2,560+28% vs. national avg	$6,656+28% vs. national avg	$15,488+28% vs. national avg

Budget

Basic sink rough-in with supply and drain lines in same location as existing plumbing. No layout changes.

Mid-Range

Sink relocation, dishwasher stub-out, ice maker line, and new shutoff valves. Moderate pipe rerouting.

Premium

Full kitchen layout change with new sink location, pot filler installation, island plumbing, and complete supply line replacement.

Material Options

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

Material	Cost/Unit	Pros	Cons	Best For
PEX Pipe (Supply Lines)	$0.50-$2/linear ft	Flexible, freeze-resistant, fast to install, low cost	Cannot be used outdoors, some areas restrict use	Most residential remodel supply linesFlexible, freeze-resistant, fast to install, low cost
Copper Pipe (Supply Lines)	$2-$8/linear ft	Proven long-term durability, accepted everywhere, premium finish on exposed runs	More expensive, requires soldering skill, subject to price volatility	Premium remodels, areas where PEX is restrictedProven long-term durability, accepted everywhere, premium finish on exposed runs
ABS Drain Pipe	$1-$3/linear ft	Lightweight, easy to cut, common and available everywhere	Cannot be used in certain jurisdictions, can expand and warp	Drain and waste lines in most residential applicationsLightweight, easy to cut, common and available everywhere
PVC Drain Pipe	$0.75-$2.50/linear ft	Strong, widely accepted, chemical resistant	Brittle in very cold temps, slightly harder to work with than ABS	Drain and vent lines, universal acceptanceStrong, widely accepted, chemical resistant
Cast Iron Drain Pipe	$3-$9/linear ft	Quietest drain lines, very long lifespan	Heavy, expensive, requires specialized tools	Premium builds, multi-story homes where quiet drains matterQuietest drain lines, very long lifespan

Other Projects in Seattle

Full Kitchen Remodel

Full Bathroom Remodel

Composite Deck Building

Back to national average for Kitchen Plumbing Rough-In

Seattle Estimate

Typical Range

$2,560–$10,880

vs. National Average

28% above national

Cost Multiplier

1.28x

Cost Per linear ft of pipe

$58–$256

Estimates apply Seattle's 1.28x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.

See national average costs →