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Four filter cartridge housings mounted in a row on a wall with copper and brass plumbing above.

How Much Does Water Filtration Cost in Seattle, Washington?

Supply and install a whole-house water filtration system (system and plumbing labor) on a city-water home; well-water/RO/UV packages run higher.

Water Filtration in Seattle, Washington typically costs $1,145 to $4,580 per project as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.

Water Filtration in Seattle, Washington

$1,145 – $4,580

per project

Prices in Seattle are 19.0% higher than the national average for water filtration.

National average: $1,000 – $4,000 per project

What you get at each price level

  • Basic

    $973 – $3,893 per project

    Two-stage cartridge system with sediment and carbon housings on the main line, bypass valve and shutoff

  • Standard

    $1,145 – $4,580 per project

    Sediment pre-filter plus tank-style catalytic carbon filter for chlorine and chloramine, bypass valve

  • Premium

    $1,431 – $5,725 per project

    Sediment pre-filter, larger catalytic carbon tank and scale-reduction stage, bypass loop, pressure gauges

Cost Breakdown in Seattle

ComponentCategoryPrice RangeUnit
Materialsmaterial$468 – $1,872job
Laborlabor$469 – $1,876job
Supplies & Othersupplies$125 – $499job
Equipment & Disposalequipment$83 – $333job
Prices adjusted for Seattle local market conditions.

Cost Factors in Seattle, Washington

What Affects Pricing

  • Materials ($450.00-$1,800.00 per project)
  • Labor ($350.00-$1,400.00 per project)
  • Supplies & Other ($120.00-$480.00 per project)
  • Equipment & Disposal ($80.00-$320.00 per project)

Local Price Adjustments

Material costs4.0% above avg
Labor costs34.0% above avg

Labor costs in Seattle run proportionally higher than materials, which may favor material-heavy solutions.

Frequently Asked Questions

References

Get Free Estimates in Seattle

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