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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 Honolulu, Hawaii?

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 Honolulu, Hawaii typically costs $1,183 to $4,732 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 Honolulu, Hawaii

$1,183 – $4,732

per project

Prices in Honolulu are 21.0% higher than the national average for water filtration.

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

What you get at each price level

  • Basic

    $1,006 – $4,022 per project

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

  • Standard

    $1,183 – $4,732 per project

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

  • Premium

    $1,479 – $5,915 per project

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

Cost Breakdown in Honolulu

ComponentCategoryPrice RangeUnit
Materialsmaterial$504 – $2,016job
Laborlabor$455 – $1,820job
Supplies & Othersupplies$134 – $538job
Equipment & Disposalequipment$90 – $358job
Prices adjusted for Honolulu local market conditions.

Cost Factors in Honolulu, Hawaii

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 costs12.0% above avg
Labor costs30.0% above avg

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

Frequently Asked Questions

References

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