How much does a radon mitigation system cost in Kent, WA?

The average radon mitigation system in Kent, WA costs $1,818 in 2026. Costs range from $970 for a basic project to $3,637 for a high-end renovation. Kent is 21% more expensive than the national average of $1,500.

What is the labor rate for contractors in Kent?

The average contractor labor rate in Kent, WA is $37.37/hour, compared to the national average of $30/hour. For a radon mitigation system, labor typically accounts for 65% of the total cost, which is approximately $1,182 in Kent.

Are materials more expensive in Kent?

Kent has a material cost index of 115 (national average = 100). Materials cost about 15% more than the national average. For a radon mitigation system, materials account for 35% of the cost, approximately $636.

Do I need a permit for a radon mitigation system in Kent?

A radon mitigation system usually does not require a permit in most jurisdictions, though rules vary in Kent, WA. Always verify with the local building department. The average permit cost in Kent (when required) is $1,501.

Is a radon mitigation system a good investment in Kent?

A radon mitigation system provides an estimated 35% ROI nationally. In Kent, where the median home price is $465,219, this project costs about 0.4% of your home value. This is a small percentage of home value, making it a relatively low-risk improvement.

Radon Mitigation System in Kent, WA — Costs $970 to $3,637

What does radon mitigation system cost in Kent? Average $1,818, ranging $970–$3,637. Labor runs $37.37/hr locally — 21% above the national average. Free breakdown with material + labor split.

Kent, WA Market

+21% vs national

Labor Rate

$37.37/hr

Material Index

115

Avg Permit Cost

$1,501

Median Home Price

$465,219

Kent is a mid-sized city in Washington with a healthy pool of local contractors. Homeowners generally have several options to compare for a radon mitigation system, which helps keep pricing competitive. At 21% above the national average, Kent is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. The median home in Kent is valued at $465,219, putting this project at about 0.4% of home value — a moderate investment with a projected 35% ROI.

Low Estimate

$970

National: $800

Mid-Range

$1,818

National: $1,500

High End

$3,637

National: $3,000

Per Sq Ft

National: $0

Duration: 4-8 hours

DIY: Hard

Permits: Not Required

ROI: 35%

Radon Mitigation System Cost Calculator for Kent

Adjusted for Kent's labor rate ($37.37/hr) and material costs (index 115).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Kent

$1,745

Based on 200 sq ft at mid quality, adjusted for Kent market rates.

Local Cost Breakdown

Labor (65%)$1,182

At Kent's average rate of $37.37/hr (25% above national avg)

Materials (35%)$636

Material cost index 115 (15% above national baseline of 100)

Radon Mitigation System vs. Home Value in Kent

Metric	Kent	National Avg
Radon Mitigation System (Mid-Range)	$1,818	$1,500
Median Home Price	$465,219	$350,000
Project as % of Home Value	0.4%	0.4%
Estimated ROI	35%	35%
Median Household Income	$87,006	$75,000

What Affects the Price in Kent

1Local labor rates ($37.37/hr in Kent)
2Material cost index (115 vs national 100)
3Number of suction points
4Fan size
5Pipe routing
6Basement vs slab foundation

Popular Upgrades

Continuous monitor with alarm
Sealed sump pit lid
Fan diagnostic gauge

Other Projects in Kent, WA

Whole House Generator Installation

$17,896

HardROI 55%

HVAC System Replacement

$14,259

HardROI 50%

Whole House Plumbing Repiping

$12,122

HardROI 45%

Spray Foam Insulation

$9,621

HardROI 60%

Second Story Addition

$239,567

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$179,675

HardROI 80%

Room Addition

$107,805

HardROI 55%

Home Addition

$95,444

MediumROI 60%

Radon Mitigation System in Other Washington Cities

Seattle, WA

$2,347

+29%Pop. 737,015

Spokane, WA

$2,117

+16%Pop. 228,989

Tacoma, WA

$1,826

SamePop. 219,346

Vancouver, WA

$2,007

+10%Pop. 190,915

Bellevue, WA

$2,305

+27%Pop. 151,854

Everett, WA

$2,008

+10%Pop. 110,629

Renton, WA

$2,108

+16%Pop. 106,785

Spokane Valley, WA

$2,109

+16%Pop. 103,597

Planning a Radon Mitigation System in Kent

A radon mitigation system typically doesn't require a permit in Kent, which simplifies planning. However, always confirm with the local building department before starting, especially for structural changes. Expect the project to take 4-8 hours to complete.

A radon mitigation system is a complex project best left to licensed professionals. In Kent, skilled contractors charge an average of $37.37/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

With a median household income of $87,006, many Kent residents can budget for this project through savings. The mid-range cost of $1,818 represents 2% of the typical household's annual income.

Radon Mitigation System — National Guide

See the full national cost guide with DIY tips, cost factors, and ROI analysis.

All Construction Costs in Kent

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