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

The average radon mitigation system in Renton, WA costs $2,108 in 2026. Costs range from $1,124 for a basic project to $4,215 for a high-end renovation. Renton is 41% more expensive than the national average of $1,500.

What is the labor rate for contractors in Renton?

The average contractor labor rate in Renton, WA is $44.98/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 $1,370 in Renton.

Are materials more expensive in Renton?

Renton has a material cost index of 123 (national average = 100). Materials cost about 23% more than the national average. For a radon mitigation system, materials account for 35% of the cost, approximately $738.

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

A radon mitigation system usually does not require a permit in most jurisdictions, though rules vary in Renton, WA. Always verify with the local building department. The average permit cost in Renton (when required) is $1,646.

Is a radon mitigation system a good investment in Renton?

A radon mitigation system provides an estimated 35% ROI nationally. In Renton, where the median home price is $560,000, 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 Renton, WA — Costs $1,124 to $4,215

What does radon mitigation system cost in Renton? Average $2,108, ranging $1,124–$4,215. Labor runs $44.98/hr locally — 41% above the national average. Free breakdown with material + labor split.

Renton, WA Market

+41% vs national

Labor Rate

$44.98/hr

Material Index

123

Avg Permit Cost

$1,646

Median Home Price

$560,000

Renton 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 41% above the national average, Renton is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. With a median home price of $560,000, this radon mitigation system represents just 0.4% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.

Low Estimate

$1,124

National: $800

Mid-Range

$2,108

National: $1,500

High End

$4,215

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 Renton

Adjusted for Renton's labor rate ($44.98/hr) and material costs (index 123).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

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

Estimated Total in Renton

$2,024

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

Local Cost Breakdown

Labor (65%)$1,370

At Renton's average rate of $44.98/hr (50% above national avg)

Materials (35%)$738

Material cost index 123 (23% above national baseline of 100)

Radon Mitigation System vs. Home Value in Renton

Metric	Renton	National Avg
Radon Mitigation System (Mid-Range)	$2,108	$1,500
Median Home Price	$560,000	$350,000
Project as % of Home Value	0.4%	0.4%
Estimated ROI	35%	35%
Median Household Income	$68,000	$75,000

What Affects the Price in Renton

1Local labor rates ($44.98/hr in Renton)
2Material cost index (123 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 Renton, WA

Whole House Generator Installation

$20,268

HardROI 55%

HVAC System Replacement

$16,053

HardROI 50%

Whole House Plumbing Repiping

$14,051

HardROI 45%

Spray Foam Insulation

$11,025

HardROI 60%

Second Story Addition

$272,933

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$204,700

HardROI 80%

Room Addition

$122,820

HardROI 55%

Home Addition

$108,096

MediumROI 60%

Radon Mitigation System in Other Washington Cities

Seattle, WA

$2,347

+11%Pop. 737,015

Spokane, WA

$2,117

SamePop. 228,989

Tacoma, WA

$1,826

-13%Pop. 219,346

Vancouver, WA

$2,007

-5%Pop. 190,915

Bellevue, WA

$2,305

+9%Pop. 151,854

Kent, WA

$1,818

-14%Pop. 136,588

Everett, WA

$2,008

-5%Pop. 110,629

Spokane Valley, WA

$2,109

SamePop. 103,597

Planning a Radon Mitigation System in Renton

A radon mitigation system typically doesn't require a permit in Renton, 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 Renton, skilled contractors charge an average of $44.98/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Renton household earning $68,000/year, this project at $2,108 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

Radon Mitigation System — National Guide

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

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