Independent and unbiased 2026 pricing data
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Portland, OR

Radon Mitigation Cost in Portland

Estimated radon mitigation cost in Portland

$925–$2,900

Roughly about 16% above the national average.

Wet climate and labor costs lift prices above average.

Estimate your cost

Based on Portland, OR pricing.

Estimated cost range

$925–$2,900

BudgetTypicalPremium

An estimate for planning, not a quote. Get written quotes from local pros below.

Estimate, not a quote. Local prices vary by contractor and project. These are 2026 estimates for Portland, OR. Get written quotes from licensed Portland contractors before you budget.

Quote too high? DIY your radon mitigation

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A contractor quote is mostly labor. If that estimate felt steep, here is the exact gear to tackle this job yourself. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.

First Alert RD1 Radon Gas Test Kit
First Alert First Alert RD1 Radon Gas Test Kit

$17.95

Charcoal test kit to confirm levels before and after mitigation.

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RadonAway RP145C Radon Mitigation Fan
RadonAway RadonAway RP145C Radon Mitigation Fan

$152.00

Industry-standard inline fan for a sub-slab depressurization system.

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Airthings Corentium Home Radon Detector
Airthings Airthings Corentium Home Radon Detector

$145.13

Battery digital monitor for ongoing pCi/L readings.

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Charlotte Pipe 4" Schedule 40 PVC Pipe, 2 ft
Charlotte Pipe Charlotte Pipe 4" Schedule 40 PVC Pipe, 2 ft

$21.98

Standard 4" PVC for the radon vent stack run.

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What to know about radon mitigation in Portland

Soil movement around Portland is usually modest, but local soil type still drives the right approach.

What affects radon mitigation cost in Portland

Beyond the local market, the same factors that drive radon mitigation cost everywhere apply in Portland:

  • System type and number of suction points.
  • Foundation type: slab, basement, or crawlspace.
  • Fan size and routing of the vent pipe.
  • Sealing of cracks and openings.

Radon Mitigation cost by system type in Portland

These figures are adjusted for Portland pricing (about 1.16x the national average), so they reflect what local homeowners actually pay.

Estimated radon mitigation cost by system type in Portland (2026)
System type Typical cost in Portland Notes
Sub-slab suction $925 to $2,900 The baseline.
Sump-pit system $1,000 to $3,200 installed
Crawlspace membrane $1,300 to $4,050 installed
Multiple suction points $1,400 to $4,350 installed

Radon Mitigation cost in Portland vs other metros

How a radon mitigation in Portland compares with nearby and similar-cost metros, using 2026 local estimates.

Metro Estimated radon mitigation cost vs national
Portland, OR $925–$2,900 about 16% above the national average
Providence, RI $925–$2,900 about 16% above the national average
Sacramento, CA $950–$2,950 about 18% above the national average
Riverside, CA $950–$2,950 about 18% above the national average
Hartford, CT $900–$2,850 about 14% above the national average
Tacoma, WA $950–$2,950 about 18% above the national average

Frequently asked questions

How much does radon mitigation cost in Portland?

In Portland, OR, radon mitigation typically costs $925 to $2,900 in 2026 for a standard project, about 16% above the national average. Your exact price depends on size, materials, and scope.

Why does radon mitigation cost more or less in Portland?

Wet climate and labor costs lift prices above average. Labor rates, permit costs, and local demand are the main reasons Portland prices differ from the national average.

Do I need a permit for radon mitigation in Portland?

Most radon mitigation projects require a permit. Requirements vary by city and Oregon jurisdiction, so confirm with your local building department. A licensed contractor usually pulls the permit for you.

When is the best time of year for radon mitigation in Portland?

In Portland, the mild climate means most projects can run year-round, with only the occasional rainy stretch to plan around.

Is radon mitigation cheaper outside Portland?

Sometimes. Portland runs about 16% above the national average. Nearby smaller towns with lower labor costs can come in cheaper, while denser urban areas often cost more. Always compare quotes from contractors who serve your specific area.

Radon Mitigation cost in other cities

See the national Radon Mitigation cost guide