Radon Mitigation Cost in Portland (2026): Average Price & Estimate

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.

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Foundation

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Based on Portland, OR pricing.

Estimated cost range

$925–$2,900

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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.

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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

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.