Radon Mitigation cost in Portland, OR
Portland homeowners typically pay $1,050 – $2,950 for radon mitigation. Local labor and materials price 18% above the national average.
Portland average
$2,000
Typical low
$1,050
Typical high
$2,950
Per system
$1,050 – $2,950
Sample ZIP
97201
What drives Portland pricing
Local labor
Portland labor prices well above the national average with tight scheduling in summer.
Permits & code
City permits and design review can add weeks to exterior projects.
Climate & conditions
Long wet season limits the exterior build window and demands rot-resistant materials.
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Estimated project cost
$1,188 – $1,615
Most homeowners pay around $1,401
Compare quality / material level
Cost by material in Portland
Installed Portland pricing per system.
| Option | Installed cost |
|---|---|
| Single-point sub-slab system | $1,250 – $1,700 |
| Sub-slab with sealing | $1,700 – $2,250 |
| Crawlspace membrane system | $2,250 – $2,900 |
| Multi-point system with monitoring | $2,900 – $4,000 |
Where the money goes in Portland
A typical $2,000 Portland project, broken down by line item.
- Labor0.45% · $9
- Materials0.38% · $8
- Permits & inspections0.05% · $1
- Overhead & profit0.12% · $2
Common add-ons
Extras that show up on Portland quotes but rarely in the headline price.
Post-mitigation testing
Crawlspace vapor barrier
Sump pit sealing
Continuous radon monitor
Ways to save in Portland
- Test first with a $20 kit before commissioning a system.
- Route the pipe on the least visible elevation to skip cosmetic upgrades.
- Collect three written bids on an identical scope — spreads of 20–40% are normal.
- Book in the off-season and stay flexible on the start date to save 5–15%.
- Bundle nearby work into one mobilization so you only pay setup and travel once.
- Ask what the contractor would change to cut 10% without hurting durability.
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