How much does radon mitigation cost in Boise, ID?

Most Boise homeowners spend between $910 – $2,550 on radon mitigation, with an average around $1,700. Local labor prices 1% above the national average, so Boise quotes tend to land at the higher end of national ranges.

Why is radon mitigation more or less expensive in Boise than elsewhere?

Licensed trade labor in Boise runs about 101% of the national average, and the best crews book out fastest in spring and early summer. Idaho weather drives material choices here, so ask contractors what they install most often in Boise and why.

Do I need a permit for radon mitigation in Boise, Idaho?

Most Boise, ID projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not. Always confirm current requirements with the local building department before signing a contract, and make sure the permit is pulled by your licensed contractor.

How many quotes should I get in Boise?

Get at least three written quotes from licensed, insured Idaho contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Boise metro market.

How much does radon mitigation cost in 2026?

Most homeowners pay between $900 and $2,500, with a national average near $1,700. Small, simple jobs land at the low end; large or premium-material jobs run well above the high end.

What is the cost per system?

Installed pricing usually runs $900.00 to $2,500.00 per system, including labor and materials. Expensive metros can run 15–45% higher than that range.

What drives the price up the most?

Scope and access. Larger quantities lower your per-system price, but difficult access, demolition of existing work, structural repairs found mid-job, premium materials and rush scheduling each add 8–30%.

Permits are typically required when the work changes structure or ties into electrical, plumbing, gas or mechanical systems. Budget $75–$600 in most cities and confirm whether your contractor pulls it — unpermitted work can block a future home sale.

How long does the job take?

Most residential projects of this type finish in one to five working days once materials are on site. Custom orders, inspections and weather are the usual causes of delay.

How many quotes should I get?

Three. Bids on the same scope commonly vary 20–40%, and the middle bid with the strongest warranty and references is usually the best value — the cheapest bid often excludes prep, disposal or permits.

Home/Cost guides/Radon Mitigation/Boise, ID

Boise metro · Idaho

Radon Mitigation cost in Boise, ID

Boise homeowners typically pay $910 – $2,550 for radon mitigation. Local labor and materials price 1% above the national average.

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Boise average

$1,700

Typical low

$910

Typical high

$2,550

Per system

$910 – $2,550

Sample ZIP

What drives Boise pricing

Local labor

Licensed trade labor in Boise runs about 101% of the national average, and the best crews book out fastest in spring and early summer.

Permits & code

Most Boise, ID projects that change structure, electrical, plumbing or mechanical systems need a permit from the local building department; cosmetic work usually does not.

Climate & conditions

Idaho weather drives material choices here, so ask contractors what they install most often in Boise and why.

Instant cost calculator

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Number of suction points1 system

Quality / material level

Site access

Removal / prep work

Timing

Estimated project cost

$998 – $1,378

Most homeowners pay around $1,188

Compare quality / material level

Cost by material in Boise

Installed Boise pricing per system.

Option	Installed cost	Pros	Cons
Single-point sub-slab system	$1,050 – $1,450	—	—
Sub-slab with sealing	$1,450 – $1,900	—	—
Crawlspace membrane system	$1,900 – $2,500	—	—
Multi-point system with monitoring	$2,500 – $3,450	—	—

Where the money goes in Boise

A typical $1,700 Boise project, broken down by line item.

Labor0.45% · $8
Materials0.38% · $6
Permits & inspections0.05% · $1
Overhead & profit0.12% · $2

Common add-ons

Extras that show up on Boise quotes but rarely in the headline price.

Post-mitigation testing

$150 – $305

Crawlspace vapor barrier

$1,500 – $5,050

Sump pit sealing

$200 – $810

Continuous radon monitor

$150 – $405

Ways to save in Boise

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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More Boise research

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