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RadonProsCertified Directory
Aerial neighborhood view in Montana

Radon Pros in Montana

18 contractors

EPA zone context: Montana includes extensive Zone 1 coverage, especially in mountain valleys and many western counties.

CR

Certified Radon Services

5.0 (7 Google reviews)

Certified Professional

Licensed Provider: Rick Shaver

Mitigation SpecialistBillings, MT
MitigationTestingCommercialDiagnosticPost-Test
Certified RMS/RMP

Certified Radon Services is a dedicated radon services company serving Billings, MT. Established in 2003. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with slab foundations. Methods include sub-membrane depressurization, heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 7 reviews.

TI

TRUER INSPECTIONS

5.0 (2 Google reviews)

Certified Professional

Licensed Provider: Mark A Gilbertson

Full ServiceBozeman, MT
MitigationTestingCommercial
Certified RMP

TRUER INSPECTIONS is a dedicated radon services company serving Bozeman, MT. Services include radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Measurement Professional certification. Rated 5.0/5 on Google based on 2 reviews.

AR

Advanced Radon Mitigation & Contracting Specialists, LLC

Certified Professional

Licensed Provider: Joel B Beaudette

Full ServiceCorvallis, MT
MitigationTesting
Certified RMS/RMP

Advanced Radon Mitigation & Contracting Specialists, LLC is a dedicated radon services company serving Corvallis, MT. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with slab foundations. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications.

MM

Martin's Maintenance, LLC

Certified Professional

Licensed Provider: Roger Martin

Full ServiceGreat Falls, MT
MitigationTestingCommercial
Certified RMS/RMPLicensed & InsuredFree Estimates

Martin's Maintenance, LLC is a dedicated radon services company serving Great Falls, MT. Over 20 years of experience. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Offers free estimates, licensed and insured.

SH

Safe Home Environmental, LLC

5.0 (36 Google reviews)

Certified Professional

Licensed Provider: Jennifer L Thorne

Full ServiceLolo, MT
MitigationTestingCrawlspaceCommercialPost-Test
Certified RMS/RMP

Safe Home Environmental, LLC is a contractor offering radon-related services serving Lolo, MT. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Rated 5.0/5 on Google based on 36 reviews. Offers real estate transaction testing.

PA

Pure Air Solutions

Certified Professional

Licensed Provider: John Sullivan

Full ServiceMissoula, MT
MitigationTestingCrawlspace
Certified RMS/RMP1-Year WarrantyFree Estimates

Pure Air Solutions is a contractor offering radon-related services serving Missoula, MT. Services include radon mitigation system installation, mitigation system design, radon testing, radon measurement. Works with basements, crawlspaces. Methods include heat recovery ventilation. Holds Certified Radon Mitigation Specialist and Certified Radon Measurement Professional certifications. Offers free estimates. Provides a 1-year warranty on mitigation systems.

Data provided by Google Maps

State Info

Radon levels vary house-to-house even in the same city. Testing your own home is the only reliable way to know your risk.

Popular Cities for Radon Mitigation in Montana

FAQ: Radon Mitigation in Montana

Is radon risk higher in western Montana?

Many western counties are mapped Zone 1, so testing is strongly recommended in those markets.

Do ranch-style homes need mitigation planning?

Yes. Slab and basement ranch homes both need entry-point assessment when tests are elevated.

How much does radon mitigation cost in Montana?

Most homeowners in Montana see mitigation quotes in the low-thousands, but the final cost depends on foundation type, fan location, and pipe routing complexity. A cost calculator can help you benchmark estimates before requesting bids.

Do I need radon testing in Montana before hiring a contractor?

Yes. A valid short-term or long-term test is the fastest way to confirm if mitigation is needed and to scope the right system design.

What radon level is dangerous in Montana?

EPA recommends action at 4.0 pCi/L, and many homeowners choose to reduce levels even below that threshold. Montana includes extensive Zone 1 coverage, especially in mountain valleys and many western counties. ZIP-level lookup tools are useful for local context, but home testing is still required.

How do I choose a certified radon contractor in Montana?

Look for current NRPP or NRSB credentials, ask for post-mitigation test expectations, and confirm local compliance details. Montana does not mandate separate state mitigation licensing; NRPP/NRSB credentials are commonly used for qualification.

State Resources for Montana