#1
AmeriSpec Inspection Services Grand Junction
Grand Junction, CO
Google rating: 4.5 (26 reviews)
Reviews: 26
Certifications: 1
Certifications
NRPP Measurement Professional
Services
Testing
Best Radon Contractors in Grand Junction, Colorado (2026)
Ranked using real Google ratings, review counts, and certification data only.
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#2
GOOD FRIEND INSPECTIONS
Grand Junction, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRSB Mitigation Specialist
Services
radon mitigationMitigation
#3
Environmental Engineering Consultants, Inc.
Grand Junction, CO
Google rating: 4.8 (36 reviews)
Reviews: 36
Certifications: 1
Certifications
NRPP Mitigation Specialist
Services
Mitigation
#4
Stanton Radon
Grand Junction, CO
Google rating: 4.5 (4 reviews)
Reviews: 4
Certifications: 1
Certifications
NRPP Measurement Professional
Services
Testing
#5
Igneous Inspections
Grand Junction, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRSB Mitigation Specialist
Services
radon mitigationMitigation
#6
Joshua K Moore
Grand Junction, CO
Google rating: 4.9 (149 reviews)
Reviews: 149
Certifications: 2
Certifications
NRPP Mitigation SpecialistNRPP Measurement Professional
Services
MitigationTestingCrawlspaceCommercial
#7
Stephen Gustav Geuder
Grand Junction, CO
Google rating: 4.5 (4 reviews)
Reviews: 4
Certifications: 2
Certifications
NRPP Measurement ProfessionalNRPP Mitigation Specialist
Services
MitigationTestingCrawlspaceCommercialvapor barrier
#8
James E. Benson
Grand Junction, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRSB Mitigation Specialist
Services
MitigationTestingCommercial
#9
GCW HOME INSPECTIONS
Grand Junction, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRSB Mitigation Specialist
Services
radon mitigationMitigation
#10
JANE OF ALL TRADES ENT LLC
Grand Junction, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRSB Mitigation Specialist
Services
radon mitigationMitigation
How We Rank Contractors in Grand Junction
Our ranking methodology is transparent and data-driven. Sponsored placements are clearly labeled and appear separately — they do not influence organic ranking position.
- Google rating — Higher average ratings rank higher. This reflects real customer satisfaction across verified Google Business profiles.
- Review volume — More reviews break ties between similar ratings. A 4.8 with 50 reviews outranks a 4.8 with 3 reviews because the signal is more reliable.
- Certification count — NRPP and NRSB certifications break remaining ties. More certifications indicate broader competency across mitigation, measurement, and specialized techniques.
- Data integrity — All ranking data comes from verified sources: Google Business API, NRPP/NRSB certification databases, and contractor websites. Template-generated or unverifiable data is excluded.
Read our full methodology for details on data sourcing, verification, and quality thresholds.
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FAQ
Who is the best radon contractor in Grand Junction?
AmeriSpec Inspection Services Grand Junction is currently ranked #1 in Grand Junction based on Google rating, review volume, and certification count from our verified data sources.
How many radon contractors are in Grand Junction?
We currently list 10 radon contractors in Grand Junction, Colorado. 10 hold NRPP or NRSB certifications and 5 have Google reviews.
What should I look for when choosing a radon contractor?
Focus on strong ratings with meaningful review volume, current professional certifications (NRPP or NRSB), and clear service coverage for your home type. A good contractor will assess your specific foundation and provide a written scope that includes suction point count, pipe routing, fan specification, and post-mitigation testing.
How are these Grand Junction contractors ranked?
We rank contractors using a transparent, data-only methodology: Google rating first, review count second, and certification count third. Sponsored placements appear in a separate, clearly labeled section and do not influence organic ranking position. All ranking data comes from verified sources including Google Business profiles and national certification databases.
Should I get multiple quotes in Grand Junction?
Yes. With 10 contractors in Grand Junction, getting at least two written quotes is practical and recommended. Compare the number of suction points, fan model, pipe routing plan, warranty length, and whether post-mitigation testing is included. Price alone is not a reliable differentiator — system design matters more for long-term radon reduction.