#1
Adam Bartczak
Denver, CO
Google rating: 4.9 (558 reviews)
Reviews: 558
Certifications: 1
Certifications
NRPP Measurement Professional
Services
TestingNew ConstructionCommercialPost-Mitigation Testing
Best Radon Contractors in Denver, Colorado (2026)
Ranked using real Google ratings, review counts, and certification data only.
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#2
Bryan Coy
Denver, CO
Google rating: 4.9 (289 reviews)
Reviews: 289
Certifications: 1
Certifications
NRPP Mitigation Specialist
Services
MitigationTestingsump pump
#3
Brian McGinn
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 2
Certifications
NRSB CertifiedNRSB:RMS:24MS091
Services
Testing
#4
Brian P Ross
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 2
Certifications
NRPP Mitigation SpecialistNRPP Measurement Professional
Services
MitigationTestingCommercial
#5
Kimberley A. Waldron
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 2
Certifications
NRPP Mitigation SpecialistNRPP Measurement Professional
Services
MitigationTestingCommercial
#6
David C Geisen
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRPP Measurement Professional
Services
TestingCrawlspaceNew ConstructionCommercial
#7
David Krajicek
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRPP Measurement Professional
Services
TestingCommercial
#8
Patrick D Isom
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRPP Mitigation Specialist
Services
MitigationTesting
#9
Ruben Rojo
Denver, CO
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
NRPP Measurement Professional
Services
TestingCommercial
How We Rank
- Google rating: higher average ratings rank higher.
- Review count: more reviews break ties between similar ratings.
- Certification count: more certifications break ties after rating and review metrics.
- Verified data only: rankings are based on stored profile data, not manual edits or paid placement.
FAQ
Who is the best radon contractor in Denver?
Adam Bartczak is currently ranked #1 in Denver based on Google rating, review volume, and certification count from our verified data sources.
How many radon contractors are in Denver?
We currently list 9 radon contractors in Denver, Colorado.
What should I look for?
Focus on strong ratings with meaningful review volume, current professional certifications, and clear service coverage for your home type.