#1
PA-3003
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
Ranked using real Google ratings, review counts, and certification data only.
#1
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#2
Unknown, PA
Google rating: 5.0 (1 reviews)
Reviews: 1
Certifications: 1
Certifications
Services
#3
Unknown, PA
Google rating: 5.0 (13 reviews)
Reviews: 13
Certifications: 1
Certifications
Services
#4
Unknown, PA
Google rating: 5.0 (130 reviews)
Reviews: 130
Certifications: 1
Certifications
Services
#5
Unknown, PA
Google rating: 3.5 (27 reviews)
Reviews: 27
Certifications: 1
Certifications
Services
#6
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#7
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#8
Unknown, PA
Google rating: 4.4 (11 reviews)
Reviews: 11
Certifications: 1
Certifications
Services
#9
Unknown, PA
Google rating: 3.5 (27 reviews)
Reviews: 27
Certifications: 1
Certifications
Services
#10
Unknown, PA
Google rating: 4.4 (11 reviews)
Reviews: 11
Certifications: 1
Certifications
Services
#11
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#12
Unknown, PA
Google rating: 5.0 (130 reviews)
Reviews: 130
Certifications: 1
Certifications
Services
#13
Unknown, PA
Google rating: 4.7 (53 reviews)
Reviews: 53
Certifications: 1
Certifications
Services
#14
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#15
Unknown, PA
Google rating: 5.0 (105 reviews)
Reviews: 105
Certifications: 1
Certifications
Services
#16
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#17
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#18
Unknown, PA
Google rating: 5.0 (36 reviews)
Reviews: 36
Certifications: 1
Certifications
Services
#19
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#20
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#21
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#22
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#23
Unknown, PA
Google rating: 4.8 (269 reviews)
Reviews: 269
Certifications: 1
Certifications
Services
#24
Unknown, PA
Google rating: 4.9 (20 reviews)
Reviews: 20
Certifications: 1
Certifications
Services
#25
Unknown, PA
Google rating: 5.0 (36 reviews)
Reviews: 36
Certifications: 1
Certifications
Services
#26
Unknown, PA
Google rating: 5.0 (2 reviews)
Reviews: 2
Certifications: 1
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Services
#27
Unknown, PA
Google rating: 5.0 (181 reviews)
Reviews: 181
Certifications: 1
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Services
#28
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
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Services
#29
Unknown, PA
Google rating: 4.9 (233 reviews)
Reviews: 233
Certifications: 1
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Services
#30
Unknown, PA
Google rating: No Google rating available
Reviews: 0
Certifications: 1
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Services
#31
Unknown, PA
Google rating: 5.0 (5 reviews)
Reviews: 5
Certifications: 1
Certifications
Services
#32
Unknown, PA
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
Services
#33
Unknown, PA
Google rating: No Google rating available
Reviews: 0
Certifications: 1
Certifications
Services
Our ranking methodology is transparent and data-driven. Sponsored placements are clearly labeled and appear separately — they do not influence organic ranking position.
Read our full methodology for details on data sourcing, verification, and quality thresholds.
PA-3003 is currently ranked #1 in Unknown based on Google rating, review volume, and certification count from our verified data sources.
We currently list 33 radon contractors in Unknown, Pennsylvania. 33 hold NRPP or NRSB certifications and 30 have Google reviews.
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.
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.
Yes. With 33 contractors in Unknown, 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.