1,062+
Verified professionals

Search 1,062 NRPP & NRSB-certified contractors across 50 states.
Verified Professionals
100% Free to Use
NRPP/NRSB Certified
1,062+
Verified professionals
50
States covered
4.8★
Average Google rating
129,445+
Verified reviews
Enter your city or ZIP to find certified professionals in your area.
Review credentials, services, and ratings to narrow your shortlist.
Call or visit contractor profiles directly to request estimates.
4.9 (4898 Google reviews)
5.0 (4738 Google reviews)
4.9 (4095 Google reviews)
Colorado
164 contractors
Wisconsin
84 contractors
Virginia
70 contractors
Indiana
65 contractors
Pennsylvania
64 contractors
Connecticut
61 contractors
Ohio
60 contractors
New York
57 contractors
Illinois
54 contractors
Texas
52 contractors
California
50 contractors
Oregon
45 contractors
Massachusetts
43 contractors
Missouri
33 contractors
North Carolina
33 contractors
Maryland
32 contractors
Minnesota
32 contractors
Kentucky
31 contractors
Washington
31 contractors
Michigan
30 contractors
Mar 4, 2026 • 6 min read
Radon mitigation costs $800-$2,500 for most homes. We break down pricing by system type, foundation, and home size. Get free quotes from certified pros near you.
Read articleMar 4, 2026 • 5 min read
SSD for basements, sub-membrane for crawlspaces. We compare the two most common radon mitigation methods side by side. Find certified pros near you.
Read articleMar 4, 2026 • 5 min read
Got a radon test above 4.0 pCi/L? Don't panic. Here's exactly what to do next -- confirm the result, find a certified contractor, and set realistic expectations.
Read article