MT
Marc Tarkowski, CPI
VerifiedTesting Specialist•Oconomowoc, WI
5.0 (109 Google reviews)
Testing
NRPP Certified RMP
Radon Pros in Wisconsin
84 contractorsEPA zone context: Most of Wisconsin is Zone 1, especially the southern and western regions. Milwaukee and Madison metros are high-risk areas.
ZJ
Zakkary J Zander
VerifiedFull Service•Odanah, WI
MitigationTestingNew ConstructionCommercial
NRPP Certified RMP
Operating out of Odanah, Wisconsin, this dedicated radon contractor offers radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Certified as NRPP Radon Measurement Professional by NRPP. Uses passive radon systems.
MW
Mike Weidman
VerifiedFull Service•Park Falls, WI
MitigationTestingNew ConstructionCommercial
NRPP Certified RMS/RMP
This Park Falls, Wisconsin-based dedicated radon contractor specializes in radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. NRPP certified: NRPP Radon Mitigation Specialist and NRPP Radon Measurement Professional. Uses passive radon systems.
CJ
Cody J Zimmerman
VerifiedFull Service•Randolph, WI
MitigationTestingCommercialWater Treatment
NRPP Certified RMS
JB
Jerod Blomberg
VerifiedRib Lake, WI
TestingMeasurement
NRPP Certified RMP
RR
Ryan R Stewart
VerifiedFull Service•Roberts, WI
MitigationTesting
NRPP Certified RMS
DR
Daniel Raddant
VerifiedFull Service•Shawano, WI
MitigationTestingNew ConstructionCommercial
NRPP Certified RMP
This Shawano, Wisconsin-based dedicated radon contractor specializes in radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. NRPP certified: NRPP Radon Measurement Professional. Uses passive radon systems.
ED
Erika Dahlem
VerifiedFull Service•Sheboygan, WI
MitigationTestingNew ConstructionCommercial
NRPP Certified RMP
CB
Chandler Bernklau
VerifiedFull Service•Stanley, WI
MitigationTestingCrawlspaceVapor BarrierDiagnostic
NRPP Certified RMS
Operating out of Stanley, Wisconsin, this contractor offers radon mitigation, radon testing, crawlspace radon solutions, vapor barrier installation. Carries NRPP Radon Mitigation Specialist certification from NRPP. Handles basement, slab-on-grade, crawlspace foundations, and uses sub-slab depressurization.
RS
Full Service•Stanley, WI
5.0 (3 Google reviews)
MitigationTestingCrawlspaceVapor BarrierDiagnostic
A dedicated radon contractor serving Stanley, Wisconsin, offering radon mitigation, radon testing, crawlspace radon solutions, vapor barrier installation. Handles basement, slab-on-grade, crawlspace foundations, and uses sub-slab depressurization.
MG
Mike Gryszkiewicz
VerifiedFull Service•Sussex, WI
5.0 (2 Google reviews)
MitigationTestingNew ConstructionCommercial
NRPP Certified RMS
Operating out of Sussex, Wisconsin, this dedicated radon contractor offers radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Carries NRPP Radon Mitigation Specialist certification from NRPP. Uses passive radon systems.
JW
James W. Schaller
VerifiedFull Service•Viroqua, WI
4.9 (15 Google reviews)
MitigationTesting
NRPP Certified RMS/RMP
DW
David W. Cook
VerifiedFull Service•Walworth, WI
MitigationTestingNew ConstructionCommercial
NRPP Certified RMS
Operating out of Walworth, Wisconsin, this dedicated radon contractor offers radon mitigation, radon testing, radon-resistant new construction (RRNC), commercial radon services. Carries NRPP Radon Mitigation Specialist certification from NRPP. Uses passive radon systems.
CC
Cameron Christenson
VerifiedFull Service•Watertown, WI
MitigationTestingCommercial
NRPP Certified RMSFree Estimates
Based in Watertown, Wisconsin, this contractor provides radon mitigation, radon testing, commercial radon services. Carries NRPP Radon Mitigation Specialist certification from NRPP. Handles basement foundations.
LJ
Lorn J Mueller
VerifiedWatertown, WI
Commercial
NRPP Certified RMSLicensed & Insured
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 in Wisconsin
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What buyers and sellers should expect during testing, mitigation, and closing.
Radon System Maintenance
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