Radon Contractors in Madison, WI

8 radon mitigation and testing specialists serving Madison and the surrounding area — residential and commercial properties.

EPA action level: 4 pCi/L · NRPP/NRSB certified professionals · Residential & commercial radon services

Step 1: Test Your Home

Radon Test Kits — From $15 on Amazon

The EPA recommends testing every home below the third floor. Short-term charcoal test kits deliver results in 2–7 days.

MasterOfDirectories earns a small commission on qualifying Amazon purchases at no extra cost to you.

Shop Radon Test Kits →

Advanced Health & Safety LLC

5940 Seminole Centre Ct #225a, Madison, WI 53711, USA

5.0(263 reviews)

(608) 243-8466

PureTech Home Services

W10919 Helleckson Rd, Poynette, WI 53955, USA

5.0(31 reviews)

(608) 292-4221

Radon Solutions LLC

33478 Co Hwy X, Stanley, WI 54768, USA

5.0(5 reviews)

(715) 644-8352

Indoor Environmental Testing, Inc.

2001 W Broadway Ste 1, Monona, WI 53713, USA

4.9(27 reviews)

(608) 241-9883

Zander Solutions

421 S Nine Mound Rd, Verona, WI 53593, USA

4.6(138 reviews)

(833) 928-1429

Superior Radon Mitigation LLC

6666 Odana Rd, Madison, WI 53719, USA

4.4(7 reviews)

(608) 312-3344

North Central Radon Mitigation- Madison

2302 University Ave #223, Madison, WI 53726, USA

4.0(4 reviews)

(608) 531-8281

Madison Radon Mitigation System Solutions

2942 Cimarron Trail, Madison, WI 53719, USA

(608) 208-6891

Commercial Radon Services in Madison, WI

Radon is not just a residential concern. Office buildings, schools, warehouses, retail centers, and multi-family complexes in Madison are all subject to radon intrusion through concrete slabs, block foundations, and crawl spaces. Commercial radon mitigation in Madisonfollows EPA large-building protocols, requires certified measurement professionals, and involves mitigation systems scaled to the property's square footage and occupancy type.

Commercial Testing

Multi-point alpha track or continuous electronic monitor deployment across all occupied zones per EPA large-building protocol. Required for OSHA compliance and real estate due diligence in Madison.

Commercial Mitigation

Sub-slab depressurization systems, crawl space encapsulation, and HVAC-integrated ventilation upgrades sized for commercial square footage. Madison contractors handle buildings from small suites to large industrial properties.

Monitoring & Certification

Post-mitigation verification, ongoing radon monitoring systems, and certification documentation for property managers, lenders, and insurers in Madison and the surrounding WI region.

Commercial Radon FAQ — Madison

What is commercial radon mitigation in Madison?
Commercial radon mitigation in Madison involves installing sub-slab depressurization systems, crawl space encapsulation, and ventilation upgrades in office buildings, warehouses, schools, retail spaces, and multi-family units. Commercial systems are scaled to the building's square footage and HVAC layout — they differ significantly from residential systems in design, permitting, and ongoing monitoring requirements.
How is commercial radon testing different from residential testing?
Commercial radon testing in Madison, WI typically follows EPA protocols for large buildings (EPA 402-K-93-001), which require multiple test devices per floor and longer measurement periods than home tests. Certified radon measurement professionals deploy long-term alpha track detectors or continuous electronic monitors across all occupied and sub-occupied zones.
Which Madison radon contractors handle commercial buildings?
Several radon contractors serving Madison hold NRPP or NRSB commercial certifications for large-structure mitigation and testing. Contact the specialists listed on this page to confirm commercial service availability, as some firms specialize exclusively in residential properties.
What radon level triggers mitigation in a commercial building?
OSHA and the EPA both recommend action at or above 4 pCi/L for occupied commercial and industrial spaces. Many Madison property managers choose to mitigate at 2–3 pCi/L to stay well below regulatory thresholds and reduce liability exposure. Schools and healthcare facilities often target sub-2 pCi/L levels.
How much does commercial radon mitigation cost in Madison?
Commercial radon mitigation systems in Madison typically range from $1,500 for small retail suites to $25,000+ for large industrial or multi-story buildings. Cost depends on slab area, number of sub-slab suction points, existing HVAC infrastructure, and post-mitigation verification testing. Request quotes from multiple licensed contractors listed on this page.

Need commercial radon mitigation or testing in Madison? Contact the certified specialists listed above. Confirm commercial availability when scheduling — some contractors serve residential clients only.