Radon Contractors in St Louis, MO
16 radon mitigation and testing specialists serving St Louis 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
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The EPA recommends testing every home below the third floor. Short-term charcoal test kits deliver results in 2–7 days.
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Radon Control Services
101 W Argonne Dr, Kirkwood, MO 63122, USA
(314) 616-0218
Air Sense Environmental- Radon Mitigation & Testing
5237 Old Alton Edwardsville Rd, Edwardsville, IL 62025, USA
(314) 664-9807
Buck Radon Inspection | Radon Testing
3210 S Big Bend Blvd, Maplewood, MO 63143, USA
(636) 225-0000
Radon Safety Squad
56 Lou Juan Dr, Glen Carbon, IL 62034, USA
(618) 667-2366
Radon Solutions
211 N Marquette St, Davenport, IA 52802, USA
(563) 386-8686
Spotlight Radon Testing
7728 Gissler Ave, Richmond Heights, MO 63117, USA
(314) 458-3811
St. John Environmental Consulting, LLC
5515 Grace Ave, St. Louis, MO 63116, USA
(314) 853-4668
American Environmental
3441 Morgan Ford Rd, St. Louis, MO 63116, USA
(314) 907-1561
AWA Environmental - Saint Louis Mold Inspectors
3361 Sublette Ave, St. Louis, MO 63139, USA
(314) 370-8947
Pillar To Post Home Inspectors - Alliance Team
11424 Gravois Rd, St. Louis, MO 63126, USA
(314) 645-7871
Mold Solutions
12154 Lackland Rd, St. Louis, MO 63146, USA
(314) 993-6653
Advanced Radon Mitigation LLC
13680 Michael Rd, Highland, IL 62249, USA
(618) 910-2034
Advanced Environmental Services Inc
3100 Gravois Ave, St. Louis, MO 63118, USA
(314) 865-2662
Abatement Specialists
8 Lakenny Ln #11, Fenton, MO 63026, USA
(314) 686-1487
Environmental Remediation Contractor
370 N Eureka Ave, Columbus, OH 43204, USA
(614) 769-6535
Less Radon
9648 Olive Blvd Suite #419, Olivette, MO 63132, USA
(314) 723-6789
Commercial Radon Services in St Louis, MO
Radon is not just a residential concern. Office buildings, schools, warehouses, retail centers, and multi-family complexes in St Louis are all subject to radon intrusion through concrete slabs, block foundations, and crawl spaces. Commercial radon mitigation in St Louisfollows EPA large-building protocols, requires certified measurement professionals, and involves mitigation systems scaled to the property's square footage and occupancy type.
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 St Louis.
Sub-slab depressurization systems, crawl space encapsulation, and HVAC-integrated ventilation upgrades sized for commercial square footage. St Louis contractors handle buildings from small suites to large industrial properties.
Post-mitigation verification, ongoing radon monitoring systems, and certification documentation for property managers, lenders, and insurers in St Louis and the surrounding MO region.
Commercial Radon FAQ — St Louis
What is commercial radon mitigation in St Louis?
How is commercial radon testing different from residential testing?
Which St Louis radon contractors handle commercial buildings?
What radon level triggers mitigation in a commercial building?
How much does commercial radon mitigation cost in St Louis?
Need commercial radon mitigation or testing in St Louis? Contact the certified specialists listed above. Confirm commercial availability when scheduling — some contractors serve residential clients only.