Reliable Environmental Testing & Air Quality SolutionsThe Proper Environmental way is accurate, prompt, and professional

Schedule A Free Estimate

Our Services

Trusted Radon Testing & Mitigation Contractor in Greater St. Louis

certified NRD

Protect Your Home With Quality Radon Mitigation in Saint Louis, Saint Charles & Nearby

As a homeowner, there are many things to consider when it comes to ensuring your home is safe and comfortable. At the top of the list? Checking your Saint Louis home for radon, a colorless, tasteless, and odorless gas. As one of the leading causes of lung cancer in the United States, exposure to radon poses significant health risks. Unfortunately, detecting this invisible gas is nearly impossible without the help of professional radon testing. Proper Environmental's experts can help!

We are the Greater St. Louis area's local go-to for radon testing, radon mitigation, and indoor air quality solutions. Our highly-trained team can identify radon issues with fast, accurate testing and offer industry-leading solutions to quickly reduce home radon levels.

Our Saint Louis Radon & Indoor Air Quality Services:

  • Indoor Air Quality Filters
  • Radon Inspections
  • Radon Mitigation
  • Radon Testing
  • Dehumidification Systems
  • HUD Multi-Family Radon Testing
  • HUD Multi-Family Radon Mitigation
  • ERV Systems
  • Vapor Intrusion Mitigation
  • And more!

When it comes to keeping your family safe with clean and healthy indoor air, Proper Environmental has you covered. Our radon testing, radon mitigation, and indoor air quality services offer peace of mind with year-round protection. Contact us today to learn more about our radon services or to schedule a free estimate in Saint Charles, Saint Louis, O'Fallon, and the surrounding area.

Why Greater St. Louis Homeowners Choose Us

Family-Owned & Operated Radon Mitigation Company

High-Quality Service & Quick Turnaround Times

Accurate Results & Comprehensive Reporting

We Offer Free Estimates!!

Professional Mold & Environmental Testing Throughout Greater St. Louis

There's no doubt home radon is dangerous. However, other environmental pollutants, such as mold, can cause health problems and impact your home's comfort, livability, and value. Mold spores can get into the air and, when breathed in, may lead to health problems like allergies, asthma, and other respiratory issues. If you've seen or smelled signs of mold in your home, don't wait to take action.

Proper Environmental offers a black tie solution for all your environmentlal testing needs. Our professional mold testing services will help you identify any mold problems you may have. With fast, accurate results and comprehensive reporting, you can feel confident that you have the information you need to eliminate mold from your property. In addition to mold testing, we offer a range of commercial and residential environmental testing to identify and reduce indoor air pollutants and water contaminants.

Our Environmental Testing Services in Greater St. Louis:

  • Mold Testing
  • Water Testing
  • Allergen Testing
  • Asbestos Testing

Schedule a Free Estimate in O'Fallon, Saint Louis & Nearby Today!

If you have concerns about radon, mold growth, indoor air pollutants, or water contamination at your Saint Louis home or business, Proper Environmental can help. Contact us today at 1-314-285-6240 or online to schedule a free 1-hour on-site consultation and estimate. We are proud to serve Saint Charles, Saint Louis, O'Fallon, Chesterfield, Florissant, Saint Peters, Ballwin, Maryland Heights, Imperial, Wentzville, and surrounding cities in Missouri.

our service area

We serve the following areas

  • Arnold
  • Ballwin
  • Barnhart
  • Blackwell
  • Bridgeton
  • Catawissa
  • Cedar Hill
  • Chesterfield
  • Cottleville
  • Crystal City
  • De Soto
  • Defiance
  • Dittmer
  • Earth City
  • Elsberry
  • Eureka
  • Fenton
  • Festus
  • Fletcher
  • Florissant
  • Foley
  • Hazelwood
  • Hematite
  • Herculaneum
  • High Ridge
  • Hillsboro
  • House Springs
  • Imperial
  • Kimmswick
  • Lake Saint Louis
  • Liguori
  • Mapaville
  • Maryland Heights
  • Morse Mill
  • O Fallon
  • Old Monroe
  • Pacific
  • Pevely
  • Portage Des Sioux
  • Saint Albans
  • Saint Ann
  • Saint Charles
  • Saint Louis
  • Saint Peters
  • Tiff
  • Valley Park
  • Wentzville
  • West Alton
  • Wildwood
  • Winfield
Our Locations:

Proper Environmental
11084 Gravois Industrial Ct
St. Louis, MO 63128
National Radon Defense
National Radon Proficiency Program
Professional Mold Inspection Institute
Southern Gateway Association of Realtors
St. Louis Apartment Association
Service Area
Free Quote