Radon Inspections

Radon Inspections for Greater St. Louis

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Radon Inspections

Radon is a naturally occurring radioactive gas.  When elevated, it becomes the second leading cause of lung cancer.  It is a tasteless and odorless gas derived from the radioactive decay of radium.

What To Expect

  • Testing during a real estate transaction requires a short-term radon test.
  • A continuous radon monitor (CRM) is placed in the lowest possible living area of the home.
  • The testing period is a minimum of 48 hours.
  • Results will indicate an EPA level that is either safe or elevated
  • Homes where the lowest living area exceeds 2,000 square feet, a second monitor will be used.

Mitigation and/or retesting will be recommended for elevated levels. PVC piping and an inline fan are installed to keep radon levels at a safe level, below 4.0 pCi/L.

What Will It Cost?

Radon Inspection fees vary based on the size of the lowest level. Prices may be subject to change based on unforeseen variables.

Prices range from $160 – $260

Please contact our office for a detailed list of all items included in your home inspection.

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  • Avatar Anthony Klos ★★★★★ in the last week
    I absolutely loved working with them. They were extremely professional and did their best to make sure I understood everything that was covered and even offered their advice and opinions. I would 100% work with them again.
  • Avatar Pam Taylor ★★★★★ 2 weeks ago
    I had Eric Wulff do my inspection. He was actually recommended from a friend of a friend. He was very thorough and patient with all my questions. He checked everything. He made sure I understood what he was talking about. He also suggested … More I get a few thing checked out by a professional in that field. I would differently use them again and refer them to others.
  • Avatar Karl “Trucky” Stevens ★★★★★ 2 weeks ago
    Our inspector Steve Armstrong was fantastic! He was open and honest. He went above and beyond, he found things I never would have thought about. People buying a house with no inspections are off their rocker. Call Castle Home inspections!! … More
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    Very professional and attended to any questions and concerns. Very good and quick work. Was right on time as well. Very thorough and we had a great experience with them! Jack is great!
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    Jack was extremely thorough and took the time to answer every question we had. It was obvious that he’s very knowledgeable and has a ton of experience. We definitely recommend him!
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    Jack was great. Inspections seemed very thorough. He spent close to an hour going over every detail of the report with me and answered every question I had.

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