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 Callum Sears ★★★★★ in the last week
    Steve did a great job on our home inspection. He was very knowledgable and communicated his findings in a very clear and helpful manner. We were very pleased – thank you Steve!
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    Stephanie did a wonderful job explaining the different types of inspections they offer. She was patient while answering all of my questions and in setting up an appointment. Jack was thorough, knowledgeable, and professional during the … More inspection process. I highly recommend Castle Home Inspections!
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    Was on time and very thorough. Went over everything with me and explained everything in detail. Would highly recommend them.
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    Eric was thorough, knowledgeable and friendly. Castle provides a superb service. I love that they offer warranties and recall services. AAA company.
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    Jack was amazing! Helped us out on a Saturday morning for a house we wanted to write a contract to purchase. My husband met him at the address (on time) and Jack was already on the roof conducting the inspection. Jack didn’t miss a … More thing and we had the report that afternoon. I highly recommend Castle Home Inspections.
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    Excellent service. Took the time to answer all questions thoroughly and explain each step. Gave us honest feedback and a realistic picture of the state of the home. Would recommend!

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