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Radon Testing

Checkpoint Radon Testing is licensed and insured to provide comprehensive radon testing services in La Grange, IL, and Chicagoland.

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Professional Radon Testing for Homeowners, Home Inspectors, Realtors, and Real Estate Transactions

At Checkpoint Radon Testing, every radon test is performed with precision, integrity, and strict adherence to industry best practices. We follow ANSI/AARST protocols, EPA & CDC guidelines, NRPP standards, and Illinois state regulations to deliver results you can trust. As an NRPP-trained and Illinois-licensed inspector, owner Jim Klun combines professional expertise with advanced continuous radon monitoring technology to provide fast, accurate, and reliable testing. Our testing-only approach ensures that clients receive objective data and clear guidance without any pressure to purchase mitigation services. This commitment allows homeowners, home inspectors, and real estate professionals to make informed decisions with confidence.

Radon testing services for homes and businesses in La Grange and the greater Chicago area
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Residential Radon Testing

  • 48-Hour Continuous Monitoring: Hourly readings for precise trends rather than a single average.
  • Report Availability: As Soon as 2 Hours After Pickup during office hours (M-F 6am-5pm, Sat 9am-1pm).
  • Environmental Validation: Temperature, humidity, and pressure logs confirm proper test conditions.
  • Clear Results: Understandable graphs, plain-language summaries, and EPA comparisons (2.0–3.9 pCi/L consider mitigation; 4.0+ pCi/L recommend mitigation).

Ideal For: Homeowners (baseline or re-testing), buyers during inspection, sellers documenting conditions.

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    Radon Testing for Home Inspectors

    • Coordinated Scheduling: 48-Hour Turnaround aligned with inspection timelines.
    • Report Availability: As Soon as 2 Hours After Pickup during office hours (M-F 6am-5pm, Sat 9am-1pm).
    • Professional Reports: Including continuous monitoring data, environmental logs, and EPA-compliant documentation.
    • Volume Pricing: Options for inspection companies conducting multiple tests per month.

    Ideal For: Home inspection professionals needing certified radon testing for residential inspections, pre-purchase evaluations, and client property assessments.

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    Family in La Grange, IL home protected with professional radon testing services

    Our Step-by-Step Process

    1. Initial Consultation: Property details, weather/occupancy review, and closed-house confirmation.
    2. Pre-Test Walkthrough: Determine the lowest livable level; verify HVAC operation and closure period.
    3. Device Placement: CRM positioned 2–8 ft above floor, 20+ inches from exterior walls, 3+ ft from doors/windows/vents; photos & notes logged.
    4. Monitoring (48 Hours for Transactions): Hourly radon levels with environmental tracking and tamper detection.
    5. Retrieval & Analysis: On-site data download, validity review, and preliminary discussion.
    6. Report Delivery: Full written report with understandable charts & graphs within 24 hours.
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    Radon Testing for Realtors

    • Transaction-Friendly Scheduling: Fast Reporting to meet closing deadlines.
    • Report Availability: As Soon as 2 Hours After Pickup during office hours (M-F 6am-5pm, Sat 9am-1pm).
    • Clear Documentation: Suitable for listings, disclosures, and buyer negotiations.
    • Expert Consultation: We help clients understand results and mitigation options.

    Ideal For: Real estate agents and brokers facilitating property transactions, managing due diligence periods, and ensuring smooth closings.

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    Real Estate Transaction Radon Testing

    • Fast Scheduling: 24-Hour Reporting aligned to contract timelines.
    • Report Availability: As Soon as 2 Hours After Pickup during office hours (M-F 6am-5pm, Sat 9am-1pm).
    • Coordination: We coordinate with agents, attorneys, buyers, and sellers.
    • Professional Documentation: Suitable for negotiations and disclosures.

    Ideal For: Buyers and sellers who need fast, reliable testing during the inspection period, as well as realtors managing smooth transactions.

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    Equipment & Standards

    • NRPP-approved continuous radon monitors (digitally calibrated, sealed, and programmed before deployment)
    • Annual calibration at NRPP-approved facilities
    • Adherence to ANSI/AARST MAH-2023, Illinois Admin Code 422, NRPP SOP, and EPA guidance
    Common Questions
    Family in La Grange, IL home protected with professional radon testing services

    Why Continuous Monitors over Charcoal Kits?

    • Immediate Results—no lab delays

    • Hourly Trend Data—see fluctuations and patterns

    • Built-In QA—tamper detection and environment logs

    • Fewer Variables—no shipping or handling risks

    Contact Us

    Checkpoint Radon Testing provides licensed, certified, and professional radon testing in the following areas throughout Illinois:

    La Grange, Naperville, Orland Park, Hinsdale, Western Springs, La Grange Highlands, La Grange Park, Brookfield, Riverside, Oak Brook, Oak Brook Terrace, Clarendon Hills, Downers Grove, Westmont, Darien, Burr Ridge, Palos Hills, Tinley Park, Indian Head Park, Lisle, and Lombard

    Have more questions?
    Feel free to call, email, or reach out through the contact form with questions, or to schedule a radon test. We look forward to getting the opportunity to work with you.

    Phone: (708) 567-3512
    Email: jim@checkpointradon.com