Ohio Landlord Radon Testing Rules: A Renter’s Guide

Radon is an invisible, odorless gas that can have serious health effects if it builds up indoors. As a renter in Ohio, you may wonder what your rights are when it comes to radon testing, and what your landlord’s responsibilities include. While Ohio does not have statewide requirements forcing landlords to test for radon, some local areas have special rules, and general housing safety laws may still offer you protection.
Understanding the current law can help keep your home safe and your rights protected.

What Is Radon and Why Does It Matter?

Radon occurs naturally and can enter buildings from the ground. Prolonged exposure to high levels increases the risk of lung cancer. The U.S. Environmental Protection Agency (EPA) recommends action if levels are at or above 4.0 picocuries per liter (pCi/L).

Ohio Laws and Standards for Radon Testing

Ohio does not have a statewide law requiring landlords to test rental properties for radon or to mitigate it if found. However, under the Ohio Landlord-Tenant Law, landlords must keep rentals in a "fit and habitable" condition. If radon is present at high levels, it could be argued that the home may not be safe.^[1]

Local Requirements

• Some cities or counties—like the City of Dublin—enforce their own radon rules. Always check your city or county’s health department for local testing requirements.
• If you live in federally assisted housing, sometimes radon testing may be required under HUD Guidelines.

Disclosure Laws

• Unlike for lead-based paint, Ohio landlords are not currently required to give tenants written disclosure about radon unless local law says otherwise.

If You Suspect a Radon Problem

If you're worried about radon levels in your home:

• You can buy an affordable test kit from hardware stores or online, or hire a licensed radon tester.
• If high radon is found (4.0 pCi/L or higher), notify your landlord in writing.
• If your landlord will not respond, consider contacting your local county health department for advice.

Relevant Forms for Renters

• Notice of Conditions Needing Repair (Form not standardized statewide) – If you discover unaddressed safety concerns, including high radon, you can write a notice to your landlord. There is no single official form, but the example Notice to Landlord form from the Ohio Department of Commerce can be used.
  Example: If you test and find high radon, fill out the notice, describe the hazard, and request action.

The Role of the Ohio Division of Industrial Compliance

Residential tenancy complaints in Ohio are overseen by courts, not a specialized "rental board." For official information, see the Ohio Court System and the Ohio Division of Real Estate and Professional Licensing.

Your Rights under Ohio Landlord-Tenant Law

• Habitability: Landlords must provide a rental that is safe, clean, and meets basic health standards. (See ORC Section 5321.04.)
• Repair Requests: If there is a health danger such as high radon, written notice is needed to trigger your landlord’s legal responsibility to fix it.

What to Do If the Issue Is Not Resolved

• If your landlord does not respond to a written notice about unsafe radon levels, you may be able to deposit rent with the local municipal or county court (“rent escrow”).
• For court procedures, review the guidance on the Supreme Court of Ohio website.

How to File a Repair Complaint (Rent Escrow)

• Form: There is no statewide rent escrow form, but your local municipal court or housing court will supply the right documents. Search “rent escrow” plus your court name.
• Process: Bring your written notice, a copy of your lease, and payment for rent to the court office. The clerk can help explain steps.

FAQ: Ohio Renters and Radon Testing

1. Does my Ohio landlord have to test for radon?
   No, Ohio does not have a statewide law requiring landlords to test for radon. However, some local jurisdictions may require it, so check your local city or county policies.
2. What should I do if I find high radon in my rental?
   You should provide written notice to your landlord about the issue. If they do not act, contact your city health department and consider rent escrow through your local court.
3. Can I break my lease if my rental has high radon?
   This may be possible if the landlord fails to address the danger after written notice. Seek legal advice or court assistance before taking this step.
4. Who oversees landlord-tenant issues in Ohio?
   The local municipal or county courts are responsible for hearing landlord-tenant disputes. There is no standalone state rental tribunal in Ohio.
5. Where can I get an official repair notice form?
   You can use the example Notice to Landlord form from the Ohio Department of Commerce or ask your local housing court.

Key Takeaways for Ohio Renters

• Ohio does not require landlords to test for or fix high radon statewide, but you can still report health hazards using written notice.
• Local rules may apply—check your city or county health department for specific radon ordinances.
• Landlords must keep rentals habitable; unsafe radon levels may trigger repair duties under Ohio law.

Need Help? Resources for Renters

• Ohio Division of Real Estate and Professional Licensing – Landlord and tenant education
• Ohio Department of Health – Radon Resources – Testing, licensed professionals, and FAQs
• Ohio Courts Directory – Find your local court for rent escrow or complaints
• Ohio Revised Code Section 5321.04 – Official landlord and tenant duties law

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1. Ohio Revised Code Section 5321.04 (Landlord Duties): Landlord obligations under Ohio law
2. Ohio Department of Commerce Example Notice to Landlord Form: Official sample
3. EPA Radon Guide: Radon basics and testing
4. Dublin, Ohio Local Radon Requirement: Details
5. Ohio Courts Directory – Rent Escrow filings: Find your court

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