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Advice Regarding Radon in Rental Properties in Maine

by Margaret Henderson

Any home in Maine may have a radon problem, including rental properties. All parts of Maine may have elevated radon levels and test results indicate that at least 25% of the homes tested have radon problems. In Maine, landlords are required to test their rental properties. Radon testing in all residential rental properties was required by March 1, 2014, and unless a mitigation system is installed, a tenant can request a re-test every 10 years.

To guide landlords and renters, the Maine Division of Environmental Health has developed a tip sheet with the basics about “Radon in Rental Housing A Serious Hidden Danger to Family Health.”
http://www.maine.gov/dhhs/mecdc/environmental-health/rad/radon/documents/2013%20tipsheet%2011.pdf

Highlights of “About Radon Testing in Rental Housing Maine” include:

  • Radon tests can be performed by the landlord, the tenant, or a Maine registered radon tester.
  • All radon tests must be done according to approved protocols, which require the radon test devices to be placed in the basement or in ground floor units, and in some upper floor units.
  • The landlord must show the renter the test results.
  • If there is a high radon level (greater than 4 pCi/L) in the building, mitigating the problem is recommended but not required.
  • If the excessive radon problem is not corrected, the landlord or tenant can end the lease with at least 30 days notice.
  • Mitigation work must be done by a registered radon mitigator.
  • A Landlord Disclosure form is available at http://www.maine.gov/dhhs/mecdc/environmental-health/rad/radon/documents/Maine%20radon%20gas%20disclosure-final.pdf.
  • Under Maine law, only the owner or occupant of a residence or someone registered with the state to provide these services, may test for radon, install and/or advise on the installation of a mitigation system.

Contact information:
Telephone 1-800-232-0842 in Maine
or 1-207-287-5698 out of Maine
radon.dhhs@maine.gov