Buying a Home
cute young family buying a house

Radon: Buying a Home

Always request a radon test as part of the inspection process.

Local Requirements

New homes must be built with Radon-Resistant New Construction (RRNC) in:

  • The City of Longmont
  • The Town of Superior
  • Unincorporated Boulder County

Testing After Occupancy

While a home may be built with Radon-Resistant New Construction, most new homes are built with passive techniques (no fan). This means that the home still needs to be tested after move-in. If testing shows a level of 4.0pCi/L or more, a fan can be installed to the existing piping to reduce the level.

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Air Quality Program

Main: 303-441-1564
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