Find Radon Testers in Washington D.C.
Certified radon testing and mitigation professionals across Washington D.C.. Browse 1+ listed providers below.
Radon Risk Level
EPA data for this state
Moderate radon potential.
Browse by City in Washington D.C.
Radon Providers in Washington D.C.(showing top 1)
Radon Testing in Washington D.C. — FAQ
How often should I test for radon in Washington D.C.?
The EPA recommends testing every two years in Washington D.C.. Always test when moving into a new home, after renovations that affect lower levels, and after installing a mitigation system.
What is the EPA action level for radon?
The EPA recommends taking action to reduce radon if indoor levels reach 4 pCi/L or higher. Even levels between 2–4 pCi/L present risk, and mitigation is recommended where feasible.
Do I need a certified radon tester in Washington D.C.?
For real estate transactions, most states require a certified tester. Look for NRPP or AARST-NRPP certification. Washington D.C. may also have its own state program — check your state radon office for specific requirements.