Homeowner radon guide
Radon mitigation with a sump pit
A sump pit can be an entry pathway and may need an airtight, serviceable cover.
Keep it serviceable
A good proposal should explain how the pump remains accessible for maintenance.
Water management remains separate
Radon sealing should not prevent the sump system from performing its drainage purpose.
What to do next
Use the cost estimator for planning or search for professionals whose recorded service area matches your ZIP code.
Content reviewed 2026-08-20. Educational information only; testing and a property-specific assessment are still required.