Radon has zero visible signs, and mold can grow unseen behind walls. Here's why testing matters even when everything looks fine.
Retest every 2 years if mitigation was performed, or every 2–5 years if it wasn't. Here's why retesting matters even after a clean result.
There's no universal rule — it depends on negotiation, contract terms, and local practice. Here's what typically factors into that decision.
Yes — many homeowners schedule both radon and mold testing during a single visit. Here's how the combined appointment works.