Blog
Colorado radon, written down.
County-level analysis, mitigation cost breakdowns, and quick reads on the CDPHE data. We aim for plain numbers and concrete advice — no fear, no padding.
July 6, 2026
Radon Levels Rising Even With a Mitigation System? Run This Checklist
Your radon system is running but your monitor keeps creeping up — 4.5, then 5. Here's the exact diagnostic sequence a Colorado mitigator uses on the phone: weather, manometer, sump seal, fan capacity — and what each fix costs.
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June 16, 2026
Why Our Free Radon Test Kits Come With a Refundable Deposit
More than half of free radon test kits are never returned. Here's the research on radon test-kit return rates — and why a small, fully refundable deposit gets more Colorado homes actually tested.
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April 29, 2026
How Much Does Radon Mitigation Cost in Colorado in 2026?
A standard radon mitigation system in Colorado runs $1,200–$2,500 in 2026, with $1,500 the most common all-in price. Here's what real homeowners pay, by county, and what actually drives the number up or down.
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April 28, 2026
Welcome to the Colorado Radon Check blog
What we'll be writing about here — county-by-county radon data, mitigation cost breakdowns, and how to read CDPHE numbers without overreacting.
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