Air Sense Environmental
(618) 593-4815✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon in ZIP code 62053
Last updated
ZIP 62053 lies entirely in Calhoun County, Illinois. EPA’s radon zone for this area: Zone 1, highest potential.
Zone 1 Calhoun County, IL · 100% of the ZIP’s land area
Predicted average indoor screening level above 4 pCi/L.
What this means for homes in 62053
EPA built its zone map county by county in 1993, so every address in 62053 shares Calhoun County’s prediction. The zone is a starting point, not a measurement of your house. Zone 1 areas like this one have a high share of homes above 4 pCi/L, so testing is a priority.
Next: read how to test your home, then check the number with the level calculator.
Radon professionals for 62053
These professionals are listed for Calhoun County that 62053 falls in. Featured listings are paid placements and are labelled.
Central Illinois Radon Mitigation
(217) 520-6630✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Doug Stuedemann Radon Mitigation
(815) 474-3940✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
DuPage Radon Contractors
(630) 836-1918✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Inspect It Chicago
(630) 890-8634✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Peoria Radon Mitigation, Inc
(309) 243-7377✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Defenders
(269) 446-0558✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Gone LLC
(847) 668-5313✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Professional Services
(708) 935-3206✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Remedy
(262) 577-5515✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Services
(217) 483-5198✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
Radon Solutions, LLC
(563) 386-8686✓ Verified October 4, 2026 on the official state list dated October 4, 2026, double-checked against a second state list.
See all 51 on the Calhoun County page →
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Nearby ZIP codes in Calhoun County
Illinois radon help
IL Emergency Management Agency Radon Program (217-782-4977) can help with test kits, local data and credentialed professionals: iema.illinois.gov/nrs/radon.html.
Frequently asked questions
What is the radon zone for ZIP code 62053?
ZIP 62053 lies in Calhoun County, which EPA places in Zone 1 (highest potential).
Should I test for radon in 62053?
Yes. EPA recommends testing every home regardless of zone, because radon varies from house to house. Fix the home if a confirmed result is 4 pCi/L or higher, and consider fixing between 2 and 4 pCi/L.
Are there certified radon professionals near 62053?
This page lists 51 professionals for the county that 62053 falls in, each checked against the state's official certification or licence list.
Free checklist · PDF
Radon Test Checklist
A one-page, step-by-step checklist for running a home radon test right the first time, and what to do with the number.
- Short-term vs. long-term test: which to use
- Closed-house conditions and where to place the kit
- What 2, 4 and 8 pCi/L mean and when to fix
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