Frankfort, IL Radon Levels

Q: What EPA Radon Zone is Frankfort in?

Frankfort is in Will County, EPA Zone 2.

Q: How much does radon mitigation cost in Frankfort?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Frankfort radon levels and find certified testing and mitigation professionals to keep your home safe

Frankfort, IL Radon Facts

EPA Radon Zone Zone 2 — Moderate Risk 2–4 pCi/L (Zone 2)

County Will County, IL

Zip Code 60423

Part of the southern suburban reaches of the Chicago metro in Will County, Frankfort's 60423 area benefits from glacial till deposits from the Wisconsin glaciation that create soil conditions highly favorable for radon gas production. While specific testing data for this community remains limited, the predominantly single-family homes built between the 1950s and 1990s with full basements provide enclosed below-grade spaces where radon can accumulate. Residents should prioritize radon testing given the geological conditions and housing characteristics typical of this collar county location.

8.00

pCi/L area average

Above EPA Action Level

Will County average: 8.00 pCi/L, based on 30 user-submitted tests across 16 cities in the county. No homeowner readings have been submitted for Frankfort itself yet, so this county figure is the closest available benchmark. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Frankfort, IL Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

Need Radon Mitigation or Testing in Frankfort?

100% Free, No-Obligation Quotes
Matches You with State-Licensed Will County Pros

1-800-299-3578 Toll-free · Mon–Fri 8am–6pm ET

Radon Readings Near Frankfort, IL

No homeowner tests have been submitted for Frankfort yet. The closest cities with user-submitted radon data are shown below — explore them to gauge local conditions. Radon varies by home, so testing is the only way to know your level.

City	Distance	Avg User Level	Readings
Mokena	3.8 mi	5.67 pCi/L	3
Matteson	4.4 mi	15.00 pCi/L	1
Tinley Park	4.4 mi	7.67 pCi/L	3
Richton Park	5.6 mi	3.00 pCi/L	2
New Lenox	7.2 mi	10.14 pCi/L	7
Orland Park	7.3 mi	7.00 pCi/L	3
Flossmoor	7.6 mi	5.00 pCi/L	1
Homer Glen	9.5 mi	4.33 pCi/L	3

Will County Radon Profile

EPA mapping assigns Will County to Radon Zone 2, indicating moderate predicted indoor screening levels in the 2 to 4 pCi/L range based on regional geology. Homeowner-submitted tests from 16 cities in Will County average 8.00 pCi/L across 30 tests — above the EPA's 4 pCi/L action level, reinforcing the need for testing across the county. As the second leading cause of lung cancer in the U.S., radon warrants testing in every Will County home regardless of zone or a neighbor's results.

Radon FAQ for Frankfort, IL

What EPA Radon Zone is Frankfort in?

Frankfort and the 60423 zip code are in Will County, which has an EPA assigned Radon Zone of 2. A zone of 2 predicts an average indoor radon screening level between 2 and 4 pCi/L.

Why are radon readings shown from areas near Frankfort?

No homeowner radon tests have been submitted for Frankfort yet. Because radon is driven by regional soil and bedrock geology, readings from the closest cities—and the Will County average—are the best available indicator of local conditions until Frankfort homeowners submit their own results. The EPA still recommends testing every individual home, since levels can vary significantly from house to house.

How much does radon mitigation cost in Frankfort?

Radon mitigation in Frankfort typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Frankfort?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.