Radon mitigation cost in Rockford, IL

We don't set prices, take commissions, or publish our own estimates. Below are figures that Illinois' radon program and EPA have published, with links, plus what to look for when you compare quotes for a home in the Rockford area.

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Published radon mitigation costs for Illinois

Item	Published figure	Source
Active mitigation system, installed	typically $1,000 to $1,500	IEMA-OHS "What is Radon?" page^[1]
Radon reduction system (older IEMA printed guide, 2009 print run)	generally $800 to $1,200	IEMA "Guide to Radon Mitigation"^[2]
Fan electricity	around $100 per year on average	IEMA-OHS^[1]
Test kit from Winnebago County Health Department	price not published online; it includes return postage and lab analysis	WCHD (call 815-720-4100)^[3]

These are published ranges, not quotes, and they may not reflect current Rockford prices. Always get written estimates.

What changes radon mitigation prices in Rockford

EPA says the cost "depends on how your home was built and the extent of the radon problem," and that most homes can be fixed for about the same cost as other common home repairs.^[4] The items that usually move a quote:

Foundation type. A basement or slab is usually handled with sub-slab depressurization. A crawl space over bare soil usually needs sub-membrane depressurization: a sealed plastic sheet plus suction.^[2] A house with both may need more than one suction point.
Pipe route. IEMA requires the exhaust to discharge above the highest eave, away from windows, doors, and neighboring buildings.^[2] An inside route through a closet or garage and an outside route up an exterior wall price differently.
Sump pits. IEMA's guide calls for sump covers with observation ports and a primary suction point independent of the sump.^[2]
Sealing and electrical. Sealing improves system effectiveness, though IEMA does not recommend sealing alone.^[2] The fan also needs power, and electrical work may be part of the quote.
Follow-up testing. Post-mitigation testing is required.^[1] Illinois rules generally keep the mitigator from doing both the before and after measurements unless an independent person measures, so the follow-up test may be a separate cost.^[5]

A radon mitigation quote checklist

Ask for	Why it matters
IEMA-OHS mitigation license number	Only licensed professionals may do the work for pay^[6]
Number and location of suction points	Main driver of labor and materials
Fan model and expected running cost	IEMA-OHS cites about $100 a year on average^[1]
Exhaust location	Must be above the highest eave and clear of openings^[2]
System function indicator	Required component in IEMA's guide^[2]
Sump cover and sealing	Listed in IEMA's guide^[2]
Who does the follow-up test, and its cost	Independent post-mitigation test^[5]
Warranty terms in writing	Compare like for like

Getting fair radon mitigation quotes in Rockford

IEMA recommends requesting two or three estimates from licensed mitigation professionals.^[2]
Confirm every company in the IEMA-OHS licensee lookup (license type "Mitigation Professional," service county "Winnebago").
Compare what is included, not just the total: suction points, fan, indicator, exhaust location, follow-up test, and warranty.
If you are buying or selling, see radon and home sales for the disclosure rules that apply.

Radon fan running costs over time

The fan runs around the clock. IEMA-OHS puts its electricity cost at about $100 a year on average.^[1] By simple arithmetic, that is roughly $1,000 over ten years, so ask about the fan's wattage and warranty when you compare quotes. Check the system function indicator now and then. IEMA's guide lists it as a required part of an Illinois system so you can tell the fan is working.^[2] EPA says it is a good idea to retest your home every two years to be sure radon levels remain low.^[4]

Free radon help before you spend anything

Checking a license costs nothing: use the IEMA-OHS licensee lookup. IEMA-OHS also runs a radon information line at (800) 325-1245, and Radon Program staff can be reached at (217) 782-1325.^[7] Both can explain testing and mitigation in general terms. Neither will recommend a specific company.

Radon costs for new homes and rentals

Many Illinois homes built since June 2013 already have a passive radon system.^[1] If a test still shows 4 pCi/L or more, IEMA says a licensed mitigation professional should convert it to an active system, and it describes "skeletal" systems as designed for adding a vent fan.^[2] Renters: the Radon Awareness Act lets a tenant, with the landlord's express consent, have a licensed contractor install a system and deduct the cost from rent over the rest of the lease.^[8]

Radon mitigation cost questions in Rockford

Is radon mitigation worth the cost?

That's your call, but the published figures help: IEMA-OHS says an active system typically costs $1,000 to $1,500 installed plus about $100 a year for the fan.^[1] EPA says most homes can be fixed for about the same cost as other common home repairs.^[4]

Why are two quotes for the same house so different?

Usually because the designs differ: number of suction points, pipe route, crawl-space work, sealing, and electrical. Ask each licensed mitigator to itemize so you can compare the same scope.

I rent. Who pays?

Under the Illinois Radon Awareness Act, a tenant who wants mitigation needs the landlord's express consent and must use a licensed radon contractor. With that consent, the tenant may deduct the installation cost from rent, spread evenly over the rest of the lease.^[8]

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