EPA Radon Zone 1 · Cincinnati Metro

Cincinnati's most straightforward radon mitigation team.

One in three Hamilton County homes tests above the EPA action level. We connect you with vetted, ODH-certified mitigators who get it fixed — fast, warrantied, and without the sales theater.

ODH-certified partners Free quotes Same-week scheduling
ODH-Certified Partners Ohio Department of Health licensed
Same-Week Service Real estate deadline friendly
Written Warranty On every installed system
Post-Mitigation Test Included with every installation
Why Cincinnati Homes Have a Radon Problem

It's the geology — and most homes have never been tested.

Cincinnati sits on Ordovician limestone and shale rich in uranium, which decays into radon gas. The gas seeps up through soil and into homes — concentrating in basements, crawl spaces, and even slab-on-grade construction.

Zone 1
EPA designation for Hamilton, Butler, Warren counties (OH) and Boone, Campbell, Kenton (KY)
4.0
EPA action level in pCi/L — mitigate above this
~33%
Of tested Hamilton County homes exceed 4.0 pCi/L
2-7×
Winter radon levels vs. summer due to the stack effect
Our Services

Everything you need, nothing you don't.

Radon Testing

Professional 48-hour short-term tests for real-estate transactions or peace of mind. Lab-analyzed, certified results.

Learn about testing →

Radon Mitigation

Sub-slab depressurization — the EPA gold standard. Reduces radon by up to 99% in most homes. Installed in a single day.

Mitigation process →

Real Estate Transactions

Inspection turned up high radon? We work to closing deadlines and provide the paperwork buyers and lenders require.

Real estate help →
The Process

From first call to confirmed safe levels.

01

Free quote

Send a few details. We give you a fixed-price estimate, usually within the business day — no high-pressure sales visits.

02

Schedule the install

Most Cincinnati homes are scheduled within the week. We work around closings, holidays, and your work schedule.

03

One-day installation

A typical sub-slab system installs in 3-6 hours. You can stay home — there's minimal disruption, dust, or noise.

04

Post-test confirmation

We leave a follow-up test, send results within 72 hours, and provide documentation for buyers, lenders, or your records.

Concerned about radon in your home? Don't wait.

Get a free, no-obligation quote. Most Cincinnati homes can be tested in 48 hours and mitigated in a single afternoon.

FAQ

Common questions from Cincinnati homeowners.

Is radon really a problem in Cincinnati?

Yes. Hamilton, Butler, Warren, and Northern Kentucky counties are all classified as EPA Radon Zone 1 — the highest risk category. Approximately one in three Hamilton County homes that gets tested comes back above the EPA action level of 4.0 pCi/L. The geology underlying Cincinnati is uranium-rich Ordovician limestone and shale, which is the primary source of radon gas in our region.

How much does radon mitigation cost in Cincinnati?

Most Cincinnati-area mitigation projects run between $900 and $1,600 for a standard basement sub-slab depressurization system. Crawl space homes or homes requiring multiple suction points may run $1,200 to $2,200. Pricing depends on foundation type, pipe routing, and whether you want exterior or interior fan placement. We provide fixed-price quotes with no surprises.

How long does the mitigation take?

A typical sub-slab depressurization system is installed in 3 to 6 hours. You can stay in the home during installation. Within 24 to 48 hours, radon levels in most homes drop below 2.0 pCi/L — well under the EPA action level. We leave a follow-up test that confirms results within 72 hours of installation.

Does Ohio require a license for radon mitigation?

Yes. Ohio is one of a handful of states that mandates licensure for radon mitigation work through the Ohio Department of Health (ODH). Anyone performing mitigation in Ohio must hold a current ODH Radon Mitigation Contractor license. Our partner contractors all carry active ODH credentials, which we verify before routing any lead.

Will radon mitigation affect my home's resale value?

Generally yes, in a positive direction. A documented, ODH-installed mitigation system with maintenance records reassures buyers, satisfies inspectors, and avoids the typical 2-4 week closing delay that comes with a failed radon test mid-transaction. Many real estate agents in Cincinnati now recommend pre-listing mitigation when sellers know their home is in Zone 1.