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How Much Does Radon Mitigation Insurance Cost in Ohio?

May 18
6 min read

If you run a radon mitigation business in Ohio, you already know your work sits at the intersection of construction, environmental safety, and public health. You’re drilling through foundations in Columbus basements, installing ventilation systems in Cleveland homes, and troubleshooting airflow issues in older properties across Cincinnati.

That type of work carries real liability.


Radon Mitigation

One miscalculation when sealing a slab, one improperly installed system, or one claim that radon levels didn’t drop as expected can quickly turn into a serious insurance issue. That’s why understanding radon mitigation insurance cost in Ohio is critical if you want to protect your business and stay competitive.


At Wexford Insurance, we work closely with specialty contractors like radon mitigation professionals. Nate Jones, CPCU, ARM, CLCS, AU, our founder, has spent years helping service-based contractors structure policies that actually respond when something goes wrong—not just policies that look good on paper.


Average Cost of Radon Mitigation Contractor Insurance in Ohio

Most radon mitigation businesses carry multiple policies. Each one addresses a different exposure—from property damage inside a home to employee injuries or environmental liability.


Below are estimated cost ranges based on real underwriting trends for Ohio contractors. These are not flat rates—your actual premium depends on your operation.


General liability insurance is the core of your protection. It covers third-party bodily injury, property damage, and completed operations claims.

  • Monthly Cost: $45 – $85

  • Annual Cost: $550 – $1,000

  • Typical Limits: $1M per occurrence / $2M aggregate

Common claims include drilling into underground utilities, cracking foundations, or damage caused during system installation.

At Wexford Insurance, we’ve seen that most claims don’t happen during installation—they come later, when homeowners notice issues after the fact.


Nate Jones, CPCU, ARM, CLCS, AU, explains:

“In my experience as a former underwriting manager, completed operations exposure is a major concern in radon mitigation. If a system doesn’t perform or causes secondary damage, claims can develop weeks or months later.”


Workers’ Compensation Insurance (Ohio BWC)

Ohio is a monopolistic state, meaning workers’ compensation insurance must be purchased through the Ohio Bureau of Workers’ Compensation (BWC)—not private carriers.

  • Rate: $5.50 – $11.00 per $100 payroll

  • Monthly Cost (Small Crew): $140 – $300

Radon mitigation involves confined spaces, drilling, ladders, and repetitive motion—all of which increase injury risk.


At Wexford Insurance, we recently helped a radon contractor in Dayton reduce their premium by improving safety documentation and participating in BWC discount programs.


If you own or lease a space—whether it’s a small warehouse in Toledo or a shop outside Akron—commercial property insurance protects your building and contents.

  • Monthly Cost: $50 – $130

  • Annual Cost: $600 – $1,550

Ohio’s freeze-thaw cycles can impact buildings, and insurers factor in those environmental conditions when pricing coverage.


A Business Owner’s Policy (BOP) bundles general liability and property coverage for cost savings.

  • Monthly Cost: $80 – $155

  • Annual Cost: $950 – $1,850

Most small to mid-sized radon mitigation businesses qualify, and it’s often the most efficient way to structure coverage.

Specialized Radon Mitigation Coverages

Radon mitigation work introduces exposures that standard contractor policies may not fully cover.

  • Pollution Liability Insurance: $300 – $900 annually

  • Inland Marine (Tools & Equipment): $20 – $50 per month

  • Professional Liability (E&O): $400 – $1,000 annually

At Wexford, one of the most common gaps we see is contractors assuming general liability covers system performance issues—it usually doesn’t. That’s where professional liability becomes essential.


What Factors Affect Radon Mitigation Insurance Costs in Ohio?

Your premium is not random. Insurance companies evaluate how your business operates—and Ohio-specific risks play a big role.


1. Ohio Housing Stock

Ohio has a large number of older homes with basements, especially in cities like Cleveland and Cincinnati. Older foundations increase the risk of cracking and water intrusion during drilling.


2. Soil and Radon Risk Zones

Ohio sits in a moderate-to-high radon zone according to EPA maps. Higher testing and mitigation demand means more projects—and more exposure.


3. Freeze-Thaw Cycles

Seasonal temperature swings can stress foundations, increasing the likelihood of structural damage during mitigation work.


4. Number of Employees

Workers’ comp costs increase directly with payroll. Even adding one technician can raise your BWC premium noticeably.


5. Claims History

Prior claims—especially involving property damage or system performance—will impact your rates.


6. Business Volume

More installs = more exposure. A contractor doing high-volume real estate transactions will pay more than a smaller operation doing occasional installs.


Ohio-Specific Insurance Requirements for Radon Mitigation Businesses

Ohio has several regulatory factors that directly affect your insurance obligations.


Workers’ Compensation Requirements (BWC)

Ohio law requires most businesses with employees to carry workers’ compensation through the Ohio Bureau of Workers’ Compensation (BWC).

  • Coverage is mandatory with one or more employees

  • Sole proprietors may be exempt

  • Penalties apply for non-compliance


Ohio Radon Licensing Requirements

Unlike some states, Ohio requires licensing for radon mitigation professionals under the Ohio Department of Health.

This includes:

  • Passing certification exams

  • Meeting continuing education requirements

  • Following state-approved mitigation standards

Failure to comply can lead to liability exposure—and potential denial of insurance claims.


Local Building and Permit Requirements

While Ohio regulates radon licensing statewide, permits are often handled locally.

For example:

  • Columbus may require specific permits for structural work

  • Cleveland enforces building code compliance for ventilation systems

These requirements often include proof of liability insurance before work is approved.


Environmental and Health Regulations

Radon mitigation falls under environmental safety standards. Improper installation can create liability tied to indoor air quality and health risks.

This is why pollution liability insurance is becoming more common for Ohio mitigation contractors.


Common Coverage Expectations

While not always legally required, most Ohio clients expect:

  • $1M/$2M general liability limits

  • Workers’ compensation through BWC

  • Professional liability for system performance

  • Equipment coverage for tools and testing devices


How to Lower Your Radon Mitigation Insurance Costs in Ohio

Insurance is a major expense—but it’s manageable with the right strategy.

  • Bundle general liability and property into a BOP

  • Maintain detailed installation records and testing results

  • Invest in technician training and certification

  • Calibrate equipment regularly to avoid performance disputes

  • Increase deductibles strategically

  • Participate in Ohio BWC safety programs

  • Work with an independent agency like Wexford Insurance


One of the most common mistakes Nate Jones, CPCU, ARM, CLCS, AU sees is underestimating professional liability exposure.

“Radon mitigation isn’t just construction—it’s performance-based work,” says Nate Jones, CPCU, ARM, CLCS, AU. “If your system doesn’t achieve expected results, that can lead to disputes. That’s where proper coverage really matters.”


FAQ: Ohio Radon Mitigation Insurance Costs


Is radon mitigation insurance required by law in Ohio?

General liability is not mandated by state law, but workers’ compensation is required if you have employees. Licensing through the Ohio Department of Health is also required for mitigation professionals.


Why is workers’ comp different in Ohio?

Ohio uses a monopolistic system through the BWC. You cannot purchase workers’ comp from private insurers in the state.


Can I get insured as a new radon mitigation contractor in Ohio?

Yes. New businesses can obtain coverage, though premiums may be slightly higher initially without prior claims history.


Why Ohio Radon Mitigation Business Owners Choose Wexford Insurance

At Wexford Insurance, we specialize in contractor and environmental risk insurance. We’ve worked with radon mitigation professionals across Ohio and understand the unique combination of construction, environmental, and performance risk you deal with daily.


Our agency was founded by Nate Jones, CPCU, ARM, CLCS, AU—a graduate of Indiana State University’s Insurance and Risk Management program. Before starting Wexford Insurance, Nate Jones CPCU, ARM, CLCS, AU worked as an underwriting manager and risk consultant, giving him an inside view of how insurance companies evaluate businesses like yours.

That matters when it comes to pricing and claims.


As a Trusted Choice independent agency, we represent multiple carriers. That means we can compare options and tailor your coverage to your actual operation—not force you into a generic contractor policy.

At Wexford Insurance, we’ve seen firsthand that businesses with the right insurance structure don’t just survive claims—they recover quickly and keep growing.


Get a Radon Mitigation Insurance Quote in Ohio Today

If you want to know exactly what your insurance should cost—and what coverage you actually need—let’s talk.

Wexford Insurance Address:107 N State Road 135, STE 304, Greenwood, IN 46142

Call 317-942-0549 or visit www.wexfordins.com. We will compare multiple carriers and help you secure the right protection at the best possible price.






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Wexford Insurance, LLC

107 N State Road 135

STE 304

Greenwood, IN 46142

Wexford Insurance

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