Radon Mitigation, Testing, and Installation for Real Estate Companies and Agents
Radon Testing for Commercial Properties
Protecting Your Clients, Your Transactions, and Your Reputation
Your clients trust you to guide them through one of the biggest decisions of their lives, and that means making sure the homes you represent are safe from the ground up. Radon is one aspect that is entirely preventable, if you know how to handle it. As a real estate professional, your responsibility to your clients goes beyond finding the right property at the right price. It includes making sure the home they are buying or selling is safe. Radon gas is the second leading cause of lung cancer in the United States, and because it is odorless and invisible, it can only be detected through professional testing. ColoRadon partners with real estate companies and agents across Colorado to make radon testing and mitigation a seamless, reliable part of every transaction.
Whether you are representing a buyer, a seller, or managing a portfolio of properties, we provide the certified expertise, fast turnaround times, and clear reporting your deals depend on.
Why Radon Is a Real Estate Issue, Not Just a Health Issue
Radon does not just affect the people living in a home — it affects the deal itself. In Colorado, radon disclosure requirements mean that elevated levels can stall or derail a transaction entirely. Buyers who discover high radon readings during a home inspection often have one of three responses: they request a price reduction, they ask the seller to install a mitigation system before closing, or they walk away from the deal altogether.
By proactively testing and mitigating radon early in the process, real estate professionals can keep transactions moving forward, protect their clients from unexpected costs, and position themselves as trusted advisors who take every aspect of a transaction seriously.
The EPA recommends mitigation for any home testing at or above 4.0 picocuries per liter of air (pCi/L). In Colorado, elevated radon levels are common across many counties due to the region’s geology — making professional testing a standard expectation, not an optional add-on.
Our Services for Real Estate Professionals
Radon Testing for Pre-Listing and Pre-Purchase Inspections
ColoRadon provides certified short-term radon testing designed to fit within the compressed timelines of real estate transactions. Our measurement specialists place EPA-approved testing devices in the lowest livable area of the home, following strict closed-house conditions required for accurate results. Reports are delivered in a clear, easy-to-read format — giving you, your clients, and other parties in the transaction a reliable baseline to work from.
Testing is available for single-family homes, multi-unit properties, and any other residential real estate involved in a transaction.
Radon Mitigation System Installation
When a test reveals elevated radon levels, fast and effective mitigation is essential to keeping a deal on track. ColoRadon designs and installs customized mitigation systems tailored to each property's foundation type, layout, and construction. Common solutions include active soil depressurization, sub-slab suction, and crawl space mitigation with vapor barriers — each installed by certified professionals and built to meet or exceed EPA guidance and Colorado building codes.
Most installations are completed in a single day, minimizing disruption to showings, inspections, and closing timelines.
Passive System Activation
Many newer Colorado homes were built with passive radon-resistant construction features — a vent pipe that relies on natural airflow to move radon out of the home. While this is a good first step, passive systems frequently fail to lower radon to safe levels on their own. ColoRadon activates these existing systems by adding a specialized radon fan, turning a passive pipe into an active, continuous mitigation system without the cost of a full new installation.
This is a cost-effective solution frequently used when radon levels are moderately elevated and a passive system is already in place.
Post-Mitigation Testing and Verification
After any mitigation system is installed or activated, ColoRadon performs follow-up testing to verify that radon levels have been reduced below the EPA action threshold. We provide a written verification report suitable for your transaction file, giving all parties confidence that the issue has been properly resolved.
What Real Estate Professionals Can Expect When Working With ColoRadon
Working with ColoRadon means you have a reliable, professional partner who understands the urgency and structure of real estate timelines. Here is what you can count on:
Certified Professionals
Our team holds National Radon Proficiency Program certifications for both measurement and mitigation. We carry full liability insurance on every project.
Transaction-Ready Reporting
Every test and mitigation job comes with clear documentation that meets real estate disclosure standards and is ready to share with buyers, sellers, title companies, and attorneys.
Fast Turnaround
Short-term testing results are available quickly, and mitigation installations are typically completed in one day. We understand that delays cost money.
Honest Assessments
ColoRadon does not upsell unnecessary services. If a passive system activation will solve the problem, we will tell you. If a full mitigation system is needed, we will explain exactly why.
Service Across Colorado
We serve residential properties throughout Colorado, including the Front Range, Denver metro, and surrounding communities where elevated radon is a known concern.
The ColoRadon Process for Real Estate Transactions
- Step 1: Property Assessment — We review the home's foundation type, construction, and layout to determine the right testing approach and identify potential radon entry points.
- Step 2: Certified Testing — Our measurement specialist places an approved radon testing device in the correct location under proper closed-house conditions. Testing typically runs for a minimum of 48 hours for short-term tests.
- Step 3: Results and Reporting — You receive a detailed, professionally formatted report showing radon levels in pCi/L with a clear recommendation for next steps. Reports are suitable for use in your transaction documentation.
- Step 4: Mitigation (If Needed) — If levels require action, we design and install the appropriate mitigation system for the property. All work is performed by certified contractors.
- Step 5: Verification Testing — Following mitigation, we conduct a final test to confirm that radon levels are within the safe range and provide a written verification report.
Frequently Asked Questions for Real Estate Agents and Companies
How quickly can you complete a radon test for a property under contract?
Short-term radon tests run for a minimum of 48 hours under closed-house conditions. We can typically schedule testing promptly to fit within standard inspection windows, and we understand that time is a critical factor in real estate transactions.
Does a seller have to disclose radon levels in Colorado?
Colorado real estate contracts typically include radon-related provisions, and sellers are expected to disclose known radon issues. Testing proactively before listing helps sellers get ahead of any issues and avoid renegotiation or deal disruption after an offer is accepted.
Can a mitigation system be installed before closing?
Yes. In fact, this is one of the most common approaches. A seller installs the mitigation system before closing, the system is verified through post-mitigation testing, and documentation is provided to the buyer. This keeps transactions on schedule and demonstrates good faith.
How long does mitigation installation take?
Most residential mitigation systems are installed in a single day. Larger or more complex properties may require additional time, but we always communicate the timeline clearly before beginning any work.
Is radon testing required for every real estate transaction in Colorado?
Radon testing is not legally mandated in every Colorado transaction, but it is widely recommended and expected by informed buyers — particularly in areas with known elevated radon risk. Many buyers request testing as a standard part of the inspection process, and agents who proactively recommend it protect both their clients and themselves.
What happens if a mitigation system is already present in the home?
An existing mitigation system does not automatically mean radon levels are safe. Systems should be tested to confirm they are performing effectively. ColoRadon can inspect an existing system, perform a test to verify performance, and activate or upgrade a passive system if needed.
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Partner With ColoRadon for Every Transaction
Radon does not have to slow down your deals or create last-minute complications. When you work with ColoRadon, you have a certified, experienced partner who keeps your transactions moving while ensuring your clients’ safety is never compromised.
To schedule testing or mitigation for a property, or to discuss a standing partnership for your real estate company, contact ColoRadon today. We are ready to support your team with the expertise and responsiveness your business requires.
Contact ColoRadon — Call us or reach out online to schedule a test or mitigation service for your next listing or transaction.