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Why Clark Hill Inspections
We use certified testers, EPA-aligned protocols, and precise monitoring equipment, ensuring the most accurate results possible. Our team interprets results clearly and provides vetted mitigation recommendations when needed.
Importance of this Inspection
We use certified testers, EPA-aligned protocols, and precise monitoring equipment, ensuring the most accurate results possible. Our team interprets results clearly and provides vetted mitigation recommendations when needed.
Benefit to Customer
You gain clarity about indoor air safety, potential negotiation leverage, and peace of mind knowing your family is protected before moving in.
When To Get A Quote
A. Buying or selling a home
Case Study: The Buyer Who Caught High Radon Levels Before Closing
When Ashley put an offer on a home in Worcester, she added a radon test to her inspection. The results came back at 6.8 pCi/L — far above the EPA’s recommended action level. Because she caught it before closing, the sellers agreed to install a mitigation system at no cost to her. Without testing, Ashley would have inherited a hidden health risk and a $1,200–$1,800 bill.
B. Basement, crawlspace, or slab-on-grade foundation
Case Study: High Radon in a Slab-Foundation Ranch
Tom bought a single-story ranch in Dedham built on a slab foundation. Since radon can enter directly through floor cracks, he decided to test. Results showed moderate radon levels that increased during winter. Tom installed a simple mitigation system, improving indoor air quality for his family — especially important since their living space sits directly on concrete where radon enters.
C. Previous tests over 2 years old
Case Study: Retesting Revealed Rising Radon Levels
The Patel family had a radon test done when they bought their home five years ago, and the levels were low. During a routine retest, Clark Hill found the radon concentration had nearly doubled. Seasonal changes and natural foundation settling were the cause. With updated results, the Patel family addressed the issue before it affected their long-term health.
D. Renovations affecting airflow or foundation
Case Study: Renovations Changed the Home’s Radon Levels
After finishing their basement and installing new energy-efficient windows, the Torres family noticed the home felt “tighter.” They scheduled a radon test to be safe. The sealed basement increased radon concentration to unsafe levels. Because the issue was caught early, they added a mitigation system and enjoyed their upgraded space without hidden health risks.
