A Buyer's Choice Home Inspections St. John's - Avalon with Chip Jaggard | ABCHI Commercial Inspections
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Radon Mitigation in St. John's, NL
Compare 32 radon mitigation contractors near you in St. John's and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated April 2, 2026
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Radon Mitigation in St. John's, NL
Radon mitigation in St. John's (Newfoundland) serves an Atlantic Canadian capital market: single-family homes, basement-construction (predominant), and townhouses. Newfoundland shows variable radon — Health Canada data shows elevated in 15-25% of basement homes. Typical jobs include sub-slab depressurization for basements.
Residential radon mitigation in St. John's runs $3,000-$5,500 CAD (island premium). Newfoundland doesn't require radon-specific licensing; C-NRPP certification standard. St. John's permits for electrical work.
Frequently Asked Questions
- Does St. John's have radon?
- Yes — 15-25% of basement homes test elevated.
- Why are NL costs higher?
- Material delivery from mainland.
- What's typical cost?
- $3,000-$5,500 CAD.
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