Best Radon Testing & Mitigation in Hamilton
About Radon in Hamilton, Ontario
Last updated: March 2026
Hamilton is served by C-NRPP certified radon professionals listed on RadonFinder.ca. Ontario has widely varying radon risk depending on geography. The Ottawa Valley, eastern Ontario, and areas underlain by the Canadian Shield, including parts of Sudbury, Elliot Lake, and the Bancroft region, have elevated radon due to uranium-rich granite bedrock. Southern Ontario's clay and limestone geology generally produces lower levels, though local hotspots exist in any region. The 2024 Cross-Canada survey found about 13% of Ontario homes exceed the guideline.
Typical Mitigation Cost in Ontario
Near national average
Costs vary significantly between the GTA, Ottawa, and northern Ontario due to labour markets and home construction types.
- •Foundation type: poured concrete, block, or slab
- •Basement finish level: unfinished installs are faster and cheaper
- •Pipe routing complexity in finished or split-level homes
- •GTA vs. rural Ontario labour rate differences
- •Age of home: older homes may require additional sealing work
Showing 1–16 of 26 professionals in Hamilton
Radon Rescue Ltd.
Hamilton, ON provider of effective radon testing & custom mitigation solutions. Services include initial assessment & system installation following Health Canada guidelines.
The Radon Man
The Radon Man is a Hamilton-based C-NRPP certified contractor who tests homes for radon, diagnoses entry points and installs and verifies mitigation systems. He serves Hamilton, Ancaster, Dundas, Stoney Creek, Burlington, Grimsby, Oakville and Niagara.
Rival Home Inspections
Offers radon services. Serves Ajax, ON, Toronto, Durham, York, Peel, Halton, Simcoe, Brant, Dufferin, Kawartha Lakes, Hamilton, Waterloo, Peterborough, and all GTA Regions.
Canada Radon Inc.
Offers C-NRPP Certified & Insured radon testing, measurement, mitigation, and soil gas removal services. Serves Southwestern Ontario.
Radon Gas Guys
Provides C-NRPP certified radon testing, mitigation, and removal services with a 100% guarantee for homes in Kitchener, Waterloo, Guelph, Hamilton, and Burlington. Offers free 91-day test kits.
Geosyntec Consultants
Geosyntec Consultants is a C-NRPP certified radon testing and mitigation professional serving Guelph, ON. They offer complete radon solutions from initial testing through to mitigation system installation.
Borts Home and Energy
Borts Home and Energy is a C-NRPP certified radon testing and mitigation professional serving Etobicoke, ON. They offer complete radon solutions from initial testing through to mitigation system installation.
BluMetric Environmental Inc.
BluMetric Environmental Inc. is a C-NRPP certified radon testing and mitigation professional serving Kitchener, ON. They offer complete radon solutions from initial testing through to mitigation system installation.
The Bearstar Group Inc
Offers hazardous material abatement services including radon solutions for commercial, industrial, and institutional buildings. Provides identification, removal, and disposal with 25+ years expertise.
Expert Plumbing and Drains Inc
A full-service plumbing and drain company offering heating and radon services. Brings over 80 years of combined experience to homeowners and custom home builders.
ECOH Management Inc.
ECOH Management Inc. is a C-NRPP certified radon testing professional serving Toronto, ON. Their certified inspectors provide accurate radon measurements for homes and businesses.
Canada Post
Canada Post is a C-NRPP certified radon testing professional serving Mississauga, ON. Their certified inspectors provide accurate radon measurements for homes and businesses.
WSP Canada
WSP Canada is a C-NRPP certified radon testing and mitigation professional serving Etobicoke, ON. They offer complete radon solutions from initial testing through to mitigation system installation.
The Radiation Safety Institute of Canada's National Laboratories in Toronto offer radiation safety training and lab services. For radon, it runs a radon chamber and CRM calibration for professionals and no longer offers home radon testing to the public.
ECOH
ECOH is a C-NRPP certified radon testing professional serving Mississauga, ON. Their certified inspectors provide accurate radon measurements for homes and businesses.
Martech Group Inc.
Martech Group Inc. is a C-NRPP certified radon testing professional serving Mississauga, ON. Their certified inspectors provide accurate radon measurements for homes and businesses.
Local radon data
How common is high radon in Hamilton?
1 in 8.7
homes tested in the Hamilton area had radon above Health Canada's action level of 200 Bq/m³. Your home can be very different from its neighbours, so the only way to know your level is to test.
Postal areas nearby with the highest estimates
125 homes tested in the 2024 Cross-Canada survey. Source: the RadonFinder.ca radon map of Canada, built on the 2024 Cross-Canada survey, Health Canada data and Statistics Canada census data.
Open Hamilton on the radon mapTest before you call a pro
Know your radon level in Hamilton first
A home monitor tells you whether you need mitigation at all, and later confirms it worked. Health Canada bases decisions on a 3-month average, ideally through winter.
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Frequently Asked Questions: Radon in Hamilton
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