Best Radon Testing & Mitigation in Fredericton

About Radon in Fredericton, New Brunswick

Last updated: March 2026

Fredericton is served by C-NRPP certified radon professionals listed on RadonFinder.ca. New Brunswick has moderate to elevated radon risk, with the highest levels concentrated in areas underlain by uranium-bearing geological formations — particularly around Sussex, the Saint John River valley, and parts of the Fredericton region. The province's mix of older housing stock and varied geology means test results can differ significantly from one neighbourhood to the next. Health Canada surveys indicate a meaningful proportion of New Brunswick homes exceed the guideline, and testing is recommended across the province.

Typical Mitigation Cost in New Brunswick

$1,800–$3,000

Near national average

Market is smaller than central Canada; some rural areas may see higher costs due to limited contractor availability.

  • •Foundation type — many older NB homes have stone or block foundations
  • •Urban (Moncton, Fredericton, Saint John) vs. rural contractor availability
  • •Sub-slab conditions and required number of suction points
  • •Basement finish level
  • •Crawlspace vs. basement construction type

Showing 1–2 of 2 professionals in Fredericton

RPC

Fredericton, NB
Basic
4.8(10)Google

Offers radon testing services for homes. Serves New Brunswick.

Testing
CallView Profile

Star-Lite Construction Ltd.

Fredericton, NB
Basic
5.0(4)Google
Testing
CallView Profile

Frequently Asked Questions: Radon in Fredericton

RadonFinder.ca lists C-NRPP certified radon testing and mitigation professionals serving Fredericton, New Brunswick. Browse the directory above to compare professionals by services offered, certifications, and reviews.
Most homeowners in New Brunswick pay between $1,800 and $3,000 for a complete radon mitigation system. Actual cost depends on your foundation type, home size, and the complexity of the installation. Request quotes from multiple professionals to compare.
Fredericton follows Health Canada’s national guideline of 200 Bq/m³. If your home tests above this level, Health Canada recommends taking action to reduce radon — within two years for levels between 200 and 600 Bq/m³, and within one year if above 600 Bq/m³.
Yes. Health Canada recommends testing every home in Canada, regardless of age, construction type, or location. Radon levels vary from house to house — even neighbouring homes can have very different readings. A long-term test of at least 91 days during the heating season is the most reliable method.
The most common system is active sub-slab depressurization (ASD). A certified professional installs a pipe through your foundation slab connected to a fan that draws radon from beneath the home and vents it safely above the roofline. Installation typically takes one day.

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Radon Resources for Fredericton

Tools and guides to help you understand radon risk and take action.

Check your radon risk
Estimate your risk based on province, home age, and foundation type.
Understand your test results
Learn what Bq/m³ means and when action is required.
DIY radon test kits
Compare test kit options starting from $10.
Radon guides & articles
In-depth guides on testing, mitigation, and health risk.
Browse all provinces
Find certified professionals anywhere in Canada.
Radon FAQ
Answers to the most common questions about radon.