City
Radon levels in Saint John homes from the 2024 survey, and C-NRPP certified testing and mitigation providers with a business address in Saint John, dated.
Photo: Julien Duguay, CC BY-SA 3.0, cropped, via Wikimedia Commons.
18.4
%Share of properties in the Saint John, NB reporting unit with radon at or above 200 Bq/m³ in the 2024 Cross-Canada Radon Survey.
0
Businesses with a business address in Saint John and at least one active C-NRPP credential, as of 2026-10-18. Providers based elsewhere may also serve Saint John.
Survey figures for the Saint John, NB reporting unit
| Measure | Value |
|---|---|
| Properties below 100 Bq/m³ (%) | 58.6 |
| Properties from 100 to 199 Bq/m³ (%) | 23.1 |
| Properties at or above 200 Bq/m³ (%) | 18.4 |
| Geometric mean (Bq/m³) | 86.2 |
| Highest observed (Bq/m³) | 1,221 |
| Sample | population 130,613 (2021 Census); approximately 300-399 properties with radon data |
2024 Cross-Canada Survey of Radon, Version 1.1 (CCSR.24.1.1), section XII, Table 1, page 43
No certified provider has a business address in Saint John yet
Providers based elsewhere may still serve Saint John. The directory lists every certified business in Canada.
Forgivable loan
Up to $18,000 forgivable for homeowner repairs (web page); the program document gives $15,000. Radon eligibility not verified. Current. As of 2026-09-18.
Grant
Up to $1,500 toward home radon mitigation. Radon is named as eligible. Current. As of 2026-09-01.
Free or subsidized testing
Radon is named as eligible. Current. As of 2026-09-18.
Province or territory
Radon by census division, and every certified provider in New Brunswick.