42.0%
of Boise housing units were built before 1980
How Old Is Treasure Valley Housing? Lead Paint and Asbestos Exposure by City
- Source:
- U.S. Census Bureau ACS, EPA, OSHA
- Data:
- 2020 to 2024 (American Community Survey 5-year estimates)
Lead paint, asbestos and radon in Idaho homes: where the older housing is and what the rules say.
42.0%
of Boise housing units were built before 1980
25.2%
of Ada County radon tests, 2008 to 2017, were at or above EPA's action level
0.09
parts per million: the federal formaldehyde limit for particleboard
Every figure links to the public record it came from, and each study lists what the data cannot tell you. You are free to quote these figures with a link back to the study.
Other research: Housing & Permits · Remodeling Materials · Products & Efficiency · Remodeling Safety
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