Lead Paint Risk in Ontario, CA
50.7%Pre-1978 Housing
27,873Pre-1978 Units
54,951Total Housing Units
ElevatedRisk Level
How to Interpret This
This is an area-level estimate based on Census housing-age data for Ontario. It does not prove whether a specific home contains lead paint. If a home was built before 1978, certified lead inspection/testing is the reliable next step before renovation or when young children may be exposed.
How Ontario Compares
What This Means for Ontario Residents
Ontario has an elevated level of pre-1978 housing (50.7%). A significant portion of homes predate the lead paint ban. If your home was built before 1978, consider having it tested for lead paint.
Check a Specific Address in Ontario
Get a more detailed risk assessment for a specific address.