Lead Paint Risk in Tuolumne County, California

52.5%Pre-1978 Housing
16,520Pre-1978 Units
31,491Total Housing Units
18Census Tracts

How to Interpret This

This is an area-level screening signal based on Census housing-age data. It does not confirm lead paint in any specific home. Homes built before 1978 may contain lead-based paint, and certified inspection or testing is the only way to confirm a property-level hazard.

Reporter / Resident Story Kit

  • 16,520 housing units in Tuolumne County were built before 1978.
  • The county's pre-1978 housing share is 52.5%, compared with the state rate of 56.7%.
  • Local questions: Which neighborhoods have the oldest housing stock? Are lead-safe renovation resources available? Do renters and families with young children know how to request testing?

Highest-Risk Census Tracts

Individual census tracts ranked by pre-1978 housing percentage. Showing the top 18 of 18 tracts; download the full county tract CSV.

TractPre-1978TotalRisk Rate1970s1960s1950s1940s≤1939
Census Tract 31.021,7792,44872.7%65149950311412
Census Tract 31.031,5372,22669.0%51149019277267
Census Tract 111,1341,82962.0%32034813993234
Census Tract 31.011,2782,10860.6%636164172115191
Census Tract 22.011,6552,85258.0%1,058432138027
Census Tract 51.027631,34056.9%3181941725524
Census Tract 21.025801,03056.3%2791231251439
Census Tract 121,0851,96155.3%331178203134239
Census Tract 51.011,3642,79248.9%55229721640259
Census Tract 321,2052,49348.3%590299960220
Census Tract 21.017111,51447.0%298247824836
Census Tract 42.029012,04944.0%62618633056
Census Tract 22.025621,40040.1%36214028032
Census Tract 52.014221,05839.9%26459492525
Census Tract 41.014761,27537.3%15279909560
Census Tract 42.015981,69435.3%41630276956
Census Tract 41.024701,42233.1%251213006
Census Tract 9852.02000.0%00000