Lead Paint Risk in San Marcos, CA

27.8%Pre-1978 Housing
8,974Pre-1978 Units
32,255Total Housing Units
ModerateRisk Level

How to Interpret This

This is an area-level estimate based on Census housing-age data for San Marcos. 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 San Marcos Compares

San Marcos
27.8%!<(MISSING)/span>
California
56.7%!<(MISSING)/span>
National Average
50.5%!<(MISSING)/span>

What This Means for San Marcos Residents

San Marcos has a moderate mix of housing ages (27.8% pre-1978). While area-wide risk is moderate, individual older homes may still contain lead paint. Check your home's build year.

Check a Specific Address in San Marcos

Get a more detailed risk assessment for a specific address.