Key facts
- Florida and California had the highest number of at-risk counties in ATTOM's Q1 2026 analysis.
- Tennessee had the most low-risk counties.
- Unemployment and foreclosure rates are driving housing market risk.
ATTOM's first quarter 2026 analysis of housing market risk revealed that Florida and California counties are the most vulnerable. These states reported the highest number of counties facing significant risk. In contrast, Tennessee emerged with the largest concentration of counties deemed low-risk. The report specifically points to rising unemployment rates and increasing foreclosure rates as the primary factors contributing to this elevated housing market risk across the nation.