Median home value รท median household income. The single most-decision-relevant single number for "where is buying a home actually still feasible." Healthy: ~3x. Stretched: 5x. Crisis-level: 8x+. Most major metros sit in the 4-6x range; California metros and NYC have been in the crisis range for years.
Color: green = healthy (<4x), amber = stretched (4-6x), red = crisis (>6x).
Monthly P&I assumes 80% LTV at the current 30Y national mortgage rate.