KEY POINTS
  • The major constraint in the housing market is the lack of supply, MBA's Mike Fratantoni says.
  • That's driving home prices higher and adding insult to injury for homebuyers with stagnated earning power, he says.
  • This appetite for housing comes even before the peak of the millennial generation reaches first-time homebuyer age, Fratantoni says.

Not enough for-sale signs in front yards are driving residential home prices higher, the chief economist at the Mortgage Bankers Association said Tuesday.

Compounding the problem is that Americans' wage growth is being left far behind, according to the MBA's Mike Fratantoni. "We're still seeing home prices increase at twice the rate of income growth," he told CNBC's "Squawk Box."