Fed's Williams: Low-rate mortgage 'lock-in' will likely linger for years

New York Fed President John C. Williams signaled that the U.S. housing market may remain stuck for an extended period, as millions of homeowners continue to sit on ultra-low mortgage rates locked in during the pandemic borrowing boom. Williams said unwinding the resulting imbalance will take years, reinforcing the view among Federal Reserve officials that the 'lock-in effect' has become one of the most persistent aftershocks of the central bank's rapid tightening cycle. Data show the slowdown remains substantial. As of Q1 2026, about 19.5% of outstanding U.S. mortgages carried rates below 3%, down from 24.6% in Q1 2021, but the improvement has been gradual. Nearly half of mortgages are still below 4%, while new mortgage rates are running around 6–7%. Fed research estimates that rate increases beginning in 2022 contributed to a 44% drop in homeowner mobility. Lower turnover has tightened supply: fewer listings mean fewer homes available, keeping prices elevated. Fed analysis points to roughly 8% home-price gains in markets where lock-in dynamics are most pronounced. Williams and other officials have suggested the pattern is now structural rather than temporary, with time the primary release valve as loans mature and life events force moves regardless of financing incentives. The Fed is also letting its mortgage-backed securities holdings run off at a measured pace of about $15–20 billion per month, a slow, market-sensitive process not aimed at quickly easing housing supply constraints. For investors, the message is that aggressive rate cuts are unlikely in the near term. If the lock-in effect is a multi-year feature of the market, officials are effectively signaling that today's rate backdrop could persist. The roughly 8% appreciation in lock-in-affected markets also acts as a form of housing-driven inflation that may not be fully captured by the Fed's preferred gauges, leaving policymakers less room to argue for significant easing while supply remains tight and prices stay high.