U.S. Home Price Growth Cools to Nearly Two Year Low

U.S. home prices rose at their slowest pace in nearly two years, according to the latest S&P CoreLogic Case-Shiller Index. National prices were up 2.7% year-over-year in April, down from 3.4% in March, and marking the weakest growth since mid-2023. The data reflects both elevated borrowing costs and shifting buyer behavior in a high-rate environment.

Mortgage Rates Are Driving the Slowdown

Throughout April, mortgage rates hovered in the mid-6% range, keeping monthly payment burdens near generational highs. The affordability squeeze has been particularly acute for first-time buyers, whose share of home purchases fell to just 30% in May, well below the long-term average of around 40%, according to the National Association of Realtors.

This reduced demand is weighing most heavily on markets that saw the sharpest price gains during the pandemic. Sun Belt cities like Tampa (-2.2%), Dallas (-0.2%), and Phoenix (+1.1%) have cooled dramatically, while former high-flyers like San Francisco remain flat. By contrast, New York (+7.9%), Chicago (+6.0%), and Detroit (+5.5%) are seeing continued price strength—highlighting a reversal of the early-pandemic trend that saw buyers flocking south, west, and away from urban areas.

Regional Disparities and Shifting Dynamics

The Case-Shiller 20-City Composite Index rose 3.4% in April, down from 4.1% in March. The broader 10-City Composite saw an even sharper slowdown, from 4.8% to 4.1%. Both measures came in below Wall Street expectations, underscoring how quickly the high-rate environment is rippling through the housing sector.

While demand has softened, housing supply remains tight. New construction continues to lag behind population growth, and existing homeowners—many of whom locked in sub-4% mortgages during the pandemic—remain reluctant to sell. This dynamic has prevented a more dramatic decline in prices and continues to support valuations even as affordability erodes.

Looking Beyond the Headline Numbers

The Case-Shiller index reflects a three-month moving average based on closed sales, which typically lag purchase decisions by one to two months. That means April’s data mostly reflects buying decisions made in February and March, a period when mortgage rates briefly pushed above 7% before pulling back slightly.

Despite the cooling, price declines remain limited. Just 6% of current sellers are at risk of taking a loss, according to Redfin. That’s only modestly higher than a year ago and still historically low. The market continues to defy predictions of a widespread correction.

Why It Matters

This data highlights a market at a crossroads. High borrowing costs are undermining demand and reshaping regional trends, but tight supply continues to insulate home prices from steep declines. The current slowdown looks less like a bubble popping and more like a recalibration, one shaped by structural supply constraints, demographic shifts, and interest rate sensitivity.

As the Federal Reserve continues to weigh the path of rates and the labor market remains resilient, the housing sector remains a key barometer for broader economic conditions, and a reminder of the limits of monetary policy in resolving supply-driven imbalances.