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Sales of new single-family houses in May were at a seasonally adjusted annual rate of 623,000, according to estimates released by the US Census Bureau and the Department of Housing and Urban Development. This marked a 13.7% slide from the April rate of 722,000 and is 6.3% below the May 2024 rate of 665,000; it is also the slowest sales pace since last October.

The seasonally adjusted estimate of new houses for sale at the end of May was 507,000, a 1.4% uptick from the April estimate of 500,000 and an 8.1% rise above the May 2024 estimate of 469,000. This represents a supply of 9.8 months at the current sales rate, which is 18.1% above the April estimate of 8.3 months and is 15.3% above the May 2024 estimate of 8.5 months.

The median sales price of new houses sold in May was $426,600, a 3.7% uptick from the April price of $411,400 and 3% above the May 2024 price of $414,300. The average sales price of new houses sold in May was $522,200, which is 2.2% above the April price of $511,200 and is 4.6% above the May 2024 price of $499,300.

“On a year-to-date basis, new home sales are 3.2% lower thus far in 2025,” said Robert Dietz, chief economist at the National Association of Home Builders. “As a result of slowing home sales conditions, inventory continues to rise, marking an elevated 9.8 months’ supply in May. Builders will be pulling back on construction in the months ahead due to this level of inventory.”