US building permits fell 10.8% month-on-month in March 2026, reaching a seasonally adjusted annual rate of 1.372 million, the lowest since August 2025. In February, building permits rose 11%. Permits for buildings with five or more units dropped by 23.5% to an annualized rate of 427 thousand, while single-family permits decreased by 3.8% to 895 Thousand. Regionally, permits declined in the Northeast (-29% to 115 thousand), the Midwest (-2.3% to 214 thousand), in the South (-7.7% to 717 thousand), and in the West (-14.2% to 326 thousand).