The decline was the biggest monthly drop since January 1994 and the starts pace was the lowest since April.
Ground breaking for new homes slid to a seasonally adjusted annual rate of 1.603 million units last month from a downwardly revised 1.810 million rate in September. But building permits, an indication of builder confidence, rose 1.7 percent to 1.763 million units from 1.733 million units the preceding month.