Metrostudy economist Brad Hunter said so on Bloomers radio moments ago.
I’m not sure what he classes as “normal” as I’m not sure of the context in which he made the comment but looking at the history we’ve been a long long way from normal for quite a while.
US housing starts history
According the company blurb Metrostudy is “The nations leading provider of primary & secondary market information to the housing, retail and industries worldwide.” for what it’s worth.