Stephon Marbury Mansion Sold At A Foreclosure Auction

According to new court docs, obtained by TMZ, Stephon owed $3.1 million on the 7-bdrm 8-bath 8,000 sq. ft. L.A. property -- and the house was just sold to a lucky buyer for $2.275 million.

The docs don't say whether the bank plans to go after Marbury for the balance -- or if this settles his debt.