A quarterly survey of Manhattan co-op and condo sales.

…Housing prices in Manhattan continue to remain stable. The median sales price of a Manhattan apartment was $911,333 in the third quarter, essentially unchanged from $914,000 in the prior year quarter and up 7.2% from $850,000 in the prior quarter. The other price indicators offset each other. Average sales price slipped 1.5% to $1,464,528 from $1,487,472 in the same period last year and edged above $1,455,098 from the prior quarter. Price per square foot increased 3.2% to $1,130 from $1,095 in the prior year quarter and increased 5.8% from $1,068 in the prior quarter…