According to the most recent market reports, condo prices remained flat in December, the gap between luxury and non-luxury rentals shrunk, and all three Manhattan office submarkets experienced negative absorption in the final quarter of 2016. Residential Condo and co-op sales report | CityRealty The average sales price for condos and co-ops in remained flat between November and December, coming in at $2.3 million. Read the full report here.