The second graph shows indexes by sector.
The multifamily sector is now above the previous peak. The office sector is lagging.
Note: These are repeat sales indexes - like Case-Shiller for residential - but this is based on far fewer pairs.
Read more at http://www.calculatedriskblog.com/2014/11/costar-commercial-real-estate-prices.html#Dw8T3wRGJAWpOwvt.99