The inventory of available apartment units for sale peaked in mid-2014 and has been declining ever since. With a lower supply of product, one would expect prices to rise.
This graph shows a steady rise in the number of people searching on LoopNet for apartment property in Baltimore. There is a steady increase of buyers looking, indicating a rise in demand. I hope this information is useful in making your investment decisions in the coming new year. Feel free to contact me to discuss how this information may particularly impact you.