As others have mentioned, in November, the 21208 zip code was about 80 days. That being said, it depends on the neighborhood -- some are selling very quickly, while other areas may take longer.
The 21209 zip code of Pikesville may have other averages as well.
December statistics should be released around the 11th.
If you would like more details about a particular Pikesville neighborhood's average time on the market, please let me know.
Keller Williams Excellence Realty