Most listings are in the $10's per square foot per year. The White Marsh region is going through a a boost in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 11% increase in rent.
Compared to the rest of the Greater Baltimore market, the White Marsh submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 15 listings have come on the market, which means spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 7% of the office spaces in the White Marsh are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,470 sqft. Most properties in this market are approximately 1 floors. Most buildings in this market were built in 1990 and are Class B.