On average, listings lease in the $20's per square foot per year. The Baltimore region is going through a decrease in rates. In the last 3 months, the median rate decreased $15 per sqft per year. That's a 34% decline in rent.
Compared to the rest of the Greater Baltimore market, the Baltimore submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 58 listings have been made available, so you'll want to check back regularly for new listings. 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 1,550 sqft. Most properties in this market are close to 3 floors. Most buildings in this market were built in 1963 and are Class A.