The typical asking rate per listing is in the $20's per square foot per year. The Greater Baltimore region is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 5% decrease in rent.
Compared to the rest of the Greater Baltimore market, the Greater Baltimore submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 560 listings have come on the market, so you'll want to check back regularly for new listings. About 4% of the listings in the Greater Baltimore are subleases, so you will probably have to focus your search on direct office leases. 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 2,460 sqft. Most buildings in this area are close to 2 floors. Most buildings in this market were built in 1986 and are Class B.