On average, listings lease in the $20's per square foot per year. The Towson submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $26 per sqft per year.
Compared to the rest of the Greater Baltimore market, the Towson region has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 38 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 63% of the office spaces in the Towson are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,820 sqft. Most properties in this area are around 4 floors. Most buildings in this market were built in 1977 and are Class B.