The typical asking rate per listing is in the $10's per square foot per year. The Catonsville submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $18 per sqft per year.
Compared to the rest of the Greater Baltimore market, the Catonsville submarket has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 15 listings have been listed, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 7% of the office spaces in the Catonsville 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,178 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1985 and are Class B.