Compared to the rest of the Greater Baltimore market, the Ellicott City submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 12 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 25% of the available leases in the Ellicott City are subleases, so you might be able to find a shorter term or below market rent. 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 2,000 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 1987 and are Class B.