Compared to the rest of the Greater Baltimore market, the Ellicott City region has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 12 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 17% of the available space in the Ellicott City are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,740 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1986 and are Class B.