The typical asking rate per listing is in the $30's per square foot per year. The Ellicott City region is seeing a a rise in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 17% increase in rent.
Compared to the rest of the Greater Baltimore market, the Ellicott City region has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 20 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 880 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1986 and are Class B.