On average, listings lease in the $120's per square foot per year. The Frederick County submarket is going through a an increase in rates. In the last 3 months, the median rate went up $127 per sqft per year.
In the last 90 days, 4 listings have been posted online, which means listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,800 sqft. Most buildings in this area are approximately 1 stories. Most buildings in this market were built in 1994 and are Class A.