On average, listings lease in the $20's per square foot per year. The Frederick County submarket is experiencing a decrease in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 18% decrease in rent.
In the last 90 days, 37 listings have come on the market, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. About 3% of the office spaces in the Frederick County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,700 sqft. Most properties in this market are close to 3 stories. Most buildings in this region were built in 1989 and are Class A.