Most listings are in the $20's per square foot per year. The Frederick County region is going through a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 38% increase in rent.
In the last 90 days, 113 listings have been made available, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet on the market, 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 1988 and are Class A.