Most listings are in the $10's per square foot per year. The Winchester County submarket is going through a decline in rates. In the last 3 months, the median rate fell $2 per sqft per year. That's a 11% decline in rent.
In the last 90 days, 10 listings have been made available, which means office spaces 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 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 930 sqft. Most properties in this market are approximately 2 floors. Most buildings in this market were built in 1995 and are Class A.