The typical asking rate per listing is in the $20's per square foot per year. The Manassas County submarket is experiencing a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 12% decrease in rent.
In the last 90 days, 35 listings have been made available, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 6% of the available space in the Manassas County are subleases, so you will probably have to focus your search on direct office leases. 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 2,190 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this region were built in 1989 and are Class B.