On average, listings lease in the $20's per square foot per year. The Manassas Park County submarket is seeing a decrease in rates. In the last 3 months, the median rate fell $6 per sqft per year. That's a 21% decline in rent.
In the last 90 days, 12 listings have been listed, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 33% of the listings in the Manassas Park County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,550 sqft. Most buildings in this area were built in 1983 and are Class A.