On average, listings lease in the $30's per square foot per year. The Manassas Park region is experiencing a a boost in rates. In the last 3 months, the median rate rose $0 per sqft per year. That's a 1% increase in rent.
Compared to the rest of the Washington D.C. market, the Manassas Park region has more expensive rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 12 listings have been listed, which means new availabilities 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 200 sqft. Most buildings in this region were built in 1983 and are Class B.