The typical asking rate per listing is in the $30's per square foot per year. The Reston submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 8% increase in rent.
Compared to the rest of the Washington D.C. market, the Reston submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 33 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 15% of the available space in the Reston are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,790 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this market are around 5 floors. Most buildings in this region were built in 1987 and are Class A.