The typical asking rate per listing is in the $20's per square foot per year. The Potomac Mills submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $28 per sqft per year.
Compared to the rest of the Washington D.C. market, the Potomac Mills region has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 7 listings have come on the market, which means listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 71% of the available leases in the Potomac Mills 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1999 and are Class A.