The typical asking rate per listing is in the $10's per square foot per year. The Alexandria region is going through a an increase in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 17% rise in rent.
In the last 90 days, 27 listings have been made available, which means new listings most likley are 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,690 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this market are close to 1 floors. Most buildings in this area were built in 2003 and are Class A.