Most listings are in the $40's per square foot per year. The Alexandria submarket is going through a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 2% rise in rent.
Compared to the rest of the Washington D.C. market, the Alexandria submarket has higher rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 150 listings have been posted online, so you'll want to check back regularly for new listings. About 1% of the available leases in the Alexandria are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,310 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this region are approximately 4 floors. Most buildings in this market were built in 1983 and are Class B.