On average, listings lease in the $30's per square foot per year. The Lorton region is going through a a rise in rates. In the last 3 months, the median rate went up $30 per sqft per year.
Compared to the rest of the Washington D.C. market, the Lorton submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 3 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 12,520 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this region are close to 1 stories. Most buildings in this area were built in 2000 and are Class A.