On average, listings lease in the $20's per square foot per year. The Springfield region is going through a decrease in rates. In the last 3 months, the median rate decreased $6 per sqft per year. That's a 20% decrease in rent.
Compared to the rest of the Washington D.C. market, the Springfield submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 6 listings have been posted online, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,600 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1981 and are Class C.