Compared to the rest of the Washington D.C. market, the Fredericksburg submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 23 listings have been listed, which means leases are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 109% of the available space in the Fredericksburg are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,120 sqft. Most buildings in this market are around 2 floors. Most buildings in this market were built in 1974 and are Class B.