On average, listings lease in the $20's per square foot per year. The Edgewater submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $25 per sqft per year.
Compared to the rest of the Greater Baltimore market, the Edgewater region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 3 listings have come on the market, which means new availabilities most likley are going fast. 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.
The standard measurement for office space in this area is around 1,600 sqft. Most properties in this market are close to 2 stories. Most buildings in this region were built in 2002 and are Class B.