Most listings are in the $20's per square foot per year. The Maryland region is experiencing a an increase in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 2% rise in rent.
In the last 90 days, 1130 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the available leases in the Maryland are subleases, so you will probably have to consider a longer term lease. 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 2,840 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 1984 and are Class B.