On average, listings lease in the $20's per square foot per year. The Echelon region is going through a a boost in rates. In the last 3 months, the median rate went up $23 per sqft per year.
In the last 90 days, 10 listings have been listed, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 210% of the available leases in the Echelon are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 3,600 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are close to 2 floors. Most buildings in this area were built in 1986 and are Class A.