The typical asking rate per listing is in the $10's per square foot per year. The Echelon submarket is going through a a rise in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 10 listings have been posted online, which means office spaces might be 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 1,240 sqft. Most buildings in this region are around 2 floors. Most buildings in this market were built in 1990 and are Class A.