Most listings are in the $10's per square foot per year. The Cheval submarket is going through a a boost in rates. In the last 3 months, the median rate rose $18 per sqft per year.
In the last 90 days, 1 listings have been listed, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,270 sqft. Most buildings in this market are approximately 1 floors. Most buildings in this area were built in 1951 and are Class Class A.