Most listings are in the $30's per square foot per year. The Avon submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $8 per sqft per year. That's a 35% increase in rent.
In the last 90 days, 4 listings have been posted online, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 75% of the available space in the Avon are subleases, so you might be able to snag a great spot on a short term. 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 1,480 sqft. Most properties in this area are approximately 2 floors. Most buildings in this area were built in 1993 and are Class A.