Most listings are in the $10's per square foot per year. The Alcoa submarket is seeing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 6% decline in rent.
In the last 90 days, 2 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 700% of the available leases in the Alcoa are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 1,190 sqft. Most properties in this market are approximately 1 stories. Most buildings in this region were built in 1986 and are Class A.