Most listings are in the $20's per square foot per year. The Oak Ridge region is experiencing a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 36% increase in rent.
In the last 90 days, 2 listings have been posted online, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 1,300% of the listings in the Oak Ridge 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 370 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this market were built in 0 and are Class A.