Most listings are in the $20's per square foot per year. The Bentonville submarket is going through a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 8% rise in rent.
In the last 90 days, 35 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 103% of the available space in the Bentonville 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 posted, so finding a space for a small business might be tough.
Even though the median size is 2,640 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are close to 1 stories. Most buildings in this area were built in 2003 and are Class B.