Most listings are in the $20's per square foot per year. The Bentonville submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 2% increase in rent.
In the last 90 days, 32 listings have been made available, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 3% of the listings in the Bentonville are subleases, so you will probably have to focus your search on direct office leases. 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 1,290 sqft. Most properties in this market are around 1 floors. Most buildings in this region were built in 2000 and are Class B.