The typical asking rate per listing is in the $20's per square foot per year. The Williston region is experiencing a decrease in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 9% decrease in rent.
In the last 90 days, 10 listings have come on the market, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,160 sqft. Most buildings in this market were built in 2014 and are Class B.