The typical asking rate per listing is in the $20's per square foot per year. The Williston region is going through a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 9% decline in rent.
In the last 90 days, 10 listings have come on the market, which means new listings might be going fast. You'll want to be prepared to make an offer immediately. 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 2,160 sqft. Most buildings in this region were built in 2014 and are Class B.