The typical asking rate per listing is in the $10's per square foot per year. The Fargo submarket is going through a decrease in rates. In the last 3 months, the median rate fell $0 per sqft per year. That's a 1% decline in rent.
In the last 90 days, 11 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 400% of the listings in the Fargo 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,970 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are close to 2 floors. Most buildings in this area were built in 1994 and are Class B.