On average, listings lease in the $10's per square foot per year. The Fargo region is experiencing a a rise in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 11 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 955% of the available leases in the Fargo are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 2,740 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are around 2 stories. Most buildings in this market were built in 1994 and are Class B.