In the last 90 days, 34 listings have come on the market, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 9% of the listings in the Bismarck are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 1,690 sqft. Most buildings in this area are close to 3 floors. Most buildings in this market were built in 1987 and are Class A.