In the last 90 days, 248 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the listings in the South Dakota 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this area are close to 2 floors. Most buildings in this area were built in 1991 and are Class A.