On average, listings lease in the $20's per square foot per year. The Duluth region is experiencing a an increase in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 11% rise in rent.
In the last 90 days, 61 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the listings in the Duluth 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 1,410 sqft. Most properties in this region are around 3 floors. Most buildings in this market were built in 1926 and are Class A.