On average, listings lease in the $10's per square foot per year. The Bozeman submarket is going through a decrease in rates. In the last 3 months, the median rate fell $5 per sqft per year. That's a 22% decline in rent.
In the last 90 days, 13 listings have been posted online, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,770 sqft. Most buildings in this market are close to 2 floors. Most buildings in this market were built in 2000 and are Class A.