On average, listings lease in the $10's per square foot per year. The Montana submarket is seeing a a rise in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 229 listings have been listed, so you'll want to check back regularly for new listings. About 80% of the available space in the Montana are subleases, so you might be able to find a shorter term or below market rent. 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 1,300 sqft. Most properties in this area are close to 2 floors. Most buildings in this area were built in 1982 and are Class C.