The typical asking rate per listing is in the $10's per square foot per year. The Billings region is going through a an increase in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 22% increase in rent.
In the last 90 days, 45 listings have been posted online, so you'll want to check back regularly for new listings. About 116% of the listings in the Billings 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 1,350 sqft. Most properties in this market are close to 2 stories. Most buildings in this market were built in 1979 and are Class A.