On average, listings lease in the $20's per square foot per year. The Butte region is seeing a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 11% increase in rent.
In the last 90 days, 5 listings have come on the market, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 20% of the available space in the Butte 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 available, so finding a space for a small business might be tough.
Even though the median size is 5,020 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are approximately 1 stories. Most buildings in this region were built in 1979 and are Class A.