On average, listings lease in the $10's per square foot per year. The Sandpoint region is experiencing a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 13% increase in rent.
In the last 90 days, 22 listings have come on the market, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 450 sqft. Most buildings in this area are around 2 stories. Most buildings in this market were built in 1964 and are Class A.