Most listings are in the $10's per square foot per year. The Sandpoint submarket is seeing a a rise in rates. In the last 3 months, the median rate rose $16 per sqft per year.
In the last 90 days, 2 listings have been made available, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 450% of the available space in the Sandpoint 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 290 sqft. Most properties in this market are close to 2 stories. Most buildings in this market were built in 1960 and are Class A.