Most listings are in the $20's per square foot per year. The Coeur d'Alene region is experiencing a an increase in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 23 listings have been made available, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 9% of the listings in the Coeur d'Alene are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,520 sqft. Most buildings in this market are close to 1 floors. Most buildings in this region were built in 1949 and are Class B.