Most listings are in the $10's per square foot per year. The Idaho region is seeing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 3% decrease in rent.
In the last 90 days, 529 listings have come on the market, so you'll want to check back regularly for new listings. About 4% of the available space in the Idaho are subleases, so you will probably have to consider a longer term lease. 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 2,000 sqft. Most properties in this area are around 1 stories. Most buildings in this market were built in 1991 and are Class A.