Most listings are in the $20's per square foot per year. The Spokane region is experiencing a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 114 listings have been listed, so you'll want to check back regularly for new listings. About 68% of the office spaces in the Spokane 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.
The standard measurement for office space in this area is around 1,960 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this market were built in 1965 and are Class B.