Most listings are in the $10's per square foot per year. The Spokane County submarket is experiencing a a rise in rates. In the last 3 months, the median rate rose $20 per sqft per year.
In the last 90 days, 177 listings have come on the market, so you'll want to check back regularly for new listings. About 169% of the listings in the Spokane County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,460 sqft. Most properties in this area are approximately 2 floors. Most buildings in this region were built in 1977 and are Class B.