On average, listings lease in the $10's per square foot per year. The Spokane region is seeing a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 12% decline in rent.
In the last 90 days, 58 listings have been posted online, so you'll want to check back regularly for new listings. 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 2,270 sqft. Most properties in this region are close to 2 stories. Most buildings in this area were built in 1968 and are Class B.