On average, listings lease in the $10's per square foot per year. The Auburn region is going through a decrease in rates. In the last 3 months, the median rate fell $7 per sqft per year. That's a 25% decrease in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Auburn submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 6 listings have been listed, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,400 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1989 and are Class B.