The typical asking rate per listing is in the $20's per square foot per year. The Auburn region is experiencing a an increase in rates. In the last 3 months, the median rate increased $9 per sqft per year. That's a 47% increase in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Auburn submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 8 listings have been listed, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. About 75% of the listings in the Auburn 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,500 sqft. Most properties in this area are approximately 1 stories. Most buildings in this market were built in 1989 and are Class B.