Most listings are in the $20's per square foot per year. The Federal Way submarket is going through a an increase in rates. In the last 3 months, the median rate rose $21 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Federal Way region has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 13 listings have been made available, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 5,120 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are around 2 floors. Most buildings in this area were built in 1993 and are Class A.