The typical asking rate per listing is in the $20's per square foot per year. The Kent region is experiencing a a rise in rates. In the last 3 months, the median rate increased $26 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Kent submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 10 listings have come on the market, which means new availabilities are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 330% of the office spaces in the Kent 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 2,670 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are around 2 floors. Most buildings in this region were built in 1986 and are Class A.