Compared to the rest of the Seattle Metropolitan Area market, the Tukwila submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 8 listings have been made available, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 13% of the available space in the Tukwila are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,010 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1979 and are Class A.