The typical asking rate per listing is in the $30's per square foot per year. The Tukwila region is experiencing a a boost in rates. In the last 3 months, the median rate rose $30 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Tukwila submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 23 listings have come on the market, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About 243% of the available leases in the Tukwila are subleases, so you might be able to snag a great spot on a short term. 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 3,700 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are approximately 2 floors. Most buildings in this area were built in 1979 and are Class A.