The typical asking rate per listing is in the $20's per square foot per year. The Renton region is experiencing a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 2% decrease in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Renton region has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 18 listings have been made available, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 94% of the office spaces in the Renton 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 3,210 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this region were built in 1986 and are Class A.