On average, listings lease in the $20's per square foot per year. The Renton submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $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 less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 18 listings have come on the market, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 78% of the available space 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 available, so finding a space for a small business might be tough.
Even though the median size is 3,210 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are around 2 stories. Most buildings in this area were built in 1986 and are Class A.