Compared to the rest of the Seattle Metropolitan Area market, the Sumner region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 2 listings have been posted online, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 50% of the office spaces in the Sumner 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 4,000 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 1 floors. Most buildings in this market were built in 2004 and are Class B.