Most listings are in the $20's per square foot per year. The Greater Duwamish submarket is experiencing a an increase in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 9% rise in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Greater Duwamish region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 20 listings have been posted online, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 15% of the office spaces in the Greater Duwamish are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,110 sqft. Most buildings in this market are around 2 stories. Most buildings in this region were built in 1958 and are Class A.
Manufacturing is the dominant industry in this region. Commute by walking is the most popular way to get to work amongst Greater Duwamish occupants. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.