Most listings are in the $30's per square foot per year. The Seattle submarket is seeing a decline in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 11% decline in rent.
In the last 90 days, 460 listings have come on the market, so you'll want to check back regularly for new listings. About 10% of the available leases in the Seattle 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 posted, so finding a space for a small business might be tough.
Even though the median size is 3,300 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this area are close to 3 stories. Most buildings in this market were built in 1982 and are Class A.