The typical asking rate per listing is in the $20's per square foot per year. The Bothell submarket is going through a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 11% decline in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Bothell region has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 17 listings have been posted online, which means office spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the listings in the Bothell are subleases, so you will probably have to consider a longer term lease. 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 18,020 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1998 and are Class A.