Most listings are in the $20's per square foot per year. The Bothell region is experiencing a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 3% decline in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Bothell submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 22 listings have been posted online, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 5% of the available space in the Bothell are subleases, so you will probably have to focus your search on direct office leases. 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 5,770 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are approximately 2 floors. Most buildings in this area were built in 1996 and are Class A.