Most listings are in the $20's per square foot per year. The Snohomish County region is going through a decline in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 5% decline in rent.
In the last 90 days, 90 listings have come on the market, so you'll want to check back regularly for new listings. About 4% of the available space in the Snohomish County 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 3,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are around 2 floors. Most buildings in this region were built in 1990 and are Class A.