Most listings are in the $20's per square foot per year. The Snohomish County region is going through a an increase in rates. In the last 3 months, the median rate rose $9 per sqft per year. That's a 46% increase 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 72% of the available leases in the Snohomish County 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,090 sqft. Most properties in this region are close to 2 floors. Most buildings in this region were built in 1987 and are Class B.