The typical asking rate per listing is in the $10's per square foot per year. The Monroe region is experiencing a a boost in rates. In the last 3 months, the median rate went up $18 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Monroe region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 2 listings have come on the market, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,230 sqft. Most properties in this market are approximately 2 stories. Most buildings in this market were built in 1987 and are Class C.