On average, listings lease in the $10's per square foot per year. The Monroe region is seeing a a rise in rates. In the last 3 months, the median rate increased $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 discounted submarket.
In the last 90 days, 2 listings have come on the market, which means spaces 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 on the market, 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 buildings in this market are close to 2 stories. Most buildings in this region were built in 1987 and are Class C.