On average, listings lease in the $30's per square foot per year. The Bonney Lake submarket is going through a a rise in rates. In the last 3 months, the median rate went up $32 per sqft per year.
Compared to the rest of the Seattle Metropolitan Area market, the Bonney Lake region has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 3 listings have been listed, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 800 sqft. Most properties in this market are around 3 stories. Most buildings in this market were built in 2002 and are Class A.