On average, listings lease in the $20's per square foot per year. The Lakewood region is going through a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 11% decrease in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Lakewood submarket has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 6 listings have been made available, 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,700 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 1980 and are Class C.