Most listings are in the $20's per square foot per year. The Lakewood region is going through a a rise in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 40% increase in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Lakewood submarket has smaller rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 6 listings have been listed, which means listings might be 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 available, 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 properties in this region are around 2 stories. Most buildings in this area were built in 1982 and are Class C.