The typical asking rate per listing is in the $20's per square foot per year. The Burien submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 7% increase in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Burien submarket 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 been listed, which means new availabilities most likley are 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.
Even though the median size is 4,700 sqft, there are still 0 listings below 2,000 sqft. Most properties in this market are approximately 2 floors. Most buildings in this market were built in 1965 and are Class B.