On average, listings lease in the $20's per square foot per year. The Mountlake Terrace submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 7% increase in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Mountlake Terrace submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 2 listings have been posted online, which means office spaces most likley are going fast. 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 2,660 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are approximately 3 stories. Most buildings in this region were built in 1989 and are Class A.