Most listings are in the $40's per square foot per year. The Mercer Island submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $4 per sqft per year. That's a 9% rise in rent.
Compared to the rest of the Seattle Metropolitan Area market, the Mercer Island submarket has more expensive rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 4 listings have come on the market, which means new listings might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 25% of the office spaces in the Mercer Island are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 2,720 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are close to 2 floors. Most buildings in this area were built in 1984 and are Class B.