Compared to the rest of the Seattle Metropolitan Area market, the Issaquah submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 8 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 13% of the office spaces in the Issaquah 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 4,280 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are around 2 stories. Most buildings in this region were built in 1992 and are Class A.