Compared to the rest of the Seattle Metropolitan Area market, the Lake Union submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 10 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 90% of the available space in the Lake Union are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 43,560 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are close to 2 floors. Most buildings in this region were built in 1974 and are Class B.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Information is the dominant industry in this region. Commute by taxi is the most popular way to get to work amongst Lake Union residents. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.