The apartment building is located perfectly if you're planning on visiting the main tourist spots in the downtown Seattle area. Most places are in short walking-distance, including Pike Place Market. Since it's right next to Capitol Hill, you've also got a ton of great dining spots just a few minutes away.
Apartment was clean and tidy, and had lots of extra items on hand in case you forgot anything while traveling and kitchen has all the tools needed in case you wanted to stay in and cook during your stay.
If you're more than two people, you'll definitely need to blow up the inflatable bed, but that was super easy and bed was comfortable (I can attest to it, as I was the one in my group to sleep on it every night during our stay: ) )