Great location - trader joe's / safeway just 3 minutes away on foot, a lot of cafes/restaurants/coffee shops/etc are very close. Seattle center is quite close (Space Needle specifically) - just 30 minutes away on foot (but beware, that way back is uphill all the time) or on car ~10 minutes (plenty of paid parking available) Quiet (keep in mind that there is playground nearby, but you didn't get to Seattle to spend whole day inside your room, didn't you?). Easily accessible by car when going in the city, even easier access out (to Seattle-Tacoma airport and highways around, Mount Rainer for example)
Great hosts - clear, easy and timely communication. Great check-in experience.
Place itself - clean, cozy. Bed is big and comfortable. Plenty of lights. Skylights (roof windows) are awesome. Enough space to keep your stuff, enough outlets to charge your stuff, enough of everything else - plates/cups/silverware/coffee/tea/etc. Pictures 100% accurate. Just keep in mind that this is a studio and you will be fine.