Tracy was a fantastic host and was excellent with communications with us. The house has a huge, open space kitchen and living room area, which was perfect for our family to gather in each morning and evening. There is a small bedroom with a bunk bed (full bed on the bottom, twin on the top), another small bedroom with a queen size, and then a huge master bedroom with a king size bed and its own bathroom. The place is very well maintained and incredibly clean. Sheets and towels and toiletries were all provided, which minimized our travel bags and/or Target runs once we got there. We happened to be there during the hottest days the Northwest has seen in over 100 years and the air conditioning worked great! Our in-laws even ended up coming over to our rental for dinner since their house (like many in Seattle) doesn't have AC and it was very much needed with 100+ temperatures!
There are a series of carpeted steps (about 15 of them) that you have to go up to access the property, as it is the top floor of a duplex house. Not a big deal for our family, but if you don't like (or can't do) stairs then that could be a problem. There are also signs asking you to be quiet at night, as the house has hardwood floors and if there is a renter in the downstairs unit then it could be noisy for them. The backyard and driveway are also shared with that downstairs unit, so be mindful of that if you're looking for something super private.
Being from a city myself (Washington DC) I would describe the neighborhood as "up and coming". It's not a well-groomed touristy neighborhood (it's mainly just other houses, very similar to this one) but we also didn't feel unsafe walking around during the day (we stayed here because my in-laws live a few blocks north of here in the Columbia City neighborhood). With a young kid, we head to bed early so we didn't wander around the neighborhood at night, but the outside noises were like any other city in the evening - people talking, the occasional siren, random dogs barking, and Seattle apparently really likes fireworks, so we heard lots of those about every night (which was not such a surprise for us as DC likes to do fireworks every night after a baseball game!). If you're from a quiet town or more gated community then this might be a bit too urban a neighborhood for your Seattle visit.
Overall we really enjoyed our stay, have no complaints, and will likely stay here again on our next trip to visit family!