Had a great, quiet, caffeine filled stay in Portland thanks to Aaron's place. It was incredibly spacious and very reasonably priced for the length of my stay. Communication was consistently good, with the feeling that no question was too small or too big for Aaron to field.
The place includes a large bedroom, an ample kitchen area, and enough lounging space to really get your comatose on. There is a little bit of noise leaking between floors (I suspect both ways) - late night footsteps, but nothing notable enough to be a detraction.
As for location, Aaron's place is two blocks away from a fantastic cafe (Cellar Door) that has done the best latte I've encountered in this country so far. There's microbreweries and restaurants sprinkled across the suburb, and even late at night the streets feel very tranquil and safe.
There's no laundry facilities in the house, mind you, so your best bet for clean clothes is a 25 minute walk (or 4 minute Lyft) north to a very friendly, clean and spacious laundromat (Belmont Eco).
Would absolutely recommend Aaron's place to a single or group traveller!