In summary, Jason was a great host! His place is exactly as described, and Jason made it easy to feel like a local right from the start. Our schedules aligned nicely and we were able to work out meeting at the Ikebukuro train station upon my arrival from Narita airport. Regardless, directions to his place were easy to follow, so a first-time visitor to Japan would not have any trouble finding his place (though a map is recommended, just in case).
Jason's place is clean, quiet, and tucked away in a nice little neighborhood just north of the Ikebukuro station - one of Tokyo's main stations to get you easily all over Tokyo.
If you're looking for a place close enough to all of the action Tokyo has to offer, and a host who's friendly, helpful, and super accommodating, stay here!