The apartment is really close to the train stations, you have option of okubo station or shinokubo station, within 5-10 mins walk. The apartment is really really clean, same or better than the hotel standard.
The host Jeff is really nice, when i arrived at the Okubo station i gave him a call ask for direction, he pick up the phone right away and gave me direction to the apartment.
Whenever i have questions, he will answer it right away as well. I will definitely stay at his place again.