Pierre's place was wonderful.
Location wise: It's located in a Chinatown area with a lot of opinions for food and shopping. There's a convenient store and pharmacy next to the building. An ATM and access to the metro is just around the corner. It's a 15-20 minute drive to popular attractions like the Eiffel Tower, the Louvre and ARC of triomphe.
Apartment wise: The apartment was great. It looks exactly as it is in the pictures. It had everything we needed to cook, clean, and shower. The beds were very comfy, I think the mattresses were foam because it was soft yet firm. The only thing we didn't like was that the toilet was in a separate room from the shower and sink. So when you use the toilet you would have to leave that room and walk to the other room to wash your hands. There's a trick to open the front door, and there's no AC. Thankfully we were out for most of the day and the nights were cool.
Overall the stay was nice. I would recommend this place to stay if you want to stay in the city.