The house is perfectly well located in the hills of Hollywood and is exactly as described in the ad.
Koan was very flexible regarding our check-in and check-out time.
As my friends arrived earlier than I did, I did not have the chance to meet him personally.
Two little things could be improved : A silent alarm system that does not wake up the whole house when someone enters it and a air conditioning which can be set up by the guests, as it was too cold in the house.
A very pleasant stay in LA!