They offered this tour 4-6pm & 7-9pm. And our tour would go dark at 5pm so I expected that they had some sites that were proven to be good viewing at night. Unfortunately, that was not the case. The last 10 or so places we went for the last hour of our tour, went like this: Over here is Sylvester Stallone's place, or Oprah's place - you could see it, if it wasn't so dark.. no - sorry you won't see much tonight.
The only view we had of the Hollywood sign, was from the city streets below, walking distance from where we started the tour in a souvenir shop. The sign is not illuminated, so most of our crew was disappointed.
Our tour guide MIKE was very nice, and very informed and chatted everyone up very engagingly. But he said he was new to this company, and did not have everything lined up, yet for this tour experience to go smoothly. He was super familiar with driving around town, and sites and houses we could see - had they all been viewable. He also was prepared with blnkets etc, for when the open air bus with no windows, picked up every chilly breeze around us. So I would guess this tour goes way better in the early hours of winter. A sunset tour, is not recommended - several grumbling groups on my bus, seemed to agree with me.