My best guess is that it was taken from the rear deck of one of the houses on the east side of East Avenue, around here:
https://www.google.com/maps/@34.748264,-112.1105692,224m/data=!3m1!1e3
At a couple of points (eg 0:13 and 0:37) you can see cars driving along State Route 89A in the bottom of the valley. The lights visible at the left at the end of the video seem to be the stores/studios prominent on the hilltop in the picture above.
None of which really helps to identify the light ... Read even more
