Location needs refining.
On Quercus agrifolia branch.
See also:
https://www.inaturalist.org/observations/132669245
https://www.inaturalist.org/observations/199158650
https://www.inaturalist.org/observations/199764965
https://www.inaturalist.org/observations/208041696
Estimate 1.5 inches long. Seen on a wall in a shaded place. Disturbed by approaching within a few inches, then after moving it was disturbed when approached within a few feet. Appeared slightly more orange in person than in the picture