Is this lizard protected or endangered?
It appears to be a California Alligator Lizard - Elgaria multicarinata (subspecies multicarinata), although another photo from the side would be helpful for a positive ID. This species seems to fit the range for the observation as well.

According to CaliforniaHerps.com, there are no associated conservation concerns for this particular species.

Elgaria multicarinata multicarinata conservation status