If I read it right (Factory Service Manual) it is 0.810", that is factory rotors. I'm not sure is would be the same for different replacements.
But the question is why do you need a Brake and Light inspection? I have lived in California all my life (50+) and never needed one on any of my cars purchased locally and from out of state.
Hmmm, okay. It's not a purchase, car was hit and totaled out and this is part of salvage title stuff as we've rebuilt it and trying to get it back on the road again. Pain in the ***