Cal. Bus. & Prof. Code § 5009.5

In the interest of protecting the privacy of applicants and licensees, an email address provided by applicants or licensees to the board pursuant to this chapter shall not be considered a public record and shall not be disclosed pursuant to Section 27 or pursuant to a request under the California Public Records Act (Division 10 (commencing with Section 7920.000) of Title 1 of the Government Code), unless required pursuant to a court order by a court of competent jurisdiction.