Cal. Health & Saf. Code § 42302.1
Within 30 days of any decision or action pertaining to the issuance of a permit by a district, or within 30 days after mailing of the notice of issuance of the permit to any person who has requested notice, or within 30 days of the publication and mailing of notice provided for in Section 1 of Chapter 1131 of the Statutes of 1993, any aggrieved person who, in person or through a representative, appeared, submitted written testimony, or otherwise participated in the action before the district may request the hearing board of the district to hold a public hearing to determine whether the permit was properly issued. Except as provided in Section 1 of Chapter 1131 of the Statutes of 1993, within 30 days of the request, the hearing board shall hold a public hearing and shall render a decision on whether the permit was properly issued.
Ca. Health and Saf. Code § 42302.1