California Code, Government Code - GOV § 65903

A board of appeals, if one has been created and established by local ordinance, shall hear and determine appeals from the decisions of the board of zoning adjustment or the zoning administrator, as the case may be. Procedures for such appeals shall be as provided by local ordinance. Such board may reverse or affirm, wholly or partly, or may modify the order, requirement, decision or determination appealed from, and may make such order, requirement, decision, or determination as should be made, and such action shall be final.