CA Pub Util Code Section 102332

The district shall not levy or collect a property tax within any city or within all or any part of the unincorporated area of any county until:

(a)

The legislative body of the city or county adopts a resolution declaring there is need for the district to operate and levy a tax within the city or the unincorporated area, or part thereof, of the county.

(b)

Two-thirds of the voters of the city or the unincorporated area, or part thereof, following the adoption of the resolution under subdivision (a), voting on the question at an election called for that purpose, approves the operation of the district, and the levy of a property tax by the district, within the city or within the unincorporated area, or part thereof, of the county.