California Code, Streets and Highways Code - SHC § 25350

All district taxes shall be collected in behalf of the district by the proper county officers in the several counties in the district at the same time and in the same form and manner as county taxes, and district taxes shall become due and payable in the same time and manner as county taxes are due and payable and shall become delinquent at the same times and in the same proportionate amounts and bear the same proportionate penalties and interest after delinquency as do county taxes, and, unless expressly provided to the contrary, all laws applicable to the levy, collection and enforcement of county taxes are hereby made applicable to district taxes.