California Proposition 30, Sales and Income Tax Increase ...
ballotpedia.org › California_Proposition_30,_SalesNov 06, 2012 · Overview. Proposition 30 was designed to increase the state sales tax and state income tax for limited periods of time. The sales tax increased from 7.25% to 7.50% for four years. The ballot initiative also created four new income tax brackets and tax rates for incomes exceeding $250,000, $300,000, $500,000 and $1,000,000 (for single payers ...