
How much is the Los Angeles combined sales tax rate
Being the largest city of the State of California Los Angeles has a sales tax rate of 9.75% combined. Los Angeles has one of the highest sales taxes in United States. The State of California only has an 8.25% state sales tax but a supplementary sales tax may be added with the voters' approval.
The sales taxes are charged on vehicle purchases, gasoline, and ready to eat hot foods and restaurant bills. Unprepared foods are exempted from sales tax as well as livestock's, plants and seeds.
http://en.wikipedia.org/wiki/Sales_taxes_in_the_United_States#California

