LA County Sales Tax Rises to 10.25% Today: See Your City’s Rate by SP Team October 5, 2026 0 Incident Date: October 1, 2026Incident Location: Los Angeles, Los Angeles, CA LOS ANGELES, CA - Shoppers across Los Angeles County will begin paying a higher sales tax on taxable purchases Thursday, Oct. 1, as the voter-approved Measure ER takes effect and ...