
California Just Started Taxing SaaS: What Software Sellers Need to Know Before January 1, 2027
California's SB 122, signed June 29, 2026, extends sales and use tax (7.25% state rate plus local add-ons) to prewritten software and SaaS starting January 1, 2027. Custom software and cloud infrastructure like AWS stay exempt; sellers over 5 million dollars in digital receipts shift collection to purchasers. Here is what's taxable, how billing-address sourcing works, and a compliance checklist.










