California Car Sales Tax Calculator 2026

Sales tax vs use tax

Sales tax and use tax generally use the same percentage for a location. The difference is who remits and when. California Department of Tax and Fee Administration (CDTFA) publishes the rules.

Purchasers of Vehicles · Pub 52 · Pub 34

The California trade-in rule (critical)

In California, a trade-in does not reduce the taxable selling price. CDTFA treats the trade-in as a form of payment. Tax is based on the full selling price. Our calculator sets taxable amount = price for that reason.

Illustrative comparison · 9.25% combined rate

• Price $35,000 · trade-in $12,000
• Other-state style (wrong for CA): tax on $23,000 = $2,127.50
• California (correct): tax on $35,000 = $3,237.50

Sources: CDTFA Dealers — Trade-ins · Pub 34. (Trade-ins also generally do not reduce VLF cost price—that registration rule lives on the Registration Fee Calculator.)

Which rate applies — address lookup

Statewide base is 7.25%. District taxes stack by location. For most vehicles registered in California, use the purchaser’s registration address rate from maps.cdtfa.ca.gov—then enter that combined rate in the calculator.

Illustrative location bands only — confirm on CDTFA maps

Dealer purchases

Sales tax is usually calculated in the contract. Read selling price, discounts, accessories, and documentation charges line-by-line. DMV registration fees collected for remittance are a different cost stack—estimate renewals on the Registration Fee Calculator; paperwork on the Guide.

Private-party purchases (use tax)

Private buyers generally owe use tax on the purchase price when registering unless a documented exclusion applies. Keep a bill of sale that reflects the real price. You still owe separate registration fees afterward.

Family transfers, gifts, and exclusions

Some family/gift transfers may qualify for sales/use tax exclusions or clearance under CDTFA rules. Requirements are narrow and form-driven (relationship, ownership history, documentation). Title transfer, insurance, and smog/VIN steps may still apply—process on the Registration Guide. When unsure, estimate tax as if due, then confirm exclusion with CDTFA/DMV.

Discounts, rebates, and deal-jacket charges

Leases, out-of-state, business, military

• Leases: Tax follows lease-payment rules—not a simple price × rate. Use the lessor disclosure and CDTFA lease guidance; this calculator is retail sales/use planning only.
• Out-of-state / move-in: Use tax often applies subject to Pub 52; document any tax already paid elsewhere. Registration process: Guide.
• Business: Resale certificates apply only when the purchase truly qualifies—wrongful use creates liability.
• Military: Domicile/status facts can matter—bring official documentation; fee exemptions on registration are a separate DMV topic.

Worked examples (estimated)

A. $35,000 · 9.75% · no trade-in → tax $3,412.50

B. Same · $8,000 trade-in · 9.75% → CA tax still $3,412.50

C. Private party $20,000 · 8.75% use tax → $1,750 (+ separate DMV fees)

D. $40,000 list with $2,000 documented discount · 9.5% → taxable $38,000 → tax $3,610

Official sources · methodology

• CDTFA rates · maps.cdtfa.ca.gov · Pub 34 · Pub 52
• Author: RoadTaxGuru editorial · Reviewed: July 14, 2026 · Formula: rtg-ca-tax-v1.1.0 · Rate pack: CA-TAX-2026.07
• Disclaimer: Planning estimates only—confirm address rate and contract taxable base. Not CDTFA advice.

Finished with tax? Estimate registration fees next. · Guide · EV RIF · CA hub