California Car Sales Tax by County: Rates, Trade-Ins, and Exemptions

California car sales tax by county ranges from 7.25% to 10.75%, built from a 7.25% statewide base plus local district taxes that vary city by city. Your rate is set by where you register the vehicle, not where you buy it, so the county line you live inside determines the bill. The gap between the cheapest and most expensive jurisdictions can add well over a thousand dollars to the same car.

The 7.25% Statewide Floor

Every vehicle sale in California starts at 7.25%. That figure combines the state’s general fund sales tax, a local revenue fund share, and a county transportation component, and the California Department of Tax and Fee Administration applies it to all sales of tangible personal property, which includes every car, truck, and motorcycle sold or used in the state.1California Department of Tax and Fee Administration. Sales and Use Tax in California The underlying authority sits in Revenue and Taxation Code Sections 6051 and 6201.2California Department of Tax and Fee Administration. California Revenue and Taxation Code 6051 – Imposition and Rate of Sales Tax

No county charges less. Only a handful of unincorporated areas sit at the bare 7.25%, and most buyers pay well above it once local taxes stack on.

Local District Taxes Push the Rate Higher

Cities and counties add their own Transactions and Use Taxes on top of the state floor. Voters approve these measures to fund things like transit, road repairs, and emergency services, and a single purchase can be hit by several stacked measures at once: a county transportation tax, a city infrastructure tax, and a regional transit authority tax can all apply to the same car.1California Department of Tax and Fee Administration. Sales and Use Tax in California

The CDTFA refreshes its rate tables every quarter, most recently effective January 1, 2026.3California Department of Tax and Fee Administration. California City and County Sales and Use Tax Rates Neighboring cities in the same county can differ by a full percentage point, so look up your exact city before you finalize a deal.

Rates in Major California Counties

Here is where the major population centers land as of January 1, 2026, using the CDTFA’s published tables.3California Department of Tax and Fee Administration. California City and County Sales and Use Tax Rates Rates vary by city inside each county, so these are ranges.

  • Los Angeles County is consistently among the highest in the state. Most cities fall between 9.75% and 10.50%, and Azusa, Compton, and Culver City hit 10.75%. On a $40,000 vehicle at 10.50%, that’s $4,200 in tax.
  • Alameda County runs high too, with unincorporated areas at 10.25% and Alameda and Albany at 10.75%.
  • Santa Clara County ranges from 9.125% in cities like Cupertino to 9.875% in Campbell.
  • Orange County is noticeably cheaper at 7.75% for most cities, with a few like Buena Park at 8.75%.
  • San Diego County sits mostly at 7.75%, though Chula Vista, Del Mar, and Escondido charge 8.75%.
  • Riverside County starts at 7.75% in many cities, reaches 8.75% in several, and climbs to 9.25% in Cathedral City.

The practical spread is real money. A $40,000 car costs about $3,100 in tax in most of Orange County and about $4,300 in parts of Alameda County. Build the higher number into your budget from the start if you live in a high-rate city.

Your Registration Address Sets the Rate

California ties your vehicle tax to where you register the car, sometimes called the garaged address. If you live in a city with a 10.50% rate and drive to a city with 7.75% to buy, you still owe 10.50%. The dealer collects tax based on your registration paperwork, and the DMV checks the residence on your title application.

The system prevents shopping across county lines for a lower rate. It also cuts the other way: if you move to a higher-rate city after buying, you don’t owe more on the earlier purchase. The rate locks in at the time you buy and register.

Active-duty service members stationed in California sometimes assume the Servicemembers Civil Relief Act shields them. It doesn’t. The CDTFA has stated that the SCRA protects nonresident service members from state property and income taxes but does not exempt them from California’s use tax on vehicle purchases.4California Department of Tax and Fee Administration. Sales and Use Tax Annotations – 580.0380

Trade-Ins Do Not Reduce Your Taxable Price

California taxes the full purchase price of the vehicle even when you trade in another car. Many states let you subtract the trade-in value first. California does not. The CDTFA’s own example: buy a $5,000 vehicle and hand over a $3,000 trade-in plus $2,000 cash, and you owe tax on the entire $5,000.5California Department of Tax and Fee Administration. Tax Guide for Purchasers of Vehicles

Even a straight vehicle-for-vehicle swap with no cash triggers tax. The CDTFA treats the fair market value of the car you gave up as your purchase price for the one you received. Trade a car worth $5,000, owe use tax on $5,000.5California Department of Tax and Fee Administration. Tax Guide for Purchasers of Vehicles On higher-value trades, the tax on that phantom amount can run into thousands.

Private Party and Out-of-State Purchases

When you buy from another person instead of a dealer, no one collects tax at the sale. The obligation still exists as use tax, at the same rate as sales tax for your area. You typically pay it when you register at the DMV. Payment is due by the last day of the month following your purchase month, and missing the deadline starts penalty and interest running.5California Department of Tax and Fee Administration. Tax Guide for Purchasers of Vehicles If you buy but don’t register through the DMV, you still owe the use tax directly to the CDTFA.

The agencies also watch for suspiciously low reported prices. Claim $500 for a car that books at $8,000 and expect questions, or a fair-market-value assessment instead. A signed bill of sale with the actual price helps but won’t override a valuation review when the number looks implausible.

Buying in another state doesn’t skip California tax. When you bring the vehicle home and register it, California charges use tax at your local rate, with a credit for any sales or use tax you already paid to the other state, up to the amount you owe California.6California Department of Tax and Fee Administration. California Revenue and Taxation Code 6406 – Credit for Tax Paid to Another Jurisdiction Pay $1,500 in Nevada tax when California would charge $2,000, and you owe California $500.5California Department of Tax and Fee Administration. Tax Guide for Purchasers of Vehicles If you paid more elsewhere than California would have charged, there is no refund for the difference. Buy in a no-tax state like Oregon and you owe the full California rate at registration.

Registering a vehicle out of state to dodge California tax carries a 50% penalty on top of the tax owed if the CDTFA finds the registration was intended to evade sales or use tax.4California Department of Tax and Fee Administration. Sales and Use Tax Annotations – 580.0380

Family Transfer Exemption

California exempts vehicle transfers between certain family members from sales and use tax entirely. You owe nothing if the seller is your parent, grandparent, child, grandchild, or spouse (including registered domestic partner). Siblings qualify only if both are minors at the time of the transaction. The seller cannot be in the business of selling vehicles.7California Department of Tax and Fee Administration. California Revenue and Taxation Code 6285 – Family

Stepparents and stepchildren are not covered unless there’s also a biological parent-child or legal adoption relationship. The exemption also disappears between ex-spouses after a divorce decree. To claim it, you’ll need documentation of the relationship (birth certificates, marriage license, or adoption paperwork) along with the certificate of title.5California Department of Tax and Fee Administration. Tax Guide for Purchasers of Vehicles On a $30,000 vehicle in a 10% district, that’s $3,000 saved. If a qualifying family member owns the car you want, it’s worth structuring the sale properly.

Other Fees Beyond Sales Tax

Sales tax is the biggest hit, but California stacks several separate fees at registration that add up quickly, especially on newer or more expensive vehicles.8California Department of Motor Vehicles. Registration Fees

  • Vehicle License Fee (VLF): 0.65% of purchase price or current value. On a $40,000 car, $260.
  • Registration fee: $76 for original registration or renewal.
  • California Highway Patrol fee: $34.
  • Transportation Improvement Fee: scaled by vehicle value. $33 for cars under $5,000, $66 for $5,000–$24,999, $132 for $25,000–$34,999, $198 for $35,000–$59,999, and $231 for $60,000 and above.
  • Smog transfer fee: $8, on vehicles less than four years old.
  • Zero-emission vehicle fees: model year 2020 and later ZEVs pay a $121 Road Improvement Fee to offset lost gas tax revenue, plus a $17 parking sticker fee.

Dealers also charge a document preparation fee, capped by California at $85 for dealers with a DMV private industry partner agreement and $70 for those without.9California Department of Motor Vehicles. Dealers Document Preparation and Electronic Filing Service Fee If a dealer tries to charge significantly more under a different label, push back. The statutory cap exists for a reason.