Washington Car Sales Tax Calculator (2026)
Estimate Washington car sales tax in seconds. Enter your sale price and pick your county-rate tier; the calculator returns state tax, local surtax, title transfer fee, and total out-the-door cost for a private party sale.
Washington Car Sales Tax Calculator
Estimate state tax, local surtax, and total cost for a private car sale in Washington.
Estimated total tax
$1,050.00
7.00% combined rate
Use tax applies to private party vehicle purchases
6.5% state plus local taxes (total up to ~10.4%)
Estimate only. WA DMV may calculate tax from the higher of purchase price or book value. Confirm exact rates with your county tax assessor before transfer.
How Washington taxes private car sales
Washington charges a 6.5% state sales tax on private party car purchases, plus a county-level surtax that ranges from 0.50% to 3.90% depending on where the buyer registers. 6.5% state plus local taxes (total up to ~10.4%). Combined effective rates fall between 7.00% and 10.40%.
Who pays the tax
In Washington the buyer pays the car sales tax at the time of title transfer — it is collected by the DMV (or equivalent agency) when the buyer registers the vehicle. The seller does not collect tax in a private party sale.
When the tax is due
Tax is due within 15 days of the sale date. Washington late-titling penalties typically begin once that window closes — interest accrues monthly on unpaid tax.
Exemptions and gift transfers
Gift transfers between immediate family members may qualify for a sales-tax exemption — confirm with the Washington DMV at title transfer.
Late penalties
Filing the title transfer beyond the 15-day window typically triggers a late fee plus monthly interest on the unpaid tax. The Washington DMV may also block registration renewals until the back tax is paid. File on time — the calculator above shows the exact amount owed.
Compare car sales tax across states
See how Washington stacks up against the five lowest- and highest-tax states for a private car purchase. Tap any state to open its calculator.
5 lowest sales-tax states
5 highest sales-tax states
- Arkansas11.63%
- Louisiana11.45%
- California10.50%
- Kansas10.50%
- Illinois10.25%
Washington car sales tax FAQ
How much is sales tax on a car in Washington?
Washington charges 6.5% state tax plus a county surtax (typically 0.50% to 3.90%). Combined rates run roughly 7.00% to 10.40% on the purchase price.
Who pays sales tax on a private car sale in Washington?
In Washington the buyer pays the car sales tax at the time of title transfer — it is collected by the DMV (or equivalent agency) when the buyer registers the vehicle. The seller does not collect tax in a private party sale.
When is Washington car sales tax due?
Tax is due within 15 days of the sale date. Washington late-titling penalties typically begin once that window closes — interest accrues monthly on unpaid tax.
Are there any Washington sales-tax exemptions for car transfers?
Gift transfers between immediate family members may qualify for a sales-tax exemption — confirm with the Washington DMV at title transfer.
What is the title transfer fee in Washington?
The Washington title transfer fee is $12. This is collected at the time of title transfer in addition to any sales tax owed. Use the calculator above to see fees plus tax on your sale price.
Ready to close the car sale?
Create a printable Washington car bill of sale in minutes. It is required at the DMV to register your purchase and document the taxable amount.
Create your Washington bill of saleRelated resources
Informational purposes only. This content is provided for informational purposes only and is not legal advice. Laws vary by state and individual circumstances differ. Consult a licensed attorney for jurisdiction-specific guidance on vehicle transfers, title requirements, or related legal matters.