Missouri › Warren County
Warren County car sales tax: 6.975% to 9.725%
The rate in Warren County
- Vehicle sales tax in Warren County is not a single number — it runs from 6.975% to 9.725% depending on which city you register in. Most of the county is at 6.975%.
- That is above the 6.725% most Missouri counties charge — about $87.50 more tax on a $35,000 car than the typical county in the state.
- 4 other counties in Missouri charge the same rate, out of 115.
Where the rate changes inside Warren County
- 9.725% — Wright City.
- 9.475% — Truesdale.
- 9.225% — Warrenton.
- 8.975% — Foristell.
- 8.475% — Marthasville.
- 7.85% — Innsbrook (Village Of).
- 6.975% — Dutzow, Foristell (outside city limits), Jonesburg (outside city limits), Marthasville (outside city limits), New Florence (outside city limits), Treloar, Truxton (outside city limits), Warrenton (outside city limits) and 1 more.
- This is why a county-wide figure is not enough here: two addresses in Warren County can carry different tax on the same car, and in 4 of its ZIP codes the boundary runs through the middle so the ZIP alone cannot settle it. The calculator asks you which side you are on.
What a $35,000 car actually costs in Warren County
- Sales tax (6.975% — Dutzow, Warren County) — $2,484.55
- Doc fee (state cap) — $620.79
- Title fee — $8.50
- Title processing fee — $9.00
- Registration (by horsepower) (est.) — $21.25
- Registration processing fee — $9.00
- Temporary permit — $5.00
- Out the door — $38,158.09 on a $35,000 used car, before any down payment or financing.
ZIP codes in Warren County
- 63342, 63348, 63351, 63357, 63363, 63378, 63380, 63381, 63383, 63390.
- Any of these resolves to Warren County in the calculator, at whichever of the county's rates applies to that ZIP.
Warren County against nearby counties
- Audrain County is 6.85% — $43.75 LESS tax on a $35,000 car than Warren County.
- Bollinger County is 6.85% — $43.75 LESS tax on a $35,000 car than Warren County.
- Cooper County is 7.1% — $43.75 MORE tax on a $35,000 car than Warren County.
- Gasconade County is 7.1% — $43.75 MORE tax on a $35,000 car than Warren County.
- This follows where you REGISTER, not where the dealer is, so a lower rate nearby only helps if you actually live there. It is not something you can choose at the dealership.
Run your own numbers
Common questions
Why is the car sales tax different in parts of Warren County?
Cities inside the county can levy their own rate on top of the county and state rate, so the combined figure changes at the city line. In Warren County it ranges from 6.975% to 9.725%.
What is the car sales tax rate in Warren County?
It ranges from 6.975% to 9.725% depending on the city; most of the county is 6.975%.
How much is tax and fees on a $35,000 car in Warren County?
About $3,158.09 on top of the price, bringing it to roughly $38,158.09 out the door. The breakdown is above.
Elsewhere in Missouri
Lincoln County
6.975% on a vehicle purchase
Mississippi County
6.975% on a vehicle purchase
Moniteau County
6.975% on a vehicle purchase
Stone County
6.975% on a vehicle purchase
Cooper County
7.1% on a vehicle purchase
Full Missouri out-the-door guide
Rates, doc fees, registration and title for the whole state
How Missouri sales tax works
What sits in the taxable amount, and how the rate is sourced