Missouri › St. Louis County
St. Louis County car sales tax: 7.738% to 11.488%
The rate in St. Louis County
- Vehicle sales tax in St. Louis County is not a single number — it runs from 7.738% to 11.488% depending on which city you register in. Most of the county is at 8.738%.
- That is above the 6.725% most Missouri counties charge — about $704.55 more tax on a $35,000 car than the typical county in the state.
- No other county in Missouri charges this rate — St. Louis sits at number 3 of 115 by combined rate.
Where the rate changes inside St. Louis County
- 11.488% — Pine Lawn, Saint Ann.
- 11.238% — Normandy.
- 10.988% — Pagedale.
- 10.738% — Vinita Park, Hanley Hills, Velda Village Hills.
- 10.488% — Cool Valley, Jennings, Wellston, Woodson Terrace.
- 10.238% — Pasadena Hills.
- 9.988% — Overland, Dellwood, Hazelwood, Bel-Ridge, Bridgeton, Bridgeton, Pattonville Fir, Marlborough.
- 9.738% — Ferguson, Berkeley, Brentwood, Kirkwood.
- 9.488% — Maplewood, Clayton, Crestwood, Des Peres, Ladue, Richmond Heights.
- 9.238% — University City, Black Jack, Eureka, Frontenac, Glendale, Maryland Heights, Riverview, Rock Hill and 1 more.
- 8.988% — Saint Louis, Creve Coeur, Manchester, Ballwin, Bridgeton, Ellisville, Florissant, Town And Country and 1 more.
- 8.738% — Chesterfield, Saint Louis (outside city limits), Ballwin, Florissant (outside city limits), Champ, Earth City (outside city limits), Pattonville Fir, Florissant, Saint Ann (outside city limits) and 4 more.
- 8.238% — Wildwood, Fenton, Glencoe, Green Park, Grover, Maryland Heights.
- 7.738% — Saint Louis (outside city limits), Saint Louis, Ballwin (outside city limits), Clarkson Valley, Earth City (outside city limits), Eureka (outside city limits), Fenton, Fenton (outside city limits).
- This is why a county-wide figure is not enough here: two addresses in St. Louis County can carry different tax on the same car, and in 32 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 St. Louis County
- Sales tax (8.988% — Creve Coeur, St. Louis County) — $3,201.60
- 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 — $38,875.14 on a $35,000 used car, before any down payment or financing.
ZIP codes in St. Louis County
- 63005, 63006, 63011, 63017, 63021, 63022, 63024, 63025, 63026, 63031, 63032, 63033, 63034, 63038, 63040, 63042, 63043, 63044, 63045, 63069, 63074, 63088, 63099, 63105, 63114, 63117, 63119, 63120, 63121, 63122, 63123, 63124, 63125, 63126, 63127, 63128, 63129, 63130, 63131, 63132, 63133, 63134, 63135, 63136, 63137, 63138, 63140, 63141, 63143, 63144, 63145, 63146, 63151, 63167.
- Any of these resolves to St. Louis County in the calculator, at whichever of the county's rates applies to that ZIP.
St. Louis County against nearby counties
- Howard County is 8.1% — $223.30 LESS tax on a $35,000 car than St. Louis County.
- Clay County is 8.725% — $4.55 LESS tax on a $35,000 car than St. Louis County.
- Jackson County is 8.975% — $82.95 MORE tax on a $35,000 car than St. Louis County.
- St. Louis City is 9.679% — $329.35 MORE tax on a $35,000 car than St. Louis 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 St. Louis 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 St. Louis County it ranges from 7.738% to 11.488%.
What is the car sales tax rate in St. Louis County?
It ranges from 7.738% to 11.488% depending on the city; most of the county is 8.738%.
How much is tax and fees on a $35,000 car in St. Louis County?
About $3,875.14 on top of the price, bringing it to roughly $38,875.14 out the door. The breakdown is above.
Elsewhere in Missouri
Clay County
8.725% on a vehicle purchase
Jackson County
8.975% on a vehicle purchase
Howard County
8.1% on a vehicle purchase
Mercer County
7.975% on a vehicle purchase
Saint Charles County
7.95% 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