St. Louis County, MO Sales Tax Rate (2026)
Combined state and local rate for St. Louis County, MO, with the rate for each of its places and 50 ZIP codes.
Rates as of
What is the sales tax rate in St. Louis County, MO?
8.738%most common combined rate in St. Louis County
The most common combined sales tax rate in St. Louis County, MO is 8.738% as of October 2026: 4.225% state, 3.513% county and 1% city. Rates across the county's 50 ZIP codes range from 7.738% to 11.488%, depending on the city and special districts. Missouri's state rate is 4.225%, so local taxes add 4.513% here.
- State
- 4.225%
- County
- 3.513%
- City
- 1%
- Special district
- 0%
- Combined
- 8.738%
Source: Kintsugi's rate table, updated monthly, as of October 2026. Official rates: Missouri DOR — Sales and Use Tax.
What are the sales tax rates by city in St. Louis County?
The combined rate for the places in St. Louis County, as of October 2026. Where a place has a city rate page it is linked. A place's ZIP codes can reach into a neighbouring city or district, so a range in brackets means its ZIP codes carry different rates.
| Place | Combined rate | ZIP codes |
|---|---|---|
| Saint Louis | 9.488%(8.238%–11.488%) | 28 |
| Ballwin | 8.738%(8.738%–9.488%) | 4 |
| Florissant | 8.988%(7.738%–9.988%) | 4 |
| Chesterfield | 8.738%(8.738%–8.988%) | 3 |
| Fenton | 8.238%(8.238%–8.738%) | 2 |
| Bridgeton | 8.988% | 1 |
| Earth City | 8.988% | 1 |
| Eureka | 9.238% | 1 |
| Glencoe | 8.238% | 1 |
| Grover | 8.238% | 1 |
| Hazelwood | 9.988% | 1 |
| Maryland Heights | 8.238% | 1 |
| Saint Ann | 10.488% | 1 |
| Valley Park | 9.738% | 1 |
What are the sales tax rates by ZIP code in St. Louis County?
Every ZIP code in St. Louis County, with its combined rate as of October 2026. A ZIP code can cross city and district lines, so the delivery address decides the rate on a sale; the sales tax calculator looks one up.
| ZIP | Place | Combined rate | County | City | Special |
|---|---|---|---|---|---|
| 63005 | Chesterfield | 8.738% | 3.513% | 1% | 0% |
| 63006 | Chesterfield | 8.988% | 2.263% | 1.25% | 1.25% |
| 63011 | Ballwin | 8.738% | 3.513% | 1% | 0% |
| 63017 | Chesterfield | 8.738% | 3.513% | 1% | 0% |
| 63021 | Ballwin | 9.488% | 2.263% | 1.75% | 1.25% |
| 63022 | Ballwin | 8.738% | 3.513% | 1% | 0% |
| 63024 | Ballwin | 8.738% | 3.513% | 1% | 0% |
| 63025 | Eureka | 9.238% | 3.513% | 1.5% | 0% |
| 63026 | Fenton | 8.738% | 2.263% | 0% | 2.25% |
| 63031 | Florissant | 9.988% | 2.263% | 2.25% | 1.25% |
| 63032 | Florissant | 8.988% | 2.263% | 1.25% | 1.25% |
| 63033 | Florissant | 8.988% | 3.513% | 1.25% | 0% |
| 63034 | Florissant | 7.738% | 2.263% | 0% | 1.25% |
| 63038 | Glencoe | 8.238% | 3.513% | 0.5% | 0% |
| 63040 | Grover | 8.238% | 3.513% | 0.5% | 0% |
| 63042 | Hazelwood | 9.988% | 3.513% | 2.25% | 0% |
| 63043 | Maryland Heights | 8.238% | 3.513% | 0.5% | 0% |
| 63044 | Bridgeton | 8.988% | 3.513% | 1.25% | 0% |
| 63045 | Earth City | 8.988% | 2.263% | 1.25% | 1.25% |
| 63074 | Saint Ann | 10.488% | 3.513% | 2.75% | 0% |
| 63088 | Valley Park | 9.738% | 2.263% | 0% | 3.25% |
| 63099 | Fenton | 8.238% | 2.263% | 0.5% | 1.25% |
| 63105 | Saint Louis | 9.488% | 3.513% | 1.75% | 0% |
| 63114 | Saint Louis | 9.988% | 3.513% | 2.25% | 0% |
| 63117 | Saint Louis | 9.488% | 3.513% | 1.75% | 0% |
| 63119 | Saint Louis | 9.238% | 3.513% | 1.5% | 0% |
| 63121 | Saint Louis | 10.488% | 2.263% | 1.75% | 2.25% |
| 63122 | Saint Louis | 9.738% | 3.513% | 2% | 0% |
| 63123 | Saint Louis | 9.679% | 0% | 5.454% | 0% |
| 63124 | Saint Louis | 9.488% | 3.513% | 1.75% | 0% |
| 63125 | Saint Louis | 9.679% | 0% | 5.454% | 0% |
| 63126 | Saint Louis | 9.488% | 3.513% | 1.75% | 0% |
| 63127 | Saint Louis | 8.988% | 3.513% | 1.25% | 0% |
| 63128 | Saint Louis | 9.679% | 0% | 5.454% | 0% |
| 63129 | Saint Louis | 8.238% | 2.263% | 0% | 1.75% |
| 63130 | Saint Louis | 9.238% | 3.513% | 1.5% | 0% |
| 63131 | Saint Louis | 11.238% | 2.263% | 1.5% | 3.25% |
| 63132 | Saint Louis | 9.238% | 3.513% | 1.5% | 0% |
| 63133 | Saint Louis | 10.238% | 2.263% | 1.5% | 2.25% |
| 63134 | Saint Louis | 11.488% | 2.263% | 1.75% | 3.25% |
| 63135 | Saint Louis | 10.238% | 2.263% | 1.5% | 2.25% |
| 63136 | Saint Louis | 10.738% | 2.263% | 2% | 2.25% |
| 63137 | Saint Louis | 9.679% | 0% | 5.454% | 0% |
| 63138 | Saint Louis | 10.679% | 0% | 5.454% | 1% |
| 63140 | Saint Louis | 9.738% | 2.263% | 2% | 1.25% |
| 63141 | Saint Louis | 8.988% | 3.513% | 1.25% | 0% |
| 63143 | Saint Louis | 9.488% | 3.513% | 1.75% | 0% |
| 63144 | Saint Louis | 9.738% | 3.513% | 2% | 0% |
| 63145 | Saint Louis | 8.988% | 2.263% | 1.25% | 1.25% |
| 63146 | Saint Louis | 10.738% | 2.263% | 0.5% | 3.75% |
† Part of this ZIP code lies in another city or county with a different rate, so check the delivery address for the exact rate.
Selling into St. Louis County: Missouri rules
What's taxable: At the state level, SaaS is exempt, clothing is taxable, groceries are taxable and digital goods are exempt.
Economic nexus: Missouri economic nexus applies once your gross receipts from taxable sales into the state exceed $100,000 in the preceding 12 months, including marketplace sales. There is no transaction-count trigger.
Filing: Missouri assigns monthly, quarterly, or annual filing based on tax volume. Returns and payments are due the last day of the month following the reporting period for monthly and quarterly filers; annual returns are due January 31.
Registration, exemptions, penalties and marketplace rules are in the Missouri sales tax guide.
Frequently asked questions
Other Missouri counties
Rates change monthly. Kintsugi applies them automatically.
Free plan, filing from US$75 (approx. £57) per filing, no per-state subscription.