Green Park, Missouri sales tax rate: 4.225%
Last updated Checked monthly
The sales tax rate in Green Park, Missouri is 4.225%. That’s the 4.225% state rate, with no local taxes. It’s the lowest of the 228 Missouri cities we checked, and 27 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Green Park combined rate
4.225%
- Missouri state
- 4.225%
Green Park sales tax calculator
Enter a price and what you’re selling.
- MissouriState · 4.225%$4.23
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoGreen Park sales tax rate breakdown
State taxes add up to 4.225%.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Missouri | State | 4.225% |
| Combined rate | 4.225% |
Rate history
- July 20234.225%
- July 20244.225%
- July 20254.225%
- July 20264.225%
- Today4.225%
No change since July 2023.
Sales tax near Green Park
Closest cities
- Shrewsbury4 mi5.725%
- Webster Groves4 mi5.725%
- Brentwood7 mi6.225%
- Arnold7 mi4.225%
- Richmond Heights7 mi5.975%
- Crystal Lake Park8 mi4.225%
- Saint Louis9 mi9.013%
- St. Louis9 mi9.013%
Elsewhere in St. Louis County
- Florissant5.475%
- Hazelwood6.475%
- Webster Groves5.725%
- Creve Coeur5.475%
- Richmond Heights5.975%
- Brentwood6.225%
- Black Jack4.725%
- Shrewsbury5.725%
- Normandy5.725%
- Northwoods5.475%
- Hillsdale4.225%
- Calverton Park4.725%
Charge the right rate in Green Park, on every order.
Zamp calculates tax at each customer’s address, then files and pays every Missouri return for you, with a sales tax team you can call.
Green Park sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Green Park, Missouri?
The combined sales tax rate in Green Park is 4.225% as of November 2, 2026. It’s made up of 4.225% Missouri state tax.
Does the sales tax rate vary within Green Park?
Green Park has no special-district taxes, so most addresses in the city pay the same 4.225%: Missouri’s 4.225%. This rate was calculated for Green Park’s 63123 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Green Park?
No.
Do online sellers have to collect sales tax in Green Park?
Yes, if they have nexus in Missouri: more than $100,000 in Missouri sales in the previous or current calendar year, or a physical presence in the state. They register with the Missouri Department of Revenue and charge the rate at the buyer’s address.
Sources. Missouri Department of Revenue · Zamp Sales Tax API, for Green Park’s 63123 ZIP code. Rates are checked monthly and are for information, not tax advice.
Sales tax, off your plate.
Zamp registers you, calculates every order at the customer’s address, files every Missouri return and handles notices, with a sales tax team you can call.
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