What is the sales tax rate in St. Louis?
The combined sales tax rate in St. Louis, Missouri is between 7.738% and 11.679% as of 2026. It is made up of the Missouri statewide base rate of 4.225%, plus applicable St. Louis City County and local district taxes. St. Louis sits within St. Louis City County, and the rate can vary slightly across ZIP codes because of special district additions (see the ZIP breakdown below).
Sales tax in Missouri is administered by the Missouri Department of Revenue, which collects and distributes tax on behalf of the state and its local jurisdictions. The rate applies to most retail sales of tangible personal property delivered within St. Louis.
Who needs to collect sales tax in St. Louis, Missouri?
Any business with sales tax nexus in Missouri must register, collect, and remit sales tax on taxable sales delivered to St. Louis. Nexus is established through:
- Physical presence: an office, store, warehouse, employee, or inventory located in Missouri.
- Economic nexus: exceeding $100,000 in sales to Missouri customers in the current or prior year.
- Marketplace facilitators: platforms such as Amazon or Etsy collect and remit on behalf of their third-party sellers.
Out-of-state (remote) sellers that cross Missouri's economic nexus threshold must register with the Missouri Department of Revenue before continuing to sell into the state.
How do you register for a sales tax permit in St. Louis?
To collect sales tax in St. Louis, you must register for a sales tax permit with the Missouri Department of Revenue. Registration is generally free. You will typically need your EIN or SSN, business entity details, bank account information, and an estimate of your monthly Missouri sales. Most permits are issued within a few business days of an online application.
How do you charge the right sales tax in St. Louis?
Sales tax in St. Louis is charged based on the delivery address. For orders shipped to a St. Louis address, the combined rate of between 7.738% and 11.679% generally applies; for in-store sales, the rate is based on the store's location. Because some ZIP codes within St. Louis City County carry additional special-district taxes, always confirm the exact rate for the specific delivery ZIP code. The tables below show the most common St. Louis ZIP codes and how St. Louis compares with other cities in St. Louis City County and across Missouri.
