Missouri Sales Tax Permit Cost (2026)
Registering for a sales-tax permit (seller's permit) in Missouri is free. Free to register; bonds are no longer routinely required unless you become delinquent. You'll need it before you can legally collect sales tax from customers.
Verified July 2026 from official sources. How we verify fees.
What it costs in Missouri
- Registration fee: Free
- Renewal: No renewal
- Resale certificate: free / self-issued
- Also needed: an EIN (free from the IRS) and usually a registered business
How it works
You register through the Missouri Department of Revenue, usually online, and receive your permit (often the same day). Free to register; bonds are no longer routinely required unless you become delinquent. A sales-tax permit is separate from forming the business itself — see our Missouri LLC and DBA cost pages for those fees.
How Missouri compares nationally
Missouri is among the least expensive states in the country for a sales-tax permit — it charges little or nothing where most states do.
Cheapest states
Most expensive states
- Connecticut — $100 (one-time)
- Wyoming — $60 (one-time)
- Washington — $50 business-license fee
Frequently asked questions
How much is a sales tax permit in Missouri?
It's free to register for a seller's permit in Missouri.
Do I need a sales tax permit in Missouri?
Yes, if you sell taxable goods or services in Missouri — you must register before collecting any sales tax from customers.
Does a Missouri sales tax permit expire?
Renewal: no renewal.