Iowa Sales Tax Permit Cost (2026)
Registering for a sales-tax permit (seller's permit) in Iowa is free. Free permit, registered through GovConnectIowa. 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 Iowa
- Registration fee: Free
- Renewal: No renewal (perpetual)
- 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 Iowa Department of Revenue, usually online, and receive your permit (often the same day). Free permit, registered through GovConnectIowa. A sales-tax permit is separate from forming the business itself — see our Iowa LLC and DBA cost pages for those fees.
How Iowa compares nationally
Iowa 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 Iowa?
It's free to register for a seller's permit in Iowa.
Do I need a sales tax permit in Iowa?
Yes, if you sell taxable goods or services in Iowa — you must register before collecting any sales tax from customers.
Does a Iowa sales tax permit expire?
Renewal: no renewal (perpetual).