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