Maryland sales tax permit / seller's permit.
If your business sells taxable goods or services in Maryland, you need a sales tax permit (also called a seller's permit). This guide explains nexus rules, post-Wayfair economic thresholds, the application process, and ongoing filing frequency.
Register for Maryland sales tax →When you need a Maryland sales tax permit
Maryland requires sales tax registration once your business has nexus in the state. Nexus can be:
How to register for Maryland sales tax
- 1Form your entity and obtain an EIN.
- 2Register with the Maryland Department of Revenue. Application asks for entity info, NAICS code, projected gross sales.
- 3Receive your Maryland permit number. Display it where required.
- 4File returns on the assigned cadence. Monthly, quarterly, or annually based on projected revenue.
Frequently asked questions
Do I need a Maryland sales tax permit?
How much does a Maryland sales tax permit cost?
What is the Maryland economic nexus threshold?
Do I need to register for sales tax if I sell on Amazon or Etsy in Maryland?
How often do I file Maryland sales tax returns?
What if I sell only digital products in Maryland?
Does File.Business handle Maryland sales tax registration?
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Five minutes per filing. State fee passed through at cost. Audit trail and deadline tracking included.
Disclosure. File.Business is a private business filing and compliance service. We are not a government agency and are not affiliated with the Maryland SDAT or any Secretary of State office. You may file directly with the Maryland SDAT. Information on this page is for general guidance only and is not legal, tax, or accounting advice. Fees and deadlines verified against the Maryland SDAT as of June 2026 and may change. For entity-specific guidance, consult a licensed Maryland attorney or CPA.