EfilePermit Research

Seller’s permits and sales tax registration, read from the source.

Plain-language research on what state agencies actually say about registering to collect sales tax, with the sources linked and the verification date shown.

Sponsored research. Commissioned and sponsored by EfilePermit.com, a private, paid filing service that is not a government agency.

Flagship report · 2027 preview edition

America’s Most Bureaucratic States: The Business Permit Nightmare Index

The hidden fees, waiting periods and jurisdictional traps between opening a business and getting the right sales-tax registration. A research preview built on official 2026 agency guidance, not a completed 50-state ranking.

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45
states levy a general sales tax
38
states permit local sales taxes
9
states reviewed as illustrative cases

Latest research

Each article is independently useful and links to the official sources behind it.

Registration timingCATXFree Doesn’t Mean Fast: Why a $0 Seller’s Permit Can Still Take WeeksCalifornia and Texas both say there is no standard charge for a seller’s permit. Their published guidance describes very different waits and requirements, and that gap is where first-time business owners lose time.October 20, 2026 · 6 min readRegistration costsCOOHWAThe Hidden Cost of Seller’s Permits: Why Business Registration Charges Vary Across StatesAsk three states what it costs to register a new retailer and you get three different kinds of charge. Adding the dollar figures together would mislead, because a license fee, a returnable deposit and a business-license processing fee are not the same thing.October 20, 2026 · 6 min readLocal obligationsCOALLAOne State Permit May Not Be Enough: The Local Sales Tax Registration TrapA state sales tax license sounds like the finish line. Colorado, Alabama and Louisiana show why, for many businesses, it is only the first registration.October 20, 2026 · 6 min readMarketplace sellersTXCAEtsy Collects Sales Tax. Do You Still Need a Seller’s Permit?Etsy, eBay, Amazon and Walmart Marketplace collect sales tax on many sales. Whether that frees a seller from registering depends on the state, and on where the seller sells.October 20, 2026 · 6 min read

How we do this research

  • Official sources first

    Every rule, fee and timeline links to the agency page it came from.

  • Dated and re-checked

    Each article shows when it was last verified. Claims we cannot confirm are held back, not published.

  • No manufactured numbers

    We do not publish invented statistics, rankings or quotes.

  • Sponsor disclosed

    EfilePermit commissions this research and has a commercial interest in assisted permit filing.

State registration guides

Ready to register? These guides cover the agency, the permit name and the application steps.