Tariffs Are a Tax Nobody Voted For — And They're Making Your Sales Tax Bill Bigger Too

You can't see them. They're not on your receipt. But you're paying them.

The Tax Policy Center estimates that tariffs imposed by the Trump administration will create an average burden of about $1,050 per U.S. household in 2026. TaxHero

The Federal Reserve Bank of New York found that U.S. firms and consumers bore roughly 90% of the economic burden of tariffs — not foreign producers. The Sales Tax People

Everyone is talking about tariffs. Almost nobody is talking about what they do to your sales tax bill.

Here's the part that matters for your business.

What a Tariff Actually Is

A tariff is a tax the U.S. federal government imposes on goods imported from other countries. It's paid by the U.S. company doing the importing — at the border, before the product ever reaches a store shelf or a customer's door.

Unlike sales taxes, which appear at the cash register, tariffs are imposed at the port and then managed at various stages of the supply chain. Because they get invisibly baked into the price of goods, they violate the principle of transparency — and their unintended consequences get masked. Taxfyle

The importer pays the tariff upfront. Then, to protect their margins, they raise their prices. That higher price flows to the wholesaler, then to the retailer, and ultimately to you — the consumer or business buyer — without any line item on the invoice that says "tariff."

The share of businesses passing on more than half of their tariff costs has risen to 34% in 2026 — more than doubling from 13% just a year ago. And 55% of executives are planning to raise prices further by up to 15% within the next six months.

How Tariffs and Sales Tax Are Different

They're both taxes. They're both ultimately paid by consumers. But they work in completely different ways — and confusing the two creates real compliance problems.

Tariffs and sales tax are not interchangeable. One is a federal import duty at the border. The other is a state-level consumption tax at the point of sale. Both matter for your business — but they're not the same thing. Quaderno

Here's the Part Nobody Is Talking About

This is where it gets specifically important for businesses managing sales tax compliance.

In many states, tariffs are included in the taxable base for sales tax. That means you may end up collecting sales tax on the tariff itself — a tax on a tax.

Here's how it works in practice. Say you import a product that costs $1,000. A 15% tariff adds $150 to your landed cost, bringing your cost to $1,150. You sell the product to a customer for $1,200. In most states, the customer owes sales tax on the full $1,200 — including the portion of your price that reflects the tariff you already paid at the border.

Instead of collecting $72.50 in sales tax on a $1,000 product at a 7.25% rate, you'd be legally required to collect $87 on the tariff-inflated price. That extra $14.50 per transaction may sound small, but across hundreds of orders it adds up fast — and getting it wrong is both a profit drain and an audit risk.

What States Have Said About This

A handful of states have issued formal guidance. Most haven't — and that silence creates real ambiguity for businesses.

The California Department of Tax and Fee Administration has stated that tariffs charged to an importer and then passed on to a customer must be included in the taxable sales price for sales tax purposes.

Wisconsin takes a similar position: if an importer incurs a tariff on goods and then sells those goods to a customer along with a charge for the tariff, the tariff amount must be included in the sales price for tax purposes — even if separately stated. However, tariffs are not subject to sales or use tax when paid by the importer directly, if they are legally imposed on the importer and separately stated on the invoice. Quizlet

The Wisconsin distinction matters: the same tariff cost can be taxable or non-taxable depending on how it appears on the invoice and who is paying whom. Most businesses don't know this distinction exists.

Many states have not published official guidance on whether tariff charges should be included in the taxable sales price. That uncertainty is not a reason to ignore the issue — it's a reason to get ahead of it before an auditor does.

Who Pays the Most — And Why It Matters

Tariffs and sales taxes share a structural problem: they're both regressive. They hit lower-income households harder than wealthier ones.

The average annual tariff cost to households in the bottom 10% of income is about $315 — representing a 0.8% reduction in after-tax income. For the top 10%, the average cost is $1,325 — but that represents only a 0.3% reduction in after-tax income. Less than half the relative burden.

Sales taxes work the same way. Lower-income households spend a larger share of their income on taxable goods, so they pay a larger percentage of their income in sales tax.

Stack the two together — tariff-inflated prices running through a sales tax calculation — and the burden on lower-income consumers compounds. It's one of the least-discussed aspects of the current trade environment, and it's happening quietly, at every checkout.

The Supreme Court Angle

There's a legal dimension to the current tariff environment that businesses should be aware of.

The Supreme Court struck down President Trump's tariffs in February 2026, ruling they exceeded executive authority. Following the ruling, the administration replaced them with lower tariffs enacted under a different statute. SmartAsset

On May 7, 2026, the Court of International Trade also invalidated Section 122 tariffs. The administration is actively looking for other statutory authorities to reimpose tariffs.

The landscape is in flux. Tariff rates that apply today may change — through new legislation, new legal challenges, or new executive action. For businesses that have built tariff costs into their pricing models, rapid rate changes create immediate pricing and compliance questions. And for sales tax purposes, every pricing change that flows from a tariff adjustment also flows through to the sales tax calculation on each transaction.

What Businesses Should Do

If you import goods and sell them in the United States, here's where to focus:

1. Understand your state's position on tariff taxability. California and Wisconsin have issued guidance. Most states haven't. If you operate in states without guidance, consult a tax professional about how to treat tariff costs in your taxable base.
2. Review how tariff costs appear on your invoices. The distinction between tariff costs baked into your product price versus separately stated tariff charges can affect your taxability in some states. How you invoice matters.
3. Update your pricing model to reflect current tariff rates — and build in flexibility for further changes. With 55% of businesses planning additional price increases in the next six months, your competitors are already doing this.
4. Don't assume tariff-inflated prices are exempt from sales tax. In most states they aren't — and under-collecting sales tax on higher prices creates an audit exposure that most businesses don't anticipate.
5. Monitor the legal landscape. With tariff authority actively contested in federal courts and the administration seeking new statutory mechanisms, the rate environment could shift quickly. Have a process for updating your sales tax calculations when your product costs change.

The tariff conversation is everywhere right now. The sales tax dimension of it is almost nowhere. That gap is exactly where compliance problems live — and where businesses get caught off guard.

Importing goods and not sure how current tariff costs affect your sales tax obligations? Book a free consultation with our team at sales.tax. We'll review your pricing structure, your taxable base, and your exposure — and make sure you're not carrying a liability you didn't know about.