Sales tax for freelancers: when selling products triggers an obligation
A freelancer who only ever billed for time rarely touches sales tax. The moment you sell a product — prints, a course, a licensed plugin — you step into a different regime, and the rules are easy to get wrong.
Here is when sales tax applies to a solo seller, what "nexus" actually means, and why marketplace platforms now handle most of it for you.
The moment services stop being exempt
Most freelancers never think about sales tax, because for years their work was pure service — writing, design, consulting — and services are broadly exempt from sales tax in the US. The trouble starts the day you sell something tangible or digital: printed artwork, a physical planner, an online course, a licensed plugin, a template pack. At that point you are making a retail sale, and retail sales are usually taxable even when the surrounding service is not.
This is the pivot many solo sellers miss. You can bill $10,000 for consulting and owe no sales tax, then sell $500 of merch alongside it and suddenly owe a slice of that $500 to a state government. The obligation attaches to the product, not to your business model.
Sales tax is a pass-through, not income
The first thing to internalise is that sales tax is not yours. You add a percentage to the customer's bill, hold it briefly, and remit it to the state. It never becomes revenue. The danger is psychological: that money lands in your account looking like income, and if you treat it as spendable you end up short when the filing deadline arrives.
The discipline that works is to separate it the moment the sale happens — a dedicated sub-account, a fixed transfer, no exceptions. The sales tax calculator shows exactly how much of each sale is tax versus how much is actually yours.
Nexus: the trigger you cannot see
You do not owe sales tax simply because you made a sale. You owe it once you have nexus in a state — a connection sufficient to oblige you to register and collect. Two kinds matter:
- Physical nexus — an office, warehouse, employee or even a temporary booth in a state.
- Economic nexus — selling over a dollar threshold into a state, typically $100,000 in sales or 200 transactions a year, though each state sets its own figure.
Before the 2018 Supreme Court case South Dakota v. Wayfair, only physical presence created nexus. Now, economic nexus means a freelancer shipping merch from a home office can owe tax in states they have never visited. A steady Etsy store with nationwide reach can trigger obligations in a dozen states at once — each with its own registration, login and filing calendar.
The rate is a stack, not a single number
People speak of "the 7% sales tax" as if Washington set one rate. It did not. The US has no federal sales tax; the rate a customer pays is usually a combined figure — state plus county plus city plus sometimes a special district, all added together. California's state rate is 7.25% but local add-ons push many areas past 10%. Alaska has no state sales tax yet some of its cities impose their own.
For remote sales, the destination address usually sets the rate, not your own location. That means one order to one city can carry a different combined rate than the next. Sellers with broad reach typically lean on their platform or a tax-compliance service to resolve the correct destination rate per order.
Marketplace facilitators took the job off your hands
The single biggest relief for small sellers is the spread of marketplace-facilitator laws. In every state with a sales tax, platforms like Etsy, Amazon, eBay and similar are now responsible for collecting and remitting the tax on sales they facilitate. If you sell only through such a platform, you generally have nothing to collect or file on those sales.
The word "only" carries the weight. The moment you also sell on your own website, at a market stall, or by invoicing a client directly, those off-platform sales are back on you. Many freelancers run a hybrid: marketplace sales handled automatically, direct sales handled manually. Keep the streams separate so you always know which obligations are yours.
What to actually do
The practical checklist is short but easy to skip:
- Register before you collect. Most states require a sales-tax permit before you charge customers tax. Collecting without one creates liability.
- Know your thresholds. Track sales by state; the moment you cross a state's economic-nexus line, register there.
- Separate the tax. Move it out of your operating account on receipt.
- Honour the calendar. Filing frequency varies — monthly, quarterly or annually — and missing a zero-return deadline can still draw a penalty.
None of this touches your income tax. Sales tax is a separate system layered on top; you still report the underlying revenue as business income. Treat the two as unrelated obligations with unrelated deadlines, and the whole thing becomes manageable rather than scary.
When it gets complicated
If you sell software as a service, digital subscriptions, or products bundled with services, the taxable portion can get murky — some states tax digital products, others exempt them, and "bundled transactions" have their own rules. That is the point at which a conversation with a tax professional pays for itself, because the cost of getting it wrong scales with your volume.
Frequently asked questions
Do freelancers have to charge sales tax on services?
Generally no — most professional services (writing, design, consulting, coding) are exempt from sales tax in most states. The obligation usually appears only when you sell a product: physical goods, digital products, courses, licensed software or templates. If you bill purely for time, sales tax typically does not apply.
What is economic nexus and when does it trigger?
Economic nexus is the obligation to collect sales tax in a state based on sales volume rather than physical presence. Most states set the threshold at $100,000 in sales or 200 transactions into the state per year, though figures vary. After Wayfair (2018), you can owe tax in states you have never visited once you cross their threshold.
If I only sell on Etsy or Amazon, do I need to collect sales tax?
Generally not for those marketplace sales. Marketplace-facilitator laws make the platform responsible for collecting and remitting the tax on sales it facilitates, in every state with a sales tax. But any off-platform sales — your own website, direct invoicing, in person — remain your responsibility.
Which sales-tax rate do I use for out-of-state orders?
For remote sales, the destination address usually sets the rate, and it is the combined state, county, city and district rate for that specific address — not your own location. Sellers with broad reach typically use their platform or a tax-compliance service to resolve the correct rate per order.
Is sales tax part of my business income?
No. Sales tax is collected from the customer and passed through to the state; it is never your income. You still report the underlying sale as revenue for income-tax purposes, but the tax portion belongs to the government and must be remitted separately. Keeping it in its own account prevents accidentally spending it.
Do I need to register before collecting sales tax?
Yes. You generally must hold a sales-tax permit in a state before you collect tax from customers there. Collecting without a permit, or failing to remit what you collected, creates liability that follows the business. Register once you have or expect nexus, then file on that state’s assigned schedule.