Multi-State Tax Nexus for Startups: The Remote-Team Trap (2026)
One remote hire can create income-tax and payroll duties in a new state. Wayfair sales-tax nexus is a separate trap. Where SaaS is taxed, plus a self-check.
Multi-state tax is where fast-growing startups quietly accumulate liability. You hire remotely, you sell nationwide through a self-serve checkout, and somewhere along the way you acquire filing obligations in states you've never visited. The trap is that there are two completely separate nexus regimes, and clearing one tells you nothing about the other.
Two kinds of nexus (don't conflate them)
| Income / payroll nexus | Sales-tax (economic) nexus | |
|---|---|---|
| Triggered by | Physical presence — employee, contractor, office, inventory | Crossing a sales threshold into the state |
| Created by a remote hire? | Yes | No (presence is separate) |
| Created by big online sales? | No | Yes |
| The tax | Corporate income tax + payroll withholding | Duty to collect & remit sales tax |
| Legal basis | Constitutional presence + statutes | South Dakota v. Wayfair (2018) |
A startup with employees in five states and a SaaS product sold nationally can owe income-tax returns in the employee states and sales-tax registration in a different set of states. Run your situation through the self-check below, then read the two regimes in detail.
Nexus self-check
- Add the states where your people and inventory sit to see your likely exposure.
Economic sales-tax nexus thresholds (13 key states)
| State | Threshold | SaaS taxable? |
|---|---|---|
| California | $500,000 | No |
| New York | $500,000 + 100 txns | Yes |
| Texas | $500,000 | Yes (taxed as data processing, 20% exempt) |
| Florida | $100,000 | No |
| Washington | $100,000 | Yes |
| Massachusetts | $100,000 | Yes |
| Colorado | $100,000 | No |
| Illinois | $100,000 + 200 txns | No (state-level) |
| Georgia | $100,000 + 200 txns | No |
| New Jersey | $100,000 + 200 txns | No |
| Nevada | $100,000 + 200 txns | No |
| Delaware | No sales tax | n/a |
| Wyoming | $100,000 | No |
A screening tool, not a nexus study, and not tax advice. Thresholds and taxability rules as of 2026 and change frequently. A full multi-state analysis should be done with a CPA.
Regime 1: physical presence → income & payroll nexus
This is the one distributed startups trip without noticing. One employee — and usually one contractor — working from a state creates physical-presence nexus there. That generally means:
- A state corporate income-tax filing obligation (and apportionment of your income to that state).
- A payroll-withholding registration — you must register as an employer, withhold that state's income tax from the employee's wages, and pay state unemployment tax.
You don't get a grace period for being small. The obligation attaches with the first paycheck from that state. For a company hiring remotely across the country, this is how a five-person startup ends up with filing requirements in eight states.
Does P.L. 86-272 save you? Usually not.
Public Law 86-272 is a 1959 federal statute that shields you from a state's net-income tax if your only in-state activity is soliciting orders for tangible personal property, approved and filled from outside the state. Its limits are brutal for modern startups:
- It never covers SaaS, digital products, or services — only tangible goods.
- It never covers payroll withholding, franchise taxes, or gross-receipts taxes (Washington's B&O, Ohio's CAT, etc.).
- Since California's 2022 guidance (followed by New York, New Jersey, and others), routine website features — cookies, live chat, app downloads, post-sale support — are treated as activity beyond solicitation, stripping the protection.
If you sell software or services, assume no income-tax shield. If you sell physical goods, P.L. 86-272 might help in a pure-solicitation state — but verify it state by state, and remember it does nothing for your payroll obligations.
Regime 2: Wayfair → sales-tax economic nexus
Since Wayfair (2018), a state can require you to collect and remit sales tax once your sales into it cross a threshold — regardless of presence. The common threshold is $100,000 or 200 transactions, but the big states are higher:
- California, New York, Texas: $500,000 (NY also requires 100+ transactions).
- Most other states: $100,000, some also with a 200-transaction trigger.
- Delaware, Oregon, Montana, New Hampshire, Alaska*: no statewide sales tax.
Crossing the threshold creates a duty to register and collect — but whether you actually charge tax depends on whether the state taxes your product.
Is your product even taxable? (The SaaS question)
This is where startups over- and under-collect. Tangible goods are taxable in every sales-tax state. SaaS and digital products are a patchwork:
- Roughly 20+ states tax prewritten/canned SaaS (Washington, New York, Massachusetts, Texas as "data processing" with 20% exempt, and more).
- Others — including California and Florida — generally don't tax SaaS.
- Professional services are exempt in most states, but several tax specific service categories.
The self-check above includes the economic-nexus thresholds and SaaS treatment for the 13 startup-relevant states. Treat it as a starting map, not a filing position.
If you're already behind
Most startups discover nexus after crossing the line — often during fundraising diligence or an acquisition. The exposure (back tax, penalties, interest) accrues whether or not you registered, and the statute of limitations doesn't start until you file.
The standard remedy is a Voluntary Disclosure Agreement (VDA): you approach the state proactively, and in exchange it typically caps the lookback (often 3-4 years instead of "forever") and waives penalties. VDAs are far cheaper than being found — prioritize your highest-exposure states with a CPA and clean them up before they surface in diligence.
Bottom line
Two questions, asked per state: Do I have people or property here? (income + payroll) and Have I crossed the sales threshold here with a taxable product? (sales tax). A remote hire answers the first; a nationwide checkout answers the second; P.L. 86-272 rarely rescues a software company from either. Map your exposure with the tool above, then have a CPA turn the map into a registration and filing plan — ideally before your next raise.
This guide is informational only and is not tax advice. Nexus thresholds, SaaS taxability, and P.L. 86-272 interpretations change frequently and vary by state. Sources: South Dakota v. Wayfair, 585 U.S. 162 (2018) · 15 U.S.C. §381 (P.L. 86-272) · MTC Statement on P.L. 86-272 (2021, rev.) · California FTB TAM 2022-01 · state Department of Revenue economic-nexus and SaaS guidance. Reviewed by a licensed CPA on the Acorn 9 team.