Stop the $5,000 Nexus Mistake in New States

Key Takeaways

• Crossing a state border via one remote employee or $100,000 in sales generally triggers 'nexus,' requiring you to register for and collect local taxes.
• Failure to file for a foreign qualification in a new state can lead to back taxes and penalties (plus interest) exceeding $5,000 per year per jurisdiction.
• Nexus rules vary by state, so verify specific thresholds through the Multistate Tax Commission or your CPA before signing a new lease or contract.

A landscaping company in Georgia recently found itself owing $12,000 in back taxes because they took a single recurring commercial contract across the border into South Carolina without updating their filings. They didn't realize that having equipment and a crew on the ground for two weeks a month created a physical presence that the state of South Carolina considers taxable. This is the reality for established businesses growing beyond their home base. If you have people and significant (plus property) revenue in a new state, you're likely already on their radar.

When does a new state start taxing you?

' For decades, this meant you needed a physical building or employees in a state to owe taxes there.

That changed with the 2018 South Dakota v. Wayfair Supreme Court decision. Now, states can tax you based on economic activity alone. Most states use a threshold of $100,000 in gross sales or 200 separate transactions within their borders. If you run an e-commerce operation or a service business with high-value contracts, you can hit these numbers before you even realize you've crossed a legal line.

Physical nexus is even stickier. A single W-2 employee working from their home office in a different state usually gives that state the right to tax a portion of your business income. It also subjects you to that state's unemployment insurance and workers' comp rules. You can find the specific requirements for federal and state tax obligations through the IRS Small Business and Self-Employed Tax Center.

How much will this cost in admin time?

It isn't just the tax bill. It's the 'foreign qualification' process. If your LLC is registered in Ohio but you're doing regular business in Pennsylvania, you must register as a foreign entity with the Pennsylvania Secretary of State. This usually involves a filing fee of $100 to $300 and requires you to appoint a registered agent in that state.

Once you're registered, you're on the hook for annual reports. Missing one can lead to your business losing its 'good standing' status, which prevents you from bringing lawsuits in that state or even getting a business loan. Say you run a 15-person HVAC company. If you expand into a neighboring state, expect to spend at least 10 hours of admin time and $1,500 in legal or CPA fees just to set up the initial compliance framework.

What happens to your payroll setup?

Payroll is where most owners get tripped up first. You cannot simply pay a remote worker through your home-state accounts. You must set up a withholding account in the employee's resident state. If you don't, you're technically violating labor laws in their state, and your business could be liable for unpaid premiums or fines. The U.S. Department of Labor provides resources on state-by-state wage and hour requirements that often vary wildly from federal standards.

Use this checklist before you cross the border:

1. Check Economic Thresholds: Verify if your sales in the target state exceed the $100k or 200-transaction mark.
2. File Foreign Qualification: Register your business entity with the Secretary of State in the new jurisdiction.
3. Update Payroll Withholding: Ensure your payroll provider (like Mercury for banking integration or Gusto for filing) is set up for the new state's tax ID.
4. Register for Sales Tax: Obtain a sales tax permit before you collect a single dollar from a customer in that state.
5. Review Insurance Coverage: Call your broker to ensure your general liability and workers' comp policies cover operations or employees in the new location.

Moving into a new state is a sign of success, but it's also a trap for your cash flow if you don't budget for the compliance overhead. Audit your sales by zip code every quarter to see where you're approaching a threshold.

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📋 Disclaimer

This article is for informational purposes only and does not constitute legal, tax, financial, or professional advice. Laws and regulations change frequently, and the information presented may not reflect the most current legal developments. Always consult with a qualified professional (CPA, attorney, financial advisor) before making business decisions based on this content. MyBizNerd may receive compensation through affiliate links, but this never influences our recommendations.

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