Quick answer: If you're a freelancer in New York or New Jersey and expect to owe more than $1,000 in tax, you must pay estimated taxes to the IRS and your state quarterly. It’s the law, and ignoring it leads to penalties.
Key Takeaways
- Estimated taxes are how freelancers pay income and self-employment taxes throughout the year.
- You'll likely need to make separate payments to three agencies: the IRS, your state (NY or NJ), and sometimes your city (like NYC).
- Payments for the 2026 tax year are due on four specific dates, starting April 15, 2026.
- Failing to pay on time, or paying too little, results in underpayment penalties, which are essentially interest charges on what you owe.
- Calculating the right amount can be tricky, but there are methods to keep you in compliance.
What Are Estimated Taxes, Really?
When you worked a W-2 job, your employer did you the 'favor' of withholding taxes from every paycheck and sending the money to the government. As a freelancer, you're the boss now. That means you're also the payroll department. Estimated taxes are the system for self-employed people to pay their taxes in installments, covering federal income tax and the dreaded self-employment tax (Social Security and Medicare).
Think of it as a pay-as-you-go system. The government wants its money throughout the year, not all at once on April 15th. Forgetting this is one of the most common—and costly—mistakes new freelancers make.
Who Has to Pay Estimated Taxes?
The rules are pretty clear. You must pay estimated taxes if you're flying solo as a sole proprietor, partner, or S-corp shareholder and expect to owe a certain amount. The thresholds are different for the IRS, New York, and New Jersey.
- IRS: You must pay if you expect to owe at least $1,000 in federal tax for the year.
- New York State: You must pay if you expect to owe at least $300 in New York State, New York City, or Yonkers income tax (after any credits or withholdings).
- New Jersey: You must pay if you expect to owe more than $400 in New Jersey income tax (after credits and withholdings).
Basically, if you're freelancing full-time or have a profitable side hustle in NY or NJ, this almost certainly applies to you.
The 2026 Quarterly Due Dates You Can't Miss
These dates are not suggestions. Mark them in your calendar, set reminders, tattoo them on your arm—whatever it takes. For the 2026 tax year, your payments are due:
- For income earned Jan 1 - Mar 31: Due April 15, 2026
- For income earned Apr 1 - May 31: Due June 16, 2026 (June 15 is a Sunday)
- For income earned June 1 - Aug 31: Due Sept 15, 2026
- For income earned Sept 1 - Dec 31: Due Jan 15, 2027
Notice the payment periods aren't equal. Don't ask why; just pay on time. The payment for the final quarter is due before the 2026 tax year is even a memory.
How to Calculate Payments (Without a Crystal Ball)
This is where most people's eyes glaze over. You have two main options for figuring out how much to send. The first is the 'Safe Harbor' rule: pay 100% of your prior year's total tax liability (110% if your prior year AGI was over $150,000). It's simple but can lead to overpayment if your income drops. The second is the 'Annualized Income' method, where you estimate your full-year income and calculate the tax. This is more work but more accurate for freelancers with lumpy, unpredictable income.
You'll use IRS Form 1040-ES, NY Form IT-2105, and NJ Form NJ-1040-ES as worksheets. Honestly, this is where professional help pays for itself. A good tax team can run projections that save you from a massive overpayment or a nasty penalty.
The Price of Ignoring Estimated Taxes
Let's be direct. If you don't pay enough tax throughout the year, the IRS and state tax authorities will hit you with an underpayment penalty. This isn't a flat fine; it's calculated like interest for every day you're late on the amount you underpaid. It's a pointless, frustrating drain on your cash that is entirely avoidable with a little planning.
FAQ: Your Estimated Tax Questions
What if my income is really uneven? Welcome to freelance life. The annualized income method is your friend here. It allows you to adjust your payments each quarter based on your actual earnings, so you don't have to pay a huge amount in a quarter where you earned very little.
I have a W-2 job and a side hustle. Do I still need to pay? Maybe not. Instead of making separate quarterly payments, you may be able to adjust the withholding at your W-2 job. By filing a new Form W-4 with your employer and requesting they withhold more, you can cover the tax liability from your freelance income. This is often a simpler solution.
Can I just pay everything on April 15th? Absolutely not. This is the biggest misconception. The US has a 'pay-as-you-go' system. Even if you pay your entire tax bill in full by the April 15 deadline, you will still get hit with an underpayment penalty for not paying in quarterly installments throughout the year.
What to Do Next
Tracking income, expenses, and tax payments to three different government agencies is a lot to handle on top of your actual work. It's easy to let things slip, and the penalties are no joke.
Stop guessing and get it right. Join our email list for more plainspoken tax advice for freelancers and business owners. When you're ready to get this off your plate for good, call our team at 718-356-5178 to book an appointment. We'll handle the calculations and filings so you can focus on what you do best.