If you are self-employed, own a business, earn side income, or receive income that does not have enough tax withheld, you may need to pay quarterly taxes. These payments are also known as estimated tax payments, and they help taxpayers pay income tax, self-employment tax, and certain other taxes throughout the year instead of waiting until the annual filing deadline.
One of the most common questions taxpayers ask is: Who has to pay quarterly estimated taxes? In general, individuals, sole proprietors, partners, and S corporation shareholders usually need to make estimated tax payments if they expect to owe at least $1,000 in tax when they file their return. Corporations generally need to make estimated tax payments if they expect to owe at least $500 when they file.
However, the rules can depend on your income, withholding, credits, prior-year tax, and business structure. This guide explains how quarterly taxes work, who may need to pay them, what deductions can affect your estimate, and how to avoid common mistakes.
What Are Quarterly Taxes?
Quarterly taxes are estimated payments made to the IRS during the year. They are designed for taxpayers who receive income that is not subject to automatic withholding.
When you work as an employee, your employer typically withholds federal income tax, Social Security tax, and Medicare tax from your paycheck. But if you are self-employed, work as a freelancer, receive rental income, earn investment income, or run a small business, taxes may not be withheld automatically.
That is where estimated tax payments come in. Instead of paying one large tax bill at the end of the year, you pay portions of your expected tax liability throughout the year.
Quarterly taxes may apply to income such as:
- Self-employment income
- Freelance or contractor income
- Small business profits
- Partnership income
- S corporation shareholder income
- Rental income
- Interest and dividends
- Capital gains
- Taxable retirement distributions
- Certain prizes, awards, or other income without withholding
The purpose is to keep your tax payments aligned with your income as it is earned.
Who Has to Pay Quarterly Estimated Taxes?
Individuals, including sole proprietors, partners, and S corporation shareholders, generally have to make estimated tax payments if they expect to owe tax of $1,000 or more when their return is filed. Corporations generally must make estimated tax payments if they expect to owe tax of $500 or more when their return is filed.
For individuals, the IRS general rule says you may need to pay estimated tax if both of these apply:
- You expect to owe at least $1,000 in tax after subtracting withholding and refundable credits.
- You expect your withholding and credits to be less than the smaller of 90% of the tax shown on your current-year return or 100% of the tax shown on your prior-year return, assuming the prior-year return covered all 12 months.
There are special rules for higher-income taxpayers, farmers, fishers, and certain other situations, so it is important to review your specific facts before relying on a general rule.
Who Commonly Needs to Pay Quarterly Taxes?
You may need to pay quarterly taxes if you receive income that is not covered by withholding or if your withholding is too low.
Common taxpayers who may need estimated payments include:
- Freelancers
- Independent contractors
- Consultants
- Gig workers
- Sole proprietors
- LLC owners
- Partners in partnerships
- S corporation shareholders
- Landlords
- Investors with significant taxable gains
- Retirees with taxable distributions and limited withholding
- Employees with substantial side income
- Taxpayers with large interest, dividend, or capital gain income
Even employees may need to make estimated payments if their paycheck withholding does not cover their total tax liability. In some cases, employees can avoid quarterly payments by submitting an updated Form W-4 and asking their employer to withhold more tax from wages.
When Are Quarterly Taxes Due?
Estimated taxes are commonly called “quarterly,” but the payment periods are not perfectly equal calendar quarters. For calendar-year taxpayers, estimated tax payments are generally due in April, June, September, and January of the following year. IRS guidance explains that the year is divided into payment periods, and if you do not pay enough by each due date, you may be charged a penalty even if you are due a refund when you file.
Typical federal estimated tax due dates are:
- First payment: April
- Second payment: June
- Third payment: September
- Fourth payment: January of the following year
If a due date falls on a weekend or legal holiday, the deadline may shift to the next business day. Fiscal-year taxpayers may have different due dates based on their tax year.
State estimated tax deadlines may also apply and may not always match federal rules.
How Are Estimated Tax Payments Calculated?
Estimated tax payments are based on your expected income, deductions, credits, and taxes for the year. For self-employed individuals, this may include both income tax and self-employment tax.
To calculate estimated payments, taxpayers often consider:
- Expected business income
- Expected deductible expenses
- Net profit
- Self-employment tax
- Other income
- Tax credits
- Federal withholding
- Prior-year tax liability
- State tax obligations
Many taxpayers use Form 1040-ES to estimate federal payments. Business entities may use different forms depending on their structure.
Because income can change throughout the year, estimates may need to be adjusted. A business owner with seasonal income, a large contract, or unexpected expenses may need to update projections before the next payment deadline.
Scannable List: Deductions That Can Affect Quarterly Taxes
Deductions reduce taxable income and can affect how much you need to pay in quarterly taxes. Keeping accurate records throughout the year helps create more reliable estimates.
Common deductions that may affect estimated tax payments include:
- Office supplies
- Business software and subscriptions
- Website hosting and domain fees
- Marketing and advertising
- Professional services
- Legal and accounting fees
- Business insurance
- Rent or coworking space
- Utilities
- Phone and internet business use
- Home office expenses, if eligible
- Business mileage
- Vehicle expenses
- Travel expenses
- Business meals, subject to limits
- Equipment and furniture
- Repairs and maintenance
- Bank fees
- Merchant processing fees
- Continuing education and training
- Contractor payments
- Employee wages
- Payroll taxes
- Retirement plan contributions
- Licenses and permits
These deductions should be ordinary, necessary, business-related, and supported by proper records. Guessing at deductions can lead to inaccurate estimates and potential problems at tax time.
What Happens If You Do Not Pay Quarterly Taxes?
If you are required to make estimated tax payments and do not pay enough by the deadlines, you may owe an underpayment penalty. This can happen even if you pay the full amount when you file your annual return.
Penalties may apply when payments are too low, late, or unevenly timed. For example, if you earn income early in the year but wait until the end of the year to pay, you may still owe a penalty for earlier underpayment periods.
However, some taxpayers may avoid penalties by meeting safe-harbor rules, increasing withholding, or using the annualized income method when income is uneven during the year. These rules can be complex, so professional guidance is recommended if your income varies significantly.
How to Make Estimated Tax Payments
The IRS offers several ways to make estimated tax payments, including online payment options. Many taxpayers pay through IRS Direct Pay, Electronic Federal Tax Payment System, debit or credit card, or other approved methods. State payments are usually made through the applicable state tax agency.
Before paying, make sure you are applying the payment to the correct tax year and payment type. Keep confirmation numbers, receipts, and bank records for your files.
For businesses, it is also helpful to record each payment in your accounting system so your accountant can reconcile payments at tax time.
How to Avoid Quarterly Tax Mistakes
Quarterly taxes are manageable when you plan ahead. The biggest mistakes usually come from waiting too long, underestimating income, ignoring self-employment tax, or failing to update estimates after business changes.
To stay on track:
- Review income and expenses monthly.
- Keep business and personal finances separate.
- Reconcile bank accounts regularly.
- Track deductions throughout the year.
- Save payment confirmations.
- Review tax projections before each deadline.
- Adjust estimates when income changes.
- Do not rely on last year’s numbers if this year looks very different.
- Ask a tax professional before making major tax assumptions.
Accurate bookkeeping is one of the best tools for making accurate estimated tax payments.
FAQ: Quarterly Taxes and Estimated Tax Payments
Who has to pay quarterly estimated taxes?
Individuals, sole proprietors, partners, and S corporation shareholders generally must pay quarterly estimated taxes if they expect to owe at least $1,000 after withholding and credits. Corporations generally must pay if they expect to owe at least $500.
Do W-2 employees need to pay quarterly taxes?
W-2 employees usually do not need quarterly taxes if enough tax is withheld from their paychecks. However, employees with side income, investment income, rental income, or insufficient withholding may need estimated tax payments or may need to increase withholding.
What happens if I miss a quarterly tax payment?
If you miss a required quarterly tax payment, you may owe an underpayment penalty. Paying as soon as possible can help reduce additional penalties and interest, and a tax professional can help determine whether an exception or safe-harbor rule applies.
Final Thoughts: Quarterly Taxes Are Easier With Planning
Quarterly taxes can feel confusing at first, but they are simply a way to pay tax throughout the year when income is not fully covered by withholding. If you are self-employed, own a business, receive investment income, or have other income without enough withholding, you may need to make estimated tax payments.
The key is to plan ahead, track income and expenses, and review your estimates regularly. Paying too little can lead to penalties, while paying too much can create cash flow strain for your business.
Need help calculating your quarterly taxes? Book a consultation with our accounting team today. We can review your income, deductions, withholding, and estimated tax requirements so you can stay compliant and avoid surprises at tax time.