Last reviewed 2026-09-13 · 8 min read
Your first year of freelancing usually brings a lot of firsts: first invoice, first client contract, first time setting aside money instead of having it withheld automatically. Taxes can feel like the most confusing part, mostly because nothing is done for you the way it was with a W-2 job.
This is a general timeline — not a personalized filing calendar — built around the estimated tax due dates for tax year 2026. Your actual obligations depend on when you started earning self-employment income, how much you expect to owe, and your state's rules. Use this as a framework for what to think about and when, and confirm dates and requirements with the IRS or a tax professional.
As soon as you start earning self-employment income
The moment you receive your first payment for freelance work, it's worth setting up a system before the money gets spent. That means opening a separate bank account for business income (even if you're not required to), starting a simple record of income and expenses, and deciding roughly what percentage of each payment you'll set aside for taxes.
This is also the point to think about whether you need to make estimated tax payments during the year rather than waiting until you file. The IRS generally expects self-employed taxpayers to pay tax as income is earned throughout the year, not in one lump sum the following spring.
- Open a separate account (or sub-account) for business income
- Start tracking every payment received and every deductible expense
- Decide on a percentage to set aside from each payment
Quarter 1: January 1 – March 31, 2026
If you had self-employment income in 2025, note that your 2025 return is generally due in mid-April 2026, separate from any 2026 estimated payments. Keep those two obligations distinct in your head — one is for last year's income, the other is a prepayment toward this year's.
For 2026 income earned in this quarter, the first estimated payment for tax year 2026 is generally due by April 15, 2026, per the IRS's published schedule. If this is your first quarter of self-employment income, this is also a good time to estimate your likely annual income and start (or refine) your recordkeeping habits.
Mid-April 2026: prior-year filing and first 2026 estimate often collide
For many freelancers, mid-April is a two-part deadline: filing (or extending) the prior year's tax return, and making the first quarterly estimated payment for the current year. These are calculated separately — one is based on last year's actual income, the other is your estimate of this year's income.
If this is genuinely your first year with any self-employment income, you may not have a prior-year self-employment return to file, but the estimated payment schedule for the current year still applies once you have income subject to it.
Quarter 2: April 1 – May 31, 2026
By now you likely have a few months of real income data. This is a good checkpoint to compare actual earnings against whatever rough estimate you started with, and adjust your set-aside percentage if needed.
It's also a reasonable time to start researching whether a retirement account for the self-employed (like a SEP-IRA or solo 401(k)) makes sense for your situation, since some of these have contribution deadlines tied to your filing date.
June 15, 2026: second estimated payment
The second estimated tax payment for tax year 2026 is generally due by June 15, 2026, per the IRS schedule — note this covers roughly two months of income (April and May) rather than a full quarter, since the payment periods aren't evenly split by calendar quarter.
If your income has grown or shrunk noticeably from your original estimate, this is a natural point to recalculate rather than waiting until year-end.
Midyear: June – August 2026
With half the year behind you, it's worth doing a more thorough review: total income so far, total deductible expenses, and whether your bookkeeping system is actually keeping up with your business. Many new freelancers find their initial system (a shoebox of receipts, a basic spreadsheet) needs upgrading around this point.
This is also a good window to research deductions you may not have been tracking — home office, a portion of internet or phone bills, business-related travel — so you have documentation in place well before filing season rather than reconstructing it later.
September 15, 2026: third estimated payment
The third estimated payment for tax year 2026 is generally due by September 15, 2026. By this point you likely have three-quarters of the year's income data, making it a good time for a more accurate annual projection.
If you've had a significantly better or worse year than expected, adjusting your remaining estimated payments can help you avoid both an underpayment surprise and overpaying and tying up cash unnecessarily until you file.
Fall: October – December 2026
Year-end is a common time to make deliberate business purchases (equipment, software subscriptions) if they're things you'd need anyway, since the timing can affect which tax year they're deducted in. It's also worth confirming any retirement account contributions you're planning, since some account types have setup or contribution deadlines tied to year-end or your filing date.
This is a good time to gather everything for the coming filing season: reconcile your bookkeeping, make sure you have records for every client (in case a 1099 is missing or wrong), and confirm you have documentation for every deduction you plan to claim.
January 15, 2027: fourth estimated payment
The fourth and final estimated payment for tax year 2026 is generally due by January 15, 2027, covering income earned in the last part of the year. After this payment, your remaining obligation for 2026 is generally settled when you file your return.
Some freelancers choose to file their return early enough in the season that the fourth estimated payment becomes unnecessary — the IRS has specific rules about this option. Check current IRS guidance or a tax professional before assuming it applies to you.
Filing season: early 2027
Once your 2026 tax year closes, you'll file a return reporting the full year's self-employment income, deductible expenses, and any estimated payments already made. This is where everything from the year — invoices, 1099s, expense records, mileage logs — gets pulled together.
If your first year involved any surprises (income much higher or lower than expected, missing 1099s, multi-state work), this is also a natural point to sit down with a tax professional before your second year, so you can adjust your estimated payment strategy going forward.
Takeaways
- ·Set up separate banking and recordkeeping as soon as self-employment income starts coming in — don't wait for tax season.
- ·Tax year 2026 has four estimated payment due dates: April 15, June 15, and September 15, 2026, and January 15, 2027.
- ·A prior year's tax return and the current year's first estimated payment are separate obligations that often land around the same mid-April date.
- ·Review your income projection at each quarterly checkpoint and adjust your set-aside percentage or payments as needed.
- ·Use fall of the tax year to organize records and confirm any retirement contributions before filing season begins.
Sources and further reading
Federal tax planning information only. TaxStow is not a tax preparer and this is not tax advice. State and local rules are separate, and a qualified professional can account for details this page cannot.