Form 1040-ES NR Estimated Tax Guide for Nonresident Founders (2025-2026)
Filing deadline sequence
How the key federal filing dates line up across the year.
Know your form's due date
Each return has its own statutory deadline.
Extend if needed
An extension moves the filing date, not the payment date.
File the return
Submit by the (possibly extended) due date.
Retain proof of filing
Keep confirmation in case of later IRS questions.
Key Takeaways
- Nonresident aliens generally use Form 1040-ES (NR), not the regular Form 1040-ES package.
- The first estimated-tax due date depends on whether wages are subject to withholding.
- Publication 519 applies the familiar 90% and 100% or 110% safe-harbor structure to nonresident estimated-tax planning.
- Nonresident founders should update projections during the year when income patterns change.
Nonresident founders do not use the regular estimated-tax package
Publication 519 says a nonresident alien should use Form 1040-ES (NR) to figure and pay estimated tax. The IRS page about Form 1040-ES (NR) says the package is specifically for nonresident aliens. That seems obvious, but it is a common operational miss when a foreign founder has both U.S. business activity and a U.S. mailing address.
Using the wrong package is more than a cosmetic issue because the nonresident instructions carry their own timing and computation notes.
The first-payment schedule depends on whether wages are subject to withholding
Publication 519 says that if a nonresident has wages subject to the same withholding rules that apply to U.S. citizens, the first estimated payment is due April 15. If the nonresident does not have wages subject to withholding, the first payment and return due date move to June 15, with a three-installment pattern after that if the full amount is not paid immediately.
That is a crucial distinction for founder-operators who are living off consulting receipts or pass-through income rather than payroll.
The safe-harbor math still matters for foreigners
Publication 519 says estimated tax is generally required when the taxpayer expects to owe at least $1,000 and expected withholding and certain refundable credits are less than the smaller of 90% of current-year tax or 100% of prior-year tax, with 110% applying for certain higher-income taxpayers. That means nonresident founders face the same kind of safe-harbor planning as other individual filers, even though their broader return rules are different.
A strong year-round file updates the projection as income changes rather than discovering the problem only at year-end.
Frequently Asked Questions
Which estimated-tax form should a nonresident founder use?
Publication 519 and the IRS Form 1040-ES (NR) page say nonresident aliens should use Form 1040-ES (NR).
When is the first estimated payment due for a nonresident without wages subject to withholding?
Publication 519 says the first payment is generally due June 15 if the filer does not have wages subject to withholding.
Can a nonresident founder still rely on prior-year tax for estimated-tax safe harbor?
Yes, if the prior-year return covered all 12 months and the other safe-harbor conditions are met, with the higher-income 110% adjustment applying where required.
Listen on Spotify
Money & Tax Talk with Rippa — 5/5 rating
Need Help Filing?
Contact us with your situation and we'll point you to the right path
Never miss an IRS deadline
Get free email reminders for Form 5472, state annual reports, quarterly estimated tax, and OBBBA rule changes — built for foreign-owned LLC owners. No spam. Unsubscribe anytime.
We respect your privacy. No spam, ever.
Need to file your foreign-owned LLC return?
Skip the CPA bill. Our guided wizard builds your IRS-ready filing package, step by step.
Includes its walkthrough video pack
Start filing →
Ask the AI tools, free
Tax Return Drafter, Catch-Up Planner, Form Reviewer, IRS Notice Decoder — purpose-built AI tools, no signup needed.
Free tier · BYOK Anthropic/OpenAI for power use
Browse tools →
Starting your foreign-owned LLC?
Vetted partners we use ourselves: doola & Firstbase for formation, Mercury for banking, Alohi for IRS faxing.
No-fluff recommendations, no Northwest
See partners →
More on Tax Return Due Dates
Form 7004 Extension Guide for Foreign-Owned LLCs
Form 7004 Extension Guide for Foreign-Owned LLCs (2025-2026)
Timely Filing Proof Guide for Form 5472
Timely Filing Proof Guide for Form 5472 (2025-2026)
Form 2350 FEIE Extension Guide
Form 2350 FEIE Extension Guide for U.S. Residents Abroad (2025-2026)
Abroad Extension vs Form 4868 Guide
Abroad Extension vs Form 4868 Guide for International Filers (2025-2026)
When Will the IRS Release 2026 Tax Forms? (Timeline for Form 5472 and Form 1120)
When Will the IRS Release 2026 Tax Forms? Form 5472 and 1120 Release Timeline
3:44