H-1B Tax Filing Guide 2025: Everything You Need to Know
Comprehensive guide for H-1B visa holders filing U.S. taxes for 2025. Covers residency determination, taxation of RSUs, ESPPs, and ISOs, FBAR and FATCA compliance for Indian bank accounts, applicability of the US-India DTAA, state tax considerations, dual-status return scenarios, spouse ITIN processing, and a complete document checklist.
Your tax residency status determines everything — which form you file, whether you report worldwide income, and which deductions you can claim. Most H-1B holders are resident aliens for tax purposes, but not all.
The IRS uses the Substantial Presence Test (SPT) under IRC Section 7701(b)(3) to determine your status. You must meet both conditions:
Condition 1: You were physically present in the US for at least 31 days during 2025.
Condition 2: The weighted total of your days present over three years equals at least 183 days, calculated as:
| Year | Days Present | Weight | Counted Days |
|---|---|---|---|
| 2025 (current year) | Your actual days | x 1 | Full count |
| 2024 (prior year) | Your actual days | x 1/3 | One-third |
| 2023 (two years prior) | Your actual days | x 1/6 | One-sixth |
Example: If you were present for 365 days in 2025, 365 days in 2024, and 200 days in 2023, your weighted total is: 365 + (365 / 3) + (200 / 6) = 365 + 122 + 33 = 520 days. You meet the SPT and are a resident alien.
Important for former F-1 students: If you transitioned from F-1 to H-1B, your F-1 days during the exempt period (up to 5 calendar years) do not count toward the SPT. However, once your H-1B status begins, those days count in full.
First-Year Election: If you arrived mid-year and do not meet the SPT, you may elect full-year resident status under IRC Section 7701(b)(4). This often results in a lower tax bill because you gain access to the full standard deduction and can file jointly with your spouse.
As a resident alien on an H-1B visa, you file the same tax return as a US citizen — Form 1040. You report your worldwide income.
Forms and Schedules You May Need:
- Form 1040 — Primary federal income tax return
- Schedule B — Interest and dividend income
- Schedule D — Capital gains and losses from stock sales
- Form 8949 — Detailed reporting of individual stock transactions
- Form 8938 — FATCA: Statement of Specified Foreign Financial Assets
- FinCEN Form 114 (FBAR) — Foreign Bank Account Report (filed separately with FinCEN)
- Form 1116 — Foreign Tax Credit for taxes paid to India or other countries
- Form 6251 — Alternative Minimum Tax (if you exercised ISOs)
- State tax return(s) — Required in most states
Key Deadlines:
| Deadline | What's Due |
|---|---|
| April 15, 2026 | Federal return (Form 1040), state return, and FBAR |
| April 15, 2026 | Q1 estimated tax payment for 2026 (if applicable) |
| October 15, 2026 | Extended filing deadline (must file Form 4868 by April 15) |
| October 15, 2026 | FBAR extended deadline (automatic, no form required) |
Filing an extension gives you more time to file, but not more time to pay.
As a resident alien, you are eligible for the standard deduction. For tax year 2025:
| Filing Status | Standard Deduction |
|---|---|
| Single | $15,750 |
| Married Filing Jointly | $31,500 |
| Married Filing Separately | $15,750 |
| Head of Household | $23,625 |
Most H-1B filers take the standard deduction rather than itemizing. Itemizing makes sense only if your mortgage interest, state and local taxes (capped at $40,000 SALT-MFJ & $20,000 SALT-MFS), and charitable contributions exceed your standard deduction.
Non-resident aliens cannot claim the standard deduction. This is one reason why the First-Year Election is valuable for H-1B holders in their arrival year.
H-1B visa holders pay FICA taxes just like US citizens:
| Tax | Rate | Wage Base (2025) |
|---|---|---|
| Social Security (OASDI) | 6.2% (employee) + 6.2% (employer) | $176,100 |
| Medicare | 1.45% (employee) + 1.45% (employer) | No limit |
| Additional Medicare Tax | 0.9% (employee only) | Income over $200,000 (single) / $250,000 (MFJ) |
Important: H-1B holders are NOT exempt from FICA. This is different from F-1 students, who are FICA-exempt during their exempt individual period.
Stock compensation is the most commonly mishandled area of H-1B tax filing.
Restricted Stock Units (RSUs):
RSUs are taxed as ordinary income at the time they vest. Your employer includes the FMV of vested shares in your W-2.
| Event | Tax Treatment | Form |
|---|---|---|
| RSU vests | Ordinary income (included in W-2) | W-2, Box 1 |
| You sell the shares later | Capital gain or loss | 1099-B, Schedule D |
The #1 mistake: Your brokerage may report a cost basis of $0 on Form 1099-B. If you do not adjust the cost basis to the FMV at vest, you will pay tax twice on the same income.
ESPP:
| Disposition | Holding Period | Discount Taxed As | Gain Above Discount |
|---|---|---|---|
| Qualifying | 2+ years from offering AND 1+ year from purchase | Ordinary income (limited to actual gain) | Long-term capital gain |
| Disqualifying | Sold before meeting both periods | Ordinary income (full discount) | Short-term or long-term capital gain |
ISOs:
| Event | Regular Tax | AMT |
|---|---|---|
| ISO exercised | No tax | Spread is AMT income (Form 6251) |
| Shares sold (qualifying) | Long-term capital gain | AMT credit may apply |
| Shares sold (disqualifying) | Ordinary income on spread | No AMT adjustment |
NQSOs: The spread at exercise is ordinary income on your W-2.
This is the area where H-1B holders are most at risk for penalties.
FBAR (FinCEN Form 114): Required if aggregate maximum value of all foreign accounts exceeds $10,000 at any point during the year.
Accounts that count: NRE/NRO savings, NRE/NRO FDs, PPF, NPS, EPF (recommended), mutual fund folios, demat/brokerage accounts, LIC policies with cash value.
Penalties: Up to $10,000 per violation per year (non-willful). Willful: up to $100,000 or 50% of balance.
FATCA (Form 8938):
| Filing Status | Year-End Threshold | Any-Time Threshold |
|---|---|---|
| Single (in the US) | $50,000 | $75,000 |
| Married Filing Jointly (in the US) | $100,000 | $150,000 |
| Single/MFS (Outside the US) | $200,000 | $300,000 |
| Married Filing Jointly (Outside the US) | $400,000 | $600,000 |
The NRE Interest Trap: NRE interest is tax-exempt in India but fully taxable in the US. NRO interest is taxable in both countries, but you can claim a Foreign Tax Credit for the Indian TDS.
The US-India DTAA prevents double taxation. However, most H-1B holders as resident aliens cannot claim treaty benefits on salary income due to the saving clause (Article 1, Paragraph 4).
Where the DTAA Does Help:
- NRO interest income: Claim FTC for India's 30% TDS
- Capital gains on Indian property: FTC prevents double taxation
- Dividend income from Indian companies: FTC applies
Example: You earn $3,000 in NRO interest. India withholds 30% TDS ($900). US tax at 24% = $720. You claim FTC of $720. The excess $180 carries forward up to 10 years.
No Income Tax States: Texas, Washington, Florida, Nevada, Wyoming, South Dakota, Alaska, Tennessee, New Hampshire
High-Tax States:
| State | Top Rate | Key Consideration |
|---|---|---|
| California | 13.3% | Aggressive RSU sourcing rules even after departure |
| New York | 10.9% + 3.876% NYC | NYC residents pay city tax on top |
| New Jersey | 10.75% | High rate, no local income tax |
| Illinois | 4.95% (flat) | Flat rate regardless of income |
| Massachusetts | 5% + 4% surtax over $1M | Surtax on high earners |
California caution: RSUs that vested while you were a CA resident may still be taxed by California even after you move to a no-tax state.
A dual-status return applies when you are both a non-resident and resident alien in the same year.
For the non-resident portion: only US-source income (no standard deduction). For the resident portion: worldwide income.
Filed as Form 1040 with a statement for the non-resident period.
The First-Year Election can simplify this and often reduce your tax bill by giving you full-year resident status and the standard deduction.
Your spouse needs an SSN (if working with EAD) or ITIN (Form W-7, filed with your return).
| Factor | MFJ | MFS |
|---|---|---|
| Standard deduction | $31,500 | $15,750 |
| Tax brackets | Wider, lower effective rate | Narrower, higher rate |
| Child Tax Credit | Available | Available |
| Education credits | Available | Not available |
| FBAR/FATCA | Spouse's accounts reported | Only your accounts |
In almost all cases, MFJ produces a lower combined tax bill.
Most H-1B holders on W-2 salary do not need estimated payments. You may need them if you have significant non-withheld income (Indian rental income, freelance income, large capital gains) or owe more than $1,000 in additional tax.
Due dates: April 15, June 15, September 15, January 15. Use Form 1040-ES.
- W-2 from employer
- 1099-B from brokerage (verify RSU cost basis)
- 1099-INT / 1099-DIV from US accounts
- India bank statements (max balances for FBAR)
- India interest certificates or Form 16A (for FTC)
- Mutual fund statements from India
- Prior year tax return
- Passport with entry/exit stamps
- SSN or ITIN for self and dependents
- Form W-7 (if spouse needs ITIN)
Do I need to file taxes on an H-1B visa?
Yes. Most H-1B holders file as resident aliens on Form 1040, reporting worldwide income.
Can H-1B holders claim the standard deduction?
Yes — if you are a resident alien. $15,750 (single) or $31,500 (MFJ) for 2025.
Is NRE account interest taxable in the US?
Yes. Tax-free in India, fully taxable in the US for tax residents.
Do I need to file FBAR?
Yes — if combined foreign account values exceed $10,000 at any point during the year.
How are RSUs taxed?
Ordinary income at vest (on W-2). Capital gain/loss when sold. Always adjust cost basis on 1099-B.
Can H-1B holders claim the Child Tax Credit?
Yes — up to $2,200 per qualifying child under 17 with a valid SSN.
What if I return to India mid-year?
File a dual-status return. FBAR obligations continue for any year you had foreign accounts while a US person.