Quick Answer
You'll typically file part-year resident returns in both states, plus your federal return. Each state taxes only income earned while living there. Most states offer credits for taxes paid to other states to prevent double taxation. About 13% of Americans move each year, with summer being the most common time.
Best Answer
Michelle Woodard, Tax Policy Analyst
W-2 employees who moved between two states that both have income tax
How to file taxes after moving states mid-year
When you move mid-year, you become a "part-year resident" of both states, which means filing state tax returns in both places. According to IRS Publication 17, you'll need to allocate your income, deductions, and credits between the states based on when and where you earned them.
The three returns you'll likely file
1. Federal return: Reports all income normally, regardless of which state you lived in
2. Old state return: Part-year resident return covering January 1 through your move date
3. New state return: Part-year resident return covering your move date through December 31
Example: Moving from Virginia to Texas in July
Sarah moved from Virginia to Texas on July 15, 2026. Her annual salary is $80,000 ($6,667/month).
Income allocation:
Tax filing requirements:
Virginia tax owed: Approximately $2,200 (5.1% effective rate on $43,333)
How to allocate income between states
W-2 income: Use pay periods and dates. If your employer didn't withhold correctly for both states, you might owe money or get a refund.
Investment income: Typically taxed by your state of residence when received. Dividends received in January go to your old state; those received in December go to your new state.
Business income: More complex – generally based on where services were performed or where the business operates.
Preventing double taxation
Most states offer a "credit for taxes paid to other states" to prevent double taxation:
Common deduction allocation rules
Mortgage interest: Allocate based on months of residence. If you owned homes in both states, deduct based on which home was your primary residence when.
Charitable donations: Generally deductible in the state where you lived when you made the donation.
State and local taxes: The SALT deduction on your federal return includes taxes paid to both states (subject to the $10,000 cap).
Special situations to watch for
Different tax years: Some states (like New York) have different part-year resident rules that can affect your calculations.
Reciprocal agreements: Some neighboring states have agreements that simplify filing (like Virginia/DC or Minnesota/Wisconsin).
Military moves: Special rules apply for military personnel under the Military Spouse Residency Relief Act.
What you should do
1. Gather all tax documents (W-2s, 1099s) and note the dates for each
2. Determine your exact move date for tax purposes (usually when you establish residency)
3. Use tax software that handles multi-state returns or consult a professional
4. Keep detailed records of moving expenses (some may be deductible)
5. File part-year resident forms in both states, even if one doesn't require it
[Use our return-scanner tool](return-scanner) to identify potential issues with multi-state filing and ensure you're not missing deductions or paying unnecessary taxes.
Key takeaway: Moving mid-year typically requires filing part-year resident returns in both states, with income allocated by time periods. Most people pay about 60-70% of their normal state tax to their old state and 30-40% to their new state, depending on move timing.
*Sources: IRS Publication 17, Multi-State Tax Commission guidelines*
Key Takeaway: Moving mid-year typically requires filing part-year resident returns in both states, with income allocated by time periods, resulting in about 60-70% of state taxes to your old state.
State tax impact by move timing (example: $75,000 income, moving from 6% tax state to no-tax state)
| Move Date | Old State Tax Owed | New State Tax Owed | Total State Tax | Savings vs Full Year |
|---|---|---|---|---|
| January 1 | $0 | $0 | $0 | $4,500 (100%) |
| April 1 | $1,125 | $0 | $1,125 | $3,375 (75%) |
| July 1 | $2,250 | $0 | $2,250 | $2,250 (50%) |
| October 1 | $3,375 | $0 | $3,375 | $1,125 (25%) |
More Perspectives
Robert Kim, Tax Return Analyst
People who moved between states where one has income tax and the other doesn't
Moving to or from no-income-tax states
If you moved between a state with income tax and a no-income-tax state (Texas, Florida, Nevada, Washington, Wyoming, South Dakota, Tennessee, Alaska, New Hampshire), your filing is simpler but timing matters significantly.
Example: California to Nevada move in March
John moved from California to Nevada on March 31, 2026, earning $90,000 annually.
Income allocation:
Tax impact:
Timing strategies
The earlier you move to a no-tax state, the more you save:
Residency establishment
High-tax states like California are aggressive about residency. You must clearly establish Nevada residency:
Key takeaway: Moving from high-tax to no-tax states can save $3,000-$8,000+ annually depending on income, with earlier move dates providing proportionally higher savings.
Key Takeaway: Moving from high-tax to no-tax states can save $3,000-$8,000+ annually, with earlier move dates providing proportionally higher savings.
Michelle Woodard, Tax Policy Analyst
Remote workers, business owners, or people with rental properties in different states than where they moved
Complex multi-state situations
If you moved mid-year AND have income sources in multiple states (remote work, rental properties, business income), you might need to file in three or more states.
Example: Remote worker with rental property
Maria moved from Illinois to Florida in June 2026. She works remotely for a New York company and owns rental property in Illinois.
Required filings:
Income sourcing rules
Remote work: Generally sourced to where you physically perform the work, not where your employer is located. If you worked from Illinois then Florida, split accordingly.
Rental income: Always sourced to where the property is located, regardless of where you live.
Business income: Complex rules based on where services are performed or where the business has nexus.
Credit coordination
With multiple states involved, credits become crucial:
Professional help recommended
Multi-state situations with various income sources often require professional assistance due to:
Key takeaway: Multiple income sources across states can require 3-4+ tax returns with complex credit calculations – professional help is often worth the $500-$1,500 cost to avoid errors and optimize tax outcomes.
Key Takeaway: Multiple income sources across states can require 3-4+ tax returns with complex credit calculations, making professional help worth the $500-$1,500 cost.
Sources
- IRS Publication 17 — Federal tax guidance including multi-state considerations
- Multi-State Tax Commission — Interstate tax coordination and reciprocal agreement information
Reviewed by Michelle Woodard, Tax Policy Analyst on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.