Quick Answer
A state tax credit for taxes paid to another state prevents double taxation by allowing you to claim a credit on your home state return for income taxes paid to other states. Most states offer this credit, which typically equals the lesser of: taxes paid to the other state or what your home state would have charged on that same income.
Best Answer
Robert Kim, Tax Return Analyst
People who live in one state but earned income in another state
How state tax credits for other states work
The state tax credit for taxes paid to another state is designed to prevent double taxation when you earn income in a state other than where you live. Here's how it works: if you're a resident of State A but earned income in State B, State B will require you to file a nonresident return and pay taxes on that income. Your home state (State A) will also want to tax that same income because you're a resident. To prevent you from paying tax twice on the same dollars, your home state typically allows you to claim a credit for the taxes you paid to State B.
Example: New Jersey resident working in New York
Let's say you live in New Jersey but work in New York City, earning $80,000 annually. Here's how the credit works:
Key factors that determine your credit
States that don't offer this credit
Most states offer some form of credit, but there are exceptions. According to the Federation of Tax Administrators, states without income tax (Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, Wyoming) obviously don't need this credit. However, some states with income tax may have limited or no credit provisions for certain types of income.
What you should do
1. File both returns: You'll typically need to file a nonresident return in the work state and a resident return in your home state
2. Keep detailed records: Save copies of all tax payments made to other states
3. Use tax software: Most tax software automatically calculates these credits when you enter income from multiple states
4. Consider professional help: Multi-state situations can be complex, especially with different state rules
Use our [return scanner](return-scanner) to check if you're claiming all available state tax credits, including credits for taxes paid to other states.
Key takeaway: The state tax credit prevents double taxation by allowing you to credit taxes paid to other states against your home state tax liability, typically limited to the lesser amount between what you paid and what your home state would charge.
*Sources: [IRS Publication 17](https://www.irs.gov/pub/irs-pdf/p17.pdf), Federation of Tax Administrators State Tax Guide*
Key Takeaway: The credit prevents double taxation and equals the lesser of taxes paid to other states or what your home state would charge on that same income.
Common state tax credit scenarios and calculations
| Scenario | Other State Tax Paid | Home State Tax on Same Income | Credit Amount |
|---|---|---|---|
| Work in higher-tax state | $3,000 | $2,000 | $2,000 (limited to home state tax) |
| Work in lower-tax state | $1,500 | $2,500 | $1,500 (taxes actually paid) |
| Reciprocal agreement states | $0 | $2,000 | $0 (pay only to work state) |
| Part-year resident | N/A | N/A | Usually no credit needed |
More Perspectives
Michelle Woodard, Tax Policy Analyst
Taxpayers who relocated during the tax year and have part-year resident status
Part-year residents have different credit rules
When you move states during the tax year, you become a part-year resident of both states, which changes how the credit for taxes paid to other states works. Unlike full-year residents who get credits for income earned in other states, part-year residents typically get credits based on the portion of income earned while residing in each state.
Example: Moving from California to Texas mid-year
If you moved from California to Texas on July 1st, earning $60,000 in California (Jan-June) and $60,000 in Texas (July-Dec):
However, if you moved from California to New York:
Key considerations for movers
*Sources: [IRS Publication 17](https://www.irs.gov/pub/irs-pdf/p17.pdf)*
Key Takeaway: Part-year residents typically don't need credits for other state taxes since they're taxed by each state only on income earned while residing there.
Robert Kim, Tax Return Analyst
Taxpayers with complex multi-state income from investments, rental properties, or business activities
Complex multi-state situations require strategic planning
When you have income from multiple sources across different states—rental properties, business operations, investment accounts—the credit for taxes paid to other states becomes more complex. Each state has different rules for sourcing income, and you may need to file multiple nonresident returns.
Example: Resident of Florida with nationwide income
Suppose you live in Florida (no state income tax) but have:
Your tax situation:
When credits become critical
If you lived in a high-tax state like California instead of Florida:
*Sources: [IRS Publication 17](https://www.irs.gov/pub/irs-pdf/p17.pdf), Multistate Tax Commission guidelines*
Key Takeaway: Multi-state income requires careful tracking of which states tax what income, with credits available to prevent double taxation on the same dollars.
Sources
- IRS Publication 17 — Your Federal Income Tax - includes multi-state tax guidance
- Federation of Tax Administrators — State tax information and reciprocal agreements
Related Questions
Reviewed by Robert Kim, Tax Return 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.