Understanding US Expat State Taxes: What You Need to Know

Understanding US Expat State Taxes: What You Need to Know
Many Americans living abroad focus on federal taxes but overlook state tax obligations. Even after leaving the US, some states may still consider you a resident for tax purposes.
Misunderstanding state rules can result in unexpected tax bills, penalties, or audits.
Federal Taxes vs. State Taxes
Federal tax obligations for US citizens apply regardless of where you live. State taxes work differently — they depend on whether your former state still considers you a resident.
Some states (like California, New York, Virginia, and South Carolina) aggressively enforce residency rules. Others are more lenient or have no income tax at all.
What Keeps State Tax Obligations Alive
Common ties that states use to maintain residency claims include:
Owning property in the state
Keeping a driver's license or voter registration
Having bank accounts or investments in the state
Maintaining a mailing address there
Having family members still living in the state
FEIE Doesn't Always Help at the State Level
Many expats assume that claiming the Foreign Earned Income Exclusion (FEIE) eliminates state taxes. However, most states don't recognize the FEIE. Your income may be excluded federally but still fully taxable at the state level.
Sticky States: The Hardest to Leave
California, New York, Virginia, and South Carolina are known for aggressively auditing expats years after they've moved abroad. Simply living overseas doesn't automatically end your obligations in these states.
To truly sever state residency:
Update voter registration, driver's license, and official documents
Close or transfer state-based bank accounts and investment accounts
Establish clear domicile in a new location
State Tax on State-Sourced Income
Even if you're no longer a state resident, you may still owe taxes on income sourced from that state — such as rental income from property you still own there.
Plan Before You Move
Changing state residency before moving abroad is one of the most effective tax mitigation strategies available. The right planning early can prevent years of unexpected state tax exposure.
Exemplary helps expats understand their state tax obligations, take steps to properly sever residency, and avoid unexpected bills from sticky states.
