How do I change my state of residence for taxes?

Make the new state your permanent home and show it: live there, register to vote, get a driver's license, claim the homestead exemption, and file a final part-year return in the old state.

Can I keep my old house and still change my domicile?

You can, but it is the most common reason an old state questions the move. In some states, keeping a home there and spending more than half the year there makes you a resident for tax purposes anyway.

How many days can I spend in my old state?

It depends on the state. In New York, more than 183 days with a permanent place of abode there makes you a statutory resident. Keep a day log.

Does a declaration of domicile change my taxes?

It helps show intent in Florida, but auditors look at all your actions, not one form.

Changing your tax home: how to stop owing the state you're leaving

Short answer

You stop owing your old state income tax when you change your domicile: the one place you intend to make your permanent home and return to. Buying a house somewhere else is not enough by itself. You show the change with actions: move in, register to vote, get a new driver's license and car registration, claim the homestead exemption, move your doctors and the things that matter to you, and file a final part-year return in the old state. If you keep a home in the old state, some states can still tax you as a resident based on days spent there.

Not tax or legal advice. Confirm with both states' revenue departments or a tax professional.

At a glance

Step	Why it matters
Sell, or stop using, the old home as your main home	Keeping a usable home there is the most common audit trigger
New driver's license, car registration, voter registration	The first records an auditor checks
Homestead exemption in the new state	Most states give it only for your permanent home
Declaration of domicile (where offered, e.g. Florida)	A sworn, recorded statement of intent
Doctors, bank, church, clubs, safe-deposit box in the new state	"Where your life is" counts, not just where your mail goes
Final part-year resident return in the old state	Marks the date you left
A log of days in each state	Your evidence if the old state asks

Domicile versus residency

Your domicile is your permanent home; you have only one at a time. Many states can also tax you as a statutory resident even when your domicile is elsewhere. New York is the usual example: if you keep a permanent place of abode in New York and spend more than 183 days there in a year, New York taxes you as a resident. Any part of a day in the state counts as a day. Sources: New York Tax Law § 605(b)(1)(B); 20 NYCRR 102.2(c), as cited in NYS Division of Tax Appeals determinations; NYS Department of Taxation and Finance, TSB-A-04(4)I.

Why some states look closely

High-tax states have audit programs for people who say they moved. Auditors compare where you say you live with your records: days in each state, where your home and belongings are, where your doctors and bank are, where you vote. Keeping a home you still use in the old state makes the case harder. A seasonal camp or vacation cottage generally doesn't count as a permanent place of abode in New York, but a home you have the right to live in can, even if you use it rarely. Sources: NYS Department of Taxation and Finance, TSB-A-04(4)I; Matter of Gaied v New York State Tax Appeals Tribunal, 22 NY3d 592 (2014); NY Appellate Division decision 2022-04206.

Florida's declaration of domicile

Florida lets you file a sworn declaration of domicile with the clerk of the circuit court in your county. It is evidence of intent; it does not replace the other steps, and it is separate from the homestead exemption application. Sources: Florida Statutes § 222.17; Charlotte County Clerk, Declaration of Domicile form.

Military retirees

Retired pay is taxed (or not) by the state where you are domiciled. Before you choose a town, read the state's page: Is military retirement taxable? compares the states we cover.

FAQ

How do I change my state of residence for taxes?: Make the new state your permanent home and show it: live there, register to vote, get a driver's license, claim the homestead exemption, and file a final part-year return in the old state.
Can I keep my old house and still change my domicile?: You can, but it is the most common reason an old state questions the move. In some states, keeping a home there and spending more than half the year there makes you a resident for tax purposes anyway.
How many days can I spend in my old state?: It depends on the state. In New York, more than 183 days with a permanent place of abode there makes you a statutory resident. Keep a day log.
Does a declaration of domicile change my taxes?: It helps show intent in Florida, but auditors look at all your actions, not one form.

Sources

Last reviewed October 21, 2026. Not tax or legal advice.

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