Maine residency rules

How many days can you spend in Maine before you’re a resident?

183 days. Maine treats you as a resident once you reach 184 or more days in the state in a year and keep a place to live there, even if your permanent home is somewhere else.

The rule in Maine

Maine treats you as a statutory resident if you maintain a permanent place of abode in the state for the entire tax year and spend more than 183 days of the year in Maine. Any portion of a day counts as a full day.

Two people can have the same permanent home in another state and get different answers, purely on days. Keeping the count below the line, and being able to prove it, is the entire game.

Source: maine.gov

How long do you have to live in Maine to be considered a resident?

Two ways. You become a Maine resident the day you make it your domicile, however few days you have spent there. Or, even with a permanent home elsewhere, you are treated as a resident once you reach 184 days in Maine in a single year while keeping a place to live there. The second route is the one that catches people by surprise.

Maine residency requirements for taxes

Maine looks at domicile first, then at days. Domicile is where your permanent home is, judged on the facts below. On top of that, the day-count rule above can make you a resident regardless of domicile.

What counts as a day

In most states any part of a day spent in the state counts as a full day, including the day you arrive and the day you leave. Layovers and driving through can count too. A few states exempt time in transit or days spent in a hospital, but the safe assumption is that if you were there at any point, the day counts.

The count is per calendar year and resets on January 1. Days do not have to be consecutive.

How Maine checks

The burden of proof is on you, not the state. In a residency audit the state asks for the records that show where you physically were, day by day:

Gaps in your records are usually resolved against you. A day you cannot place somewhere else is a day the state can argue you spent inside it.

Keep the proof automatically

Every day, counted. Every state, on record.

Whereabouts runs quietly in the background on your iPhone and logs which state you are in, day by day. You get a running day count for Maine and every other state, a timeline of every stay, and a one-tap CSV export for your accountant. Nothing leaves your phone.

Get Whereabouts, free for 7 days

Other states

Whereabouts helps you keep records. It is not tax or legal advice, and residency rules change. Confirm the rule for your situation with a CPA or tax attorney before relying on it.