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State rules

Maryland residency day rule.

If you keep a place of abode in Maryland for more than six months and spend 183 days or more there, you're a resident. Any part of a day counts, but a stay of 24 hours or less in a row counts as one day.

Summary as of October 2026 · Not tax advice

Day line183 or more + home
Type of testDay count with a home test
Home in the state requiredYes
LawMd. Code, Tax-Gen. § 10-101(k)
Official sourcewww.marylandtaxes.gov

What it means

Statutory residency tests apply on top of domicile. You can be domiciled elsewhere and still be taxed as a resident if you meet the test.

Keep the record

Whatever the rule, the person claiming not to be a resident usually has to prove it. Log every day, including travel days, and keep the receipts, boarding passes and photos that back it up. What auditors ask for.

States with the same kind of test

Questions

How many days can I spend in Maryland without becoming a resident?

If you keep a place of abode in Maryland for more than six months and spend 183 days or more there, you're a resident. Any part of a day counts, but a stay of 24 hours or less in a row counts as one day. Days alone aren't the whole story: domicile is a separate test.

Does a partial day in Maryland count?

Most states with a day test count any part of a day in the state. Maryland treats a stay of 24 hours or less in a row as one day.

Count your days

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