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1099 Contractor in Maine with a Massachusetts Client: Where Do You File?

Home state, plus the client state if you work thereNo withholding — 1099

Answer

Maine always, Massachusetts sometimes. With no withholding on a 1099 the whole tax is yours to manage: estimate to Maine through the year, and file a Massachusetts nonresident return for any income from work you physically performed in Massachusetts, claiming the credit back on the Maine return.

Last verified

The client's location is the wrong thing to track. What matters is where you were sitting when you did the work — which is why a contractor's exposure to Massachusetts is measured in days on the ground rather than in invoices sent.

Massachusetts publishes no de minimis day count or dollar floor for nonresidents. Any Massachusetts-source wage income above the state's general filing threshold requires a nonresident return, and that threshold is reset each year — check the current figure on the Massachusetts Department of Revenue nonresident instructions before filing.

What you file

  1. 1Quarterly estimated payments · Maine

    Make quarterly estimated payments to Maine Revenue Services on your full self-employment income — nothing is withheld from a 1099.

  2. 2Nonresident return · MassachusettsForm 1-NR/PY

    File a Massachusetts nonresident return only if you performed services inside Massachusetts. Massachusetts publishes no de minimis day count or dollar floor for nonresidents. Any Massachusetts-source wage income above the state's general filing threshold requires a nonresident return, and that threshold is reset each year — check the current figure on the Massachusetts Department of Revenue nonresident instructions before filing.

  3. 3Resident return · MaineForm 1040ME Schedule A

    File the Maine resident return last and claim the credit for any tax paid to Massachusetts.

The two states, side by side

 MaineMassachusetts
Taxes wagesYes — graduatedYes — flat
Reciprocity partnersNoneNone
Convenience ruleNoNo
Nonresident returnForm 1040ME with Schedule NRForm 1-NR/PY
Credit for other-state taxForm 1040ME Schedule ASchedule OJC
Nonresident safe harbour12 days or a dollar floorNone published
Local income taxNoNo
Revenue departmentMaine Revenue ServicesMassachusetts Department of Revenue
Last verified

The other direction

Reversing the commute does not always reverse the answer. Living in Massachusetts and working in Maine gives:Home state, plus the client state if you work there.

Massachusetts to Maine →

Same two states, different situation

The withholding answer turns on how you are paid and where the work happens, not only on which two states are involved.

Other Maine pairs

Questions people actually ask

I live in Maine and my client is in Massachusetts. Do I have to file a Massachusetts tax return?

Maine always, Massachusetts sometimes. With no withholding on a 1099 the whole tax is yours to manage: estimate to Maine through the year, and file a Massachusetts nonresident return for any income from work you physically performed in Massachusetts, claiming the credit back on the Maine return.

Do reciprocity agreements help a 1099 contractor?

No. Every state reciprocity agreement in the country is an arrangement about wage withholding between two revenue departments, and a 1099 has no withholding to switch off. Whether Maine and Massachusetts hold an agreement makes no difference to a self-employed filer — sourcing rules decide the answer instead.

How current is this?

The Maine and Massachusetts rules on this page were last checked against Maine Revenue Services and Massachusetts Department of Revenue on 2026-08-07. We re-check the full grid every December after state legislative sessions close, and re-check the convenience-of-the-employer states quarterly because that is where the rules move fastest.

Sources

Every fact above comes from the revenue department that publishes the rule. We do not cite secondary summaries, and we do not restate a figure we could not find at source.