Partnership Tax Deadlines in Massachusetts

Federal and state filing dates, extensions, and estimate schedules for 2026.

Massachusetts filing deadline

MA partnerships receive an automatic 6-month extension.

Soon

Due: Mar 16, 2026

Extension: Sep 15, 2026

Form: Form 3

Estimated payments

No state estimated payment schedule listed.

N/A

Due: N/A

FAQ

Does Massachusetts require Partnership estimated payments?

Estimated payments are not typically required at the entity level, but confirm with Massachusetts Department of Revenue.

Where can I file Massachusetts Partnership taxes?

Use Massachusetts Department of Revenue resources at https://www.mass.gov/orgs/massachusetts-department-of-revenue for forms and filing instructions.