New Hampshire LLC Tax Deadlines 2026

Complete guide to LLC filing dates, extensions, estimated payment schedules, and required forms in New Hampshire for the 2026 tax year. New Hampshire does not have a state income tax, so LLC entities only need to file federal returns.

New Hampshire LLC filing deadline

No state individual income tax. Other business taxes may apply.

N/A

Due: N/A

Form: N/A

Estimated payments

No state estimated payment schedule listed.

N/A

Due: N/A

New Hampshire LLC Tax Calendar at a Glance

EventDate

FAQ

When is the LLC tax filing deadline in New Hampshire for 2026?

New Hampshire does not have a separate state filing requirement for LLC entities. Check with New Hampshire Department of Revenue Administration for the latest information.

Does New Hampshire require LLC estimated tax payments?

Estimated payments are not typically required at the entity level for LLC in New Hampshire, but confirm with New Hampshire Department of Revenue Administration.

What form do I file for a LLC in New Hampshire?

LLC entities in New Hampshire file using Form N/A. You can download the form from New Hampshire Department of Revenue Administration at https://www.revenue.nh.gov.

Can I get an extension for my New Hampshire LLC tax return?

Check with New Hampshire Department of Revenue Administration for extension options for LLC entities in New Hampshire.

What are the penalties for filing late in New Hampshire?

New Hampshire typically charges a failure-to-file penalty (usually 5% of unpaid tax per month, up to 25%) and a failure-to-pay penalty (usually 0.5-1% per month). Interest also accrues on unpaid balances. Filing for an extension by the original deadline avoids the failure-to-file penalty but not the failure-to-pay penalty.

Where can I file New Hampshire LLC taxes?

File through New Hampshire Department of Revenue Administration. Visit https://www.revenue.nh.gov for e-filing options, downloadable forms, and payment portals.

Other Entity Types in New Hampshire

LLC Deadlines in Neighboring States