Kansas Nonprofit Tax Deadlines 2026

Complete guide to Nonprofit filing dates, extensions, estimated payment schedules, and required forms in Kansas for the 2026 tax year. Kansas imposes a state income tax, so Nonprofit entities must file both federal and state returns.

Kansas Nonprofit filing deadline

Nonprofit annual return generally due the 15th day of the 5th month.

On Track

Due: May 15, 2026

Extension: Nov 15, 2026

Form: State nonprofit return

Estimated payments

No state estimated payment schedule listed.

N/A

Due: N/A

Kansas Nonprofit Tax Calendar at a Glance

EventDate
Filing deadlineMay 15, 2026
Extension deadlineNov 15, 2026

FAQ

When is the Nonprofit tax filing deadline in Kansas for 2026?

The Kansas Nonprofit tax return is due May 15, 2026 for the 2026 tax year. An extension is available until Nov 15, 2026.

Does Kansas require Nonprofit estimated tax payments?

Estimated payments are not typically required at the entity level for Nonprofit in Kansas, but confirm with Kansas Department of Revenue.

What form do I file for a Nonprofit in Kansas?

Nonprofit entities in Kansas file using Form State nonprofit return. You can download the form from Kansas Department of Revenue at https://www.ksrevenue.gov.

Can I get an extension for my Kansas Nonprofit tax return?

Yes. Kansas allows an extension for Nonprofit returns until Nov 15, 2026. Note that an extension gives you more time to file, not more time to pay — any tax owed is still due by the original deadline of May 15, 2026.

What are the penalties for filing late in Kansas?

Kansas 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 Kansas Nonprofit taxes?

File through Kansas Department of Revenue. Visit https://www.ksrevenue.gov for e-filing options, downloadable forms, and payment portals.

Kansas Estimated Tax Payments

View the full quarterly estimated payment schedule for Kansas, including all entity types and payment methods.

View Kansas estimated payments →

Other Entity Types in Kansas

Nonprofit Deadlines in Neighboring States