Kentucky state tax extension guide
KENTUCKY · STATE TAX EXTENSION GUIDE

Kentucky Personal Tax Extension 2026: 2025 Tax-Year Filing Guide

Individual Income Tax · Form 740

Kentucky generally grants an automatic extension for individual returns. Kentucky generally provides a six-month extension. For federal details, see our federal tax extension resources.

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Kentucky Extension Deadlines
Individual return
Individual Income Tax
Automatic with Federal
October 15, 2026
KY Extension Status
Automatic with Federal
Payment Voucher
Online Payment

Kentucky generally grants an automatic extension for individual returns. Kentucky generally provides a six-month extension.

Last updated: September 12, 2026
Individual filing

Kentucky Personal Tax Extension: Filing Details

Kentucky generally grants an automatic extension for individual returns. Kentucky generally provides a six-month extension.

Extended Deadline
October 15, 2026
Extension Checklist
Original deadline
April 15, 2026
Extended deadline
October 15, 2026
Kentucky return
Extension method
File Form 740-EXT or attach federal Form 4868 as directed by Kentucky.
Payment
Pay Kentucky tax by April 15, 2026; use Form 740-EXT when applicable.
The extension applies to filing time only. Pay any balance due by the original deadline.
At a glance

Quick Reference: Deadlines and Forms

Use this summary to confirm Kentucky filing deadlines, forms, and payment requirements.

ItemKentucky personal returnDeadline or method
Original deadlineForm 740April 15, 2026
Extended deadlineAutomatic with FederalOctober 15, 2026
Return formForm 740Use the current form
PaymentForm 740-EXTDue April 15, 2026
State Agency
Kentucky Revenue
Common questions

Frequently Asked Questions

Answers about Kentucky personal tax extensions.