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Tax Foundation · Dec 18, 2025

State Tax Changes Taking Effect January 1, 2026

Tax Brief summary and classification of the original reporting.

Bottom Line

💡 State Tax Changes Taking Effect January 1, 2026. Worth reviewing for potential client impact.

Summary

Forty-three states will ring in 2026 with notable tax changes. Eight states will see reduced individual income tax rates in the new year while four states will see reduced corporate income tax rates.

Classification

Category: fyiPriority: importantReason: Contains 'state tax' - significant update

Deadline

january

Applies To

1040state

Affected Groups

Individual return preparers, State and local tax specialists

Original Source

We aggregate public tax updates and provide AI-assisted summaries. Please read the original reporting for full details.

Read original article