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Tax Planning Checklist

Year-End Tax Optimization Checklist

As the calendar year draws to a close, proactive year-end tax planning becomes crucial for minimizing your tax burden. Taking deliberate steps now can significantly impact your tax liability for the current year and set you up for success in the next. Use this comprehensive checklist to ensure you're leveraging every available opportunity to optimize your finances.

20 ITEMSPublished Mar 12, 2026Updated Mar 27, 2026Live Content
By Orbyd Editorial · AI Fin Hub Team

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Checklist Sections

Work in focused batches instead of one long wall

Section 1

Optimize Income & Deduction Strategy

5 items
Use The ToolTax

Tax Bracket Calculator

Find your 2025 federal marginal bracket, effective rate, and per-bracket tax breakdown.

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Use The ToolTax

Gig Worker Quarterly Tax Set-Aside Planner

Set practical monthly and quarterly tax reserves for variable income.

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Use The ToolTax

Side Hustle Tax Calculator

Estimate side-income tax impact and set monthly and quarterly reserves.

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Section 2

Maximize Retirement & Investment Contributions

5 items

Section 3

Strategic Charitable Giving & Expense Planning

5 items

Section 4

Final Preparations & Professional Review

5 items

Pro Tips

Small moves that make the checklist easier to finish

Tax-Loss Harvesting with Wash Sale Rule: When harvesting capital losses, be extremely careful not to repurchase "substantially identical" securities within 30 days before or after the sale to avoid triggering the wash sale rule, which disallows the loss. Always confirm the settlement date of your trades.
State-Specific Tax Benefits: Beyond federal tax planning, research state-specific deductions or credits. Many states offer tax breaks for retirement contributions (like IRAs or 401ks), 529 plans, or energy efficiency upgrades, and these often have strict year-end deadlines.
Basis Reporting for Investments: Ensure your brokerage firm has accurate cost basis information for all your investments. Incorrect basis can lead to overpaying capital gains taxes, especially crucial when conducting tax-loss harvesting or selling appreciated assets. Review your year-end statements carefully.

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Planning estimates only — not financial, tax, or investment advice.