2025 Year-End Tax Strategies: Navigating the OBBBA and the Path to 2026
The One Big Beautiful Bill Act (OBBBA) of 2025 stabilizes key tax cuts, averting the feared 2026 cliff for business owners, executives, and HNW retirees. However, immediate action is required before December 31, 2025, to navigate critical new rules and temporary deductions.
Critical Year-End 2025 Action Items
For high-income earners, 2025 is the final window to maximize certain deductions before key OBBBA changes take effect in 2026.
1.Accelerate Charitable Giving (Avoid the Floor)
The OBBBA imposes a 0.5% Adjusted Gross Income (AGI) floor on itemized charitable deductions starting January 1, 2026 [Source 1]. This means taxpayers can only deduct contributions that exceed 0.5% of their AGI.
Action: Accelerate planned multi-year donations into 2025, using a Donor-Advised Fund (DAF) to secure the full deduction while maintaining control over future grant timing.
2.Optimize Pass-Through and Depreciation
The OBBBA permanently extends the 20% Qualified Business Income (QBI) deduction and reinstates 100% Bonus Depreciation retroactive to qualified property placed in service after January 19, 2025 [Source 2].
- Action: Place all major qualified capital expenditures (equipment, software) in service before year-end to claim the full deduction immediately. Review your Qualified Small Business Stock (QSBS) holdings, as the OBBBA also expanded exclusion thresholds.
- We recommend consulting with your CPA before doing anything here.
3. Review Income Timing & Retirement Shifts
The highest marginal individual tax rate remains at 37% for 2026. For those in a tax-neutral year (e.g., recently retired HNW) or those expecting income volatility:
- Action: Consider strategic Roth IRA Conversions. Paying the tax now, while you are potentially in a lower bracket, locks in decades of tax-free growth and tax-free distributions in retirement.
Planning for the 2026 Landscape
The OBBBA anchors long-term planning with certainty in core areas, while introducing new planning levers.
- Individual Rates: The permanent 10%-37% marginal rates mean your focus should shift to maximizing deductions within stabilized brackets.
- Estate & Gift Exemption: With the high exemption ($15M per person, indexed) now permanent [Source 3], estate planning shifts from urgent, reactive gifting to deliberate, long-term wealth transfer strategies.
- SALT Deduction: This is temporarily increased to $40,000 for Married Filing Jointly (MFJ) with income phaseouts [Source 4]. High-tax state residents should continue utilizing Pass-Through Entity Tax (PTET) workarounds for unlimited state-level deductions.
- Senior Deduction: A new $6,000 "Bonus Deduction" per person (65+) is available for all taxpayers [Source 5]. Be sure to evaluate the impact on income phaseouts for other benefits (e.g., Medicare premiums) and your total deductible amount.
The permanent stability in tax rates and the Estate and Gift Exemption allows for more deliberate, long-term wealth transfer strategies. However, the introduction of income phaseouts for new deductions, combined with the new complexity in charitable giving, means that the effective tax rate for high-income households remains highly dependent on precision planning.
Sources
- Source 1: Charitable Deduction Floor: New Limitations on Charitable Deductions Take Effect in 2026 | GT Law
- Source 2: QBI & Bonus Depreciation: Bonus Depreciation Is Back! And Other Big Beautiful Taxes | Allen Matkins
- Source 3: Estate & Gift Exemption: Federal Estate and Gift Tax Exemption to Increase to $15 Million Per Person in 2026 | Montgomery Purdue
- Source 4: SALT Deduction Cap: SALT Alert: Final OBBBA Temporarily Expands SALT Cap and Revises AMT Phaseout | Venable LLP
- Source 5: Senior Bonus Deduction: New $6000 'Senior Bonus' Deduction: What It Means for Taxpayers Age 65-Plus | Kiplinger
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