Charitable Bunching
A strategy of concentrating multiple years of charitable contributions into a single tax year to exceed the standard deduction threshold and itemize, then taking the standard deduction in alternating years.
Detailed Explanation
Since the TCJA roughly doubled the standard deduction, most charitable giving no longer produces a tax benefit because itemized deductions fall short of the standard. Bunching solves this: instead of giving $10,000 every year (no itemizing benefit), give $30,000 every third year and itemize that year. Donor-advised funds (DAFs) make bunching practical because the lump-sum contribution is deductible immediately even though grants flow to charities over many years.
Key Points
- Concentrates several years of giving into one year to exceed the standard deduction and itemize.
- Take the standard deduction in the off years, maximizing the combined multi-year benefit.
- A donor-advised fund makes bunching practical: deduct the lump sum now, grant to charities over time.
- Most effective for taxpayers whose annual giving alone falls just short of the standard deduction.
- Donating appreciated long-term securities adds a capital-gains-avoidance benefit on top.
Practical Example
A couple normally gives $12,000 a year, but with a $30,000 standard deduction and $10,000 of other itemized deductions, they never itemize. By bunching three years of gifts ($36,000) into a donor-advised fund in one year, they itemize $46,000 that year (a $16,000 benefit over the standard), then take the standard deduction the next two years while the DAF distributes to charities.
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Learn about Tax Planning & StrategyRelated Terms
Donor-Advised Fund (DAF)
A charitable giving vehicle held by a public charity sponsor that lets a donor make a tax-deductible contribution today and recommend grants to qualifying charities over time.
Itemized Deductions
Specific deductions claimed on Schedule A in lieu of the standard deduction, including state and local tax, mortgage interest, charitable contributions, and medical expenses.
Standard Deduction
A fixed dollar amount that reduces taxable income, available to taxpayers who do not itemize deductions on Schedule A.
SALT Deduction (State and Local Tax)
The federal itemized deduction for state and local income, sales, and property taxes, capped at $10,000 ($5,000 for married filing separately) under TCJA, with the cap raised under OBBBA.
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