Charitable giving and tax strategy can align well — but the benefit only materializes if you understand how the rules actually work. A lot of people either leave deductions on the table or claim them in ways that create problems.
Here's the complete picture.
The Standard Deduction Problem
The first thing to understand about charitable deductions is that most of the benefit comes when you itemize — though starting in 2026 there is a smaller deduction for people who don't.
The standard deduction for 2026 is $16,100 for single filers and $32,200 for married filing jointly. You only benefit from itemized deductions — including charitable contributions — when your total itemized deductions exceed your standard deduction.
For most people, the standard deduction is higher. If your mortgage interest, state and local taxes (capped at $40,400 for 2026, reduced at higher incomes), and charitable contributions add up to less than the standard deduction amount for your filing status, the charitable deduction produces no additional tax benefit.
Starting in 2026, if you don't itemize you can still deduct up to $1,000 of cash gifts to qualifying charities ($2,000 for married couples filing jointly). And if you do itemize, only the portion of your charitable giving above 0.5 percent of your adjusted gross income is deductible.
The Bunching Strategy
If your itemized deductions are consistently just below the standard deduction threshold, the bunching strategy closes that gap.
Instead of making annual charitable contributions every year, you make two years of contributions in a single year. You itemize that year, claiming the larger deduction. The next year, you take the standard deduction.
Example for a married couple filing jointly: if your mortgage interest plus property taxes totals $22,000, and you normally give $8,000 to charity annually: - Normal approach: $30,000 in itemized deductions every year — below the $32,200 standard deduction, so you take the standard deduction and the itemized charitable gifts add nothing - Bunching approach: $38,000 in year one (giving $16,000 instead of $8,000), itemize; $22,000 in year two, take the standard deduction
The math can produce meaningfully more tax benefit over a two-year period.
Bunching, appreciated stock, or a donor-advised fund — the right giving strategy depends on your income this year. Let's look at yours.
Donor-Advised Funds
A donor-advised fund makes bunching more practical. You contribute a lump sum to the fund — taking the full tax deduction in that year — and then distribute from the fund to specific charities over the following years on whatever schedule you choose.
This lets you take the tax deduction in the year it's most valuable, while distributing the money to charities over time as you would normally.
You can open a donor-advised fund at Fidelity, Schwab, or Vanguard with relatively low minimums. Contributions are irrevocable — the money is committed to charity — but you retain control over which organizations receive distributions and when.
Qualified Organizations
Not all charitable contributions are deductible. Donations must be made to IRS-recognized 501(c)(3) organizations. You can verify an organization's status at the IRS Tax Exempt Organization Search tool.
What doesn't qualify: political contributions, donations to individuals, contributions to foreign organizations (with limited exceptions), and payments where you receive something of equivalent value in return.
If you pay $500 for a charity gala ticket and the event itself is worth $200, your deductible contribution is $300 — the amount exceeding the fair market value of what you received.
Documentation Requirements
The IRS is specific about what documentation is required for charitable deductions.
For cash contributions under $250: a bank record or written receipt from the organization.
For contributions of $250 or more: a contemporaneous written acknowledgment from the organization that includes the amount contributed, whether any goods or services were provided in exchange, and if so their fair market value. "Thank you for your generous donation" doesn't satisfy this — the acknowledgment needs to contain the required elements.
For non-cash contributions of $250 to $500: written acknowledgment.
For non-cash contributions over $500: Form 8283 required, plus additional documentation of acquisition.
For non-cash contributions over $5,000: qualified appraisal required, with limited exceptions.
Keep the acknowledgment letters. The IRS takes documentation seriously on charitable contributions.
Appreciated Stock Donations
Donating appreciated stock — stock that has increased in value since you acquired it — is one of the most tax-efficient ways to give.
Here's why: if you own stock worth $10,000 that you purchased for $3,000, selling it produces $7,000 in capital gains. You pay capital gains tax on that $7,000 — at 15 or 20 percent for most taxpayers — before having $8,600 or so to donate.
If instead you donate the stock directly to a qualified charity, you deduct the full $10,000 fair market value without recognizing the $7,000 capital gain. The charity receives the stock, sells it without paying capital gains tax, and gets the full $10,000.
You deduct $10,000 instead of $8,600, and you avoid the capital gains tax entirely. This is a meaningful advantage for anyone with appreciated investments.
Qualified Charitable Distributions
If you're 70½ or older and have a traditional IRA, you can make qualified charitable distributions directly from your IRA to a qualified charity — up to an annual limit that is indexed for inflation.
QCDs count toward your required minimum distribution but are excluded from your taxable income. This is more valuable than taking the RMD and then donating — because it reduces your adjusted gross income, which affects Medicare premium calculations and other income-based thresholds.
Deduction Limits
Cash contributions to public charities are deductible up to 60 percent of your adjusted gross income. Contributions of appreciated property are generally limited to 30 percent of AGI. Excess contributions can be carried forward for up to five years.
For most people, these limits are academic — they're not giving at levels that approach them. But for high earners making large donations in a single year, the carryforward mechanism matters.
Two situations bring charitable giving up most often in our practice: year-end planning for people whose income came in higher than expected, and estate planning conversations where longer-term giving structures make sense. In both, getting the mechanics right determines whether the giving produces the tax benefit you're expecting.