How to Claim the Max Goodwill Donation Tax Deduction

There is no flat dollar limit on the maximum Goodwill donation tax deduction. If you itemize, the ceiling is a percentage of your adjusted gross income: 60% of AGI for cash gifts and 30% of AGI for appreciated property like stocks held longer than a year. Starting in tax year 2026, people who take the standard deduction can also deduct up to $1,000 per filer in charitable contributions without itemizing.

Itemizing or Taking the New Non-Itemizer Deduction

Which rules govern your deduction depends on whether you itemize. For 2026, the standard deduction is $16,100 for single filers, $32,200 for married couples filing jointly, and $24,150 for heads of household.¹ If your itemized deductions on Schedule A don’t clear those numbers, itemizing costs you money.

The One, Big, Beautiful Bill Act created a permanent above-the-line deduction beginning in 2026 that lets non-itemizers deduct up to $1,000 per filer in charitable contributions. Drop off $800 worth of clothing at Goodwill, take the standard deduction, and you can still deduct that $800. For donors whose giving alone never crossed the itemizing threshold, this is a real change.

The AGI percentage limits below apply only when you itemize on Schedule A.²

AGI Percentage Caps for Itemizers

Goodwill Industries is a 501(c)(3) public charity, which qualifies your donations for the most generous limits in the code:

60% of AGI for cash contributions. At $100,000 AGI, you can deduct up to $60,000 in cash gifts.
30% of AGI for donations of appreciated capital gain property, such as stocks or real estate held longer than one year. You deduct full fair market value and avoid the capital gains tax you would have owed on a sale.
30% of AGI for cash contributions to private non-operating foundations and certain other organizations that aren’t public charities.
20% of AGI for appreciated capital gain property donated to private non-operating foundations.

The One, Big, Beautiful Bill Act made these limits permanent, including the 60% cash limit that had been temporary under the 2017 Tax Cuts and Jobs Act.³

When you make both cash and property donations in the same year, the IRS applies the highest-limit contributions first. Cash gifts fill the 60% bucket, then 30% contributions use the remaining room, then 20% contributions go last. Anything over the applicable cap carries forward for five years and keeps its original percentage category.⁴

The New 0.5% Floor for 2026

Beginning in 2026, itemizers face a small floor: your charitable deduction is reduced by 0.5% of your AGI before the percentage caps apply. On $100,000 AGI, the first $500 of giving produces no tax benefit. A $5,000 donation to Goodwill turns into a $4,500 deduction. The reduction is modest but real, so plan for the number to come in slightly under what you gave.

How to Value What You Donate

Your deduction is based on fair market value at the time of the donation, not what you originally paid. For clothing and household goods, that’s the price a typical buyer would pay in a thrift store. Goodwill publishes a valuation guide with suggested ranges: men’s and women’s shirts $2 to $12, jeans $4 to $21, sofas $30 to $150, coffee makers $4 to $15. Brand, condition, and local demand move items within those ranges.

Every item of clothing or household goods must be in good used condition or better to claim any deduction. There’s one carve-out: a single item not in good condition can still be deducted if you claim more than $500 for it and file Form 8283 with a qualified appraisal.⁵

Donating appreciated stock held longer than a year works differently. If you bought shares for $5,000 and they’re now worth $15,000, you deduct the full $15,000 and owe no capital gains tax on the appreciation. The tradeoff is the 30% AGI cap rather than 60%.²

Vehicle Donations Follow a Different Rule

If you donate a car, boat, or airplane worth more than $500, your deduction is generally limited to the price the charity actually receives when it sells the vehicle, not the Kelley Blue Book value.⁶ The charity sends you Form 1098-C within 30 days of the sale showing the gross proceeds.⁷

You can deduct full fair market value in only a few situations: the charity uses the vehicle in a meaningful way, makes major repairs that significantly increase its value, or gives or sells it at a steep discount to someone in need.⁶ Vehicles claimed at $500 or less follow the standard non-cash donation documentation rules and don’t trigger Form 1098-C.

Documentation That Protects Your Deduction

Missing paperwork can wipe out an otherwise legitimate deduction. The requirements scale with the size of the gift.

Cash Gifts

For any cash gift, keep a bank record or written receipt from the charity. For cash gifts of $250 or more, you also need a written acknowledgment from the organization stating the amount and whether you received anything in return.⁸ You need it in hand by the time you file.

Non-Cash Under $250

Get a receipt with the organization’s name and address, the date, and a description of the items. At an unattended drop-off site where you can’t get a receipt, keep your own record with the same details plus each item’s condition and how you estimated value.²

Non-Cash of $250 or More

You need a written acknowledgment from Goodwill describing the property and stating whether anything was given in return. The charity is not required to estimate value.⁸

Non-Cash Over $500

Total non-cash donations exceeding $500 in a year require Form 8283 with your return. The form has two sections:⁹

Section A covers items or groups of similar items where the claimed deduction is $5,000 or less. You list each with a description, acquisition date, cost basis, and fair market value.
Section B covers any single item or group of similar items claimed above $5,000. This requires a qualified appraisal from an independent appraiser whose signature appears on the form.

A qualified appraiser must hold a recognized designation or have relevant coursework plus at least two years of experience valuing that type of property, and cannot be the donor, the charity, or anyone involved in the transaction.⁵ Bags of clothing rarely reach the appraisal threshold. Artwork, antiques, or a large furniture collection can hit it quickly.

Penalties for Overstating Value

Inflating what you donated is expensive. Claim a deduction 150% or more of the correct value, and the IRS can add a 20% accuracy-related penalty on the resulting tax underpayment. At 200% or more, the penalty doubles to 40%.¹⁰

Overstatements tied to the new non-itemizer charitable deduction under the One, Big, Beautiful Bill Act carry an even steeper 50% penalty on the underpayment.¹⁰ Use Goodwill’s valuation guide or comparable thrift store prices. Original retail is not a defensible number.

Getting to the Maximum Across Multiple Years

Five-Year Carryforward

Donations exceeding the applicable AGI cap are not lost. The excess carries forward for up to five tax years, still subject to that year’s percentage limit, on a first-in, first-out basis.⁴ An unusually generous year or a windfall gift doesn’t waste the deduction as long as later income can absorb it.

Bunching

If your annual giving doesn’t clear the standard deduction on its own, bunching helps. Concentrate two or three years of donations into a single year so your itemized deductions exceed the standard deduction that year, and take the standard deduction in the off years. Total giving stays the same; the tax benefit grows. A donor-advised fund makes this easier: contribute a lump sum, deduct it in the contribution year, and recommend grants to Goodwill on your own schedule.

Donating Appreciated Assets Instead of Cash

Holdings that have gained value over more than a year are usually better donated directly than sold first. You deduct full fair market value and skip the capital gains tax. The 30% AGI cap is the only tradeoff, and the five-year carryforward typically absorbs anything over the limit.⁴ Not every local Goodwill store accepts stock transfers, but Goodwill Industries International and many regional affiliates do.

1
Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026, Including Amendments From the One, Big, Beautiful Bill
2
Internal Revenue Service. Publication 526 (2025), Charitable Contributions
3
Internal Revenue Service. Charitable Contribution Deductions
4
Office of the Law Revision Counsel. 26 U.S. Code 170 – Charitable, Etc., Contributions and Gifts
5
Internal Revenue Service. Publication 561 (12/2025), Determining the Value of Donated Property
6
Internal Revenue Service. IRS Guidance Explains Rules for Vehicle Donations
7
Internal Revenue Service. Instructions for Form 1098-C
8
Internal Revenue Service. Charitable Contributions: Written Acknowledgments
9
Internal Revenue Service. Instructions for Form 8283 (Rev. December 2025)
10
Office of the Law Revision Counsel. 26 U.S. Code 6662 – Imposition of Accuracy-Related Penalty on Underpayments