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I donate quilts through my guild, so I don't claim any deductions.
I deduct the cost of the material and thread. It is usually warm here, so we don't use batting. My CPA also allows for one sewing machine tune up a year. I do not deduct for sewing machine needles. I do take photos of blankies and dresses made for donation in case I ever need it for the "guh-ment." (Forest Gump)
"A woman is like a tea bag-you can't tell how strong she is until you put her in hot water." Eleanor Roosevelt
According to the IRS person I contacted on this point, (and the Turbo Tax forms), one can use "comparable value". For example, if quilt of mine of similar complexity and size sold for X$, I may use that as the value. USED quilts like used clothing,would be a different thing entirely.
Save the receipts for all supplies and be sure the receipts are itemized if you plan to use a quilt donation for a deduction. You can't use the wear of machine or power cost to make the quilt unless you file as a business. And the place you donate it to has to be profit making and declare it I think. This is the way it use to be.
I donate to local Nursing home--little quilts and wheelchair / walker bags...never ever filed a claim. It's called "donation". I believe we should all give back if we've been blessed by.."there, but for the grace of God, go I".
i make tons of them and have never used them as a deductions, I don't have enough decutionts to claim any
I haven't tracked my expenses for deduction. I make the charity quilts for my pleasure because I love to make them and have run out of people to give them to.
But that's me.
You should consult a tax professional to be sure that you are deducting only what's appropriate and not missing something that you may deduct.
I think that documentation, as mentioned about saving the receipts, is important. It is also good to have a "thank you" or other note from the non-profit organization, which will be the verification that a donation was actually received from you.