Go to IRS Publication 561 Determining the Value of Donated Property - https://www.irs.gov/publications/p561#idm140501112136416
Cost of appraisals.
You may not take a charitable contribution deduction for fees you pay for appraisals of your donated property. However, these fees may qualify as a miscellaneous deduction, subject to the 2% limit, on Schedule A (Form 1040) if paid to determine the amount allowable as a charitable contribution.
