If you donated to a nonprofit at one of our locations, you are able to access an electronic copy of our nonprofit partners' tax receipt below. This receipt is the only record of your tax-deductible donation.We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Fill this donation request form and you will receive your already filled donation receipt in PDF format directly in your inbox. Donations are tax-deductible. The Federal Tax I.D. number for the Santa Clara County Library is 35-2345011. A donation receipt documents the details of a cash or property donation that's gifted to an individual cause or organization. SantaClaraCounty.gov: The official portal for Santa Clara County, CA which provides essential services, information, and resources for County residents.