Santa Clara University's tax ID number is: 94-1156617. Donations are tax-deductible.The Federal Tax I.D. number for the Santa Clara County Library is 35-2345011. We are a 501(c)(3) non-profit organization. Our tax ID number is 94-6081420. SVdP of Santa Clara County is registered 501(c)3 non-profit (Tax ID: 94-1358301). Our Tax ID number is 94-2221849. Our Tax ID number is 45-2189365. Give Through Stocks and Securities. Download our Stocks and Securities Donation Form and get our organization's Tax ID Number and other information.