IRS 501(c)(3) Tax-Exempt Status
COSMO Silicon Valley has been recognized by the Internal Revenue Service as a tax-exempt nonprofit organization under Section 501(c)(3) of the Internal Revenue Code.
Legal Name: COSMO Silicon Valley
EIN: 41-5172900
IRS Determination Date: April 23, 2026
Public Charity Status: IRC Section 509(a)(2)
Contributions to COSMO Silicon Valley are tax-deductible to the extent permitted by law.
IRS Determination Letter
You may download and review our official IRS determination letter confirming our federal tax-exempt status.
Download IRS Determination Letter (PDF)Donations
Donations to COSMO Silicon Valley are greatly appreciated and help support our mission of promoting musical performance, music education, and community engagement through choral activities.
Please send the donation checks to:
COSMO Silicon Valley
P.O. Box 3574
Los Altos, CA 94024
Please include your mailing address or email address if you would like a donation acknowledgment receipt for tax purposes.
Verify Our Status
Our tax-exempt status may also be verified through the IRS Tax Exempt Organization Search database.