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Nonprofit · EIN 45-4008334

WISTERIA FOUNDATION

Tax-exempt · PALO ALTO, CA 94303

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in October, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2024October 31, 2025March 16, 2026990-PF on file
2023October 31, 2024March 17, 2025990-PF on file
2022October 31, 2023March 15, 2024990-PF on file

IRS record

EIN
45-4008334
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
2012
Accounting year ends
October
Files
Form 990-PF

Filing history

FormYear endedRevenueExpensesAssets
990-PFOctober 2025–––
990-PFOctober 2024–––
990-PFOctober 2023$28,325$82,611$1,101,681
990-PFOctober 2022–––
990-PFOctober 2021–––
990-PFOctober 2020–––
990-PFOctober 2019–––
990-PFOctober 2018–––

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF: e-filed returns processed since 2019; amounts from the IRS Statistics of Income extracts where available.

Other organizations in PALO ALTO