Wollenberg Foundation

Wollenberg Foundation is a charitable organization in Menlo Park, California. Its tax id (EIN) is 94-6072264. It was granted tax-exempt status by IRS in March, 1954. For detailed information such as income and other financial data of Wollenberg Foundation, refer to the following table.


Profile of Wollenberg Foundation

Organization Name Wollenberg Foundation
Tax Id (EIN)94-6072264
Address 800 El Camino Real Ste 210, Menlo Park, CA 94025-4875
All tax-exempt organizations in zip code 94025
Tax PeriodAssetIncomeRevenue
December, 2012$40,505,616$14,829,522$0
December, 2013$42,348,342$15,415,569$0
December, 2014$41,851,536$6,659,141$0
December, 2015$41,433,117$20,652,583$0
December, 2016$39,847,803$8,927,555$0
December, 2017$38,452,723$12,336,257$0
December, 2018$37,685,095$11,957,438$0
December, 2019$37,374,703$11,976,546$0
December, 2020$33,722,672$12,561,423$0
December, 2021$34,610,082$8,798,438$0
December, 2022$33,670,699$10,972,016$0
December, 2023$32,652,334$9,974,388$0
IRS Exempt Status Ruling Date March, 1954
Exempt Status Unconditional Exemption
Deductibility Contributions are deductible
Organization's purposes,
activities, & operations
Gifts, grants, or loans to other organizations
Foundation Type Private non-operating foundation
Organization Type Trust
Organization Classification Charitable Organization
Affiliation Independent - This organization is an independent organization or an independent auxiliary (i.e., not affiliated with a National, Regional, or Geographic grouping of organizations).
Primary Return(s) Required to File 990 - Not required to file (all other)
Private Foundation Filing Requirement Need to file 990-PF return
Asset Range Reported on Form 990$10,000,000 to 49,999,999
Income Range Reported on Form 990$5,000,000 to 9,999,999
Accounting Period 12