Harold & Libby Ziff Foundation | Foundation Profile

GrantBay analyzes IRS Form 990-PF data to help grant seekers find fit funders like Harold & Libby Ziff Foundation. Data shown is extracted from Form 990-PF filings.

EIN: 95-2383366

Foundation Overview

Based in Carlsbad, CA, Harold & Libby Ziff Foundation has awarded 53 grants totaling $2,943,730 to organizations in California, District of Columbia and 1 other state across the US. Individual grants range from $360 to $300,000, with a median award of $25,000.

Latest Tax Year
2025
Total Giving (all years)
$2,943,730
Total Assets
$3,603,667
Median Grant (all grants)
$25,000

Latest Form 990-PF Snapshot

Total Grants
4
Median Grant
$53,750
% Median Grant Growth
+149% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: May 2026

Foundation Intelligence

Advanced analytics and strategic insights to help nonprofit organizations assess grant opportunities and optimize their application strategies

New Applicant Friendliness
Closed Network: N/A

0 of 4 recipients (0%) were new grantees. Foundation maintains tight relationships with established partners. New applicants rarely succeed without insider connections.

Geographic Focus
California

85% of all grants are concentrated in California, demonstrating highly focused geographic giving. This foundation prioritizes deep community impact in its primary service area. Within California, funding concentrates in San Francisco (47%), Stanford (20%), Palo Alto (18%).

Funding Trajectory
+16%

Stable funding levels with 16% change over 9 years indicate consistent grant-making capacity and predictable philanthropic resources. This stability suggests reliable ongoing funding opportunities.

Program Areas
Community Projects + General Purposes

Dual focus on community projects (60%) and general purposes, indicating strategic concentration in complementary program areas.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into Harold & Libby Ziff Foundation's funding preferences, organizational priorities, and grant making patterns. This historical data helps potential applicants understand the foundation's strategic focus and identify successful funding approaches.

Name Amount Location Purpose Year
Ronald C Wornick Jewish Day School $37,500 Foster City, CA, US General Support 2025
Oshman Family Jewish Community Center $25,000 Palo Alto, CA, US General Support 2025
Jewish Family And Children's Service Inc $100,000 San Francisco, CA, US General Support 2025
The Center For Jewish Campus Life $70,000 Stanford, CA, US General Support 2025
Ronald C Wornick Jewish Day School $37,500 Foster City, CA, US General Support 2024
Jewish Funders Network $360 New York, NY, US General Support 2024
Oshman Family Jewish Community Center $21,600 Palo Alto, CA, US General Support 2024
The Central Fund Of Israel $2,500 Cedarhurst, NY, US General Support 2024
Jewish Family And Children's Service Inc $25,000 San Francisco, CA, US General Support 2024
Ronald C Wornick Jewish Day School $37,500 Foster City, CA, US General Support 2024
Jewish Funders Network $360 New York, NY, US General Support 2024
Oshman Family Jewish Community Center $21,600 Palo Alto, CA, US General Support 2024
The Central Fund Of Israel $2,500 Cedarhurst, NY, US General Support 2024
Jewish Family And Children's Service Inc $25,000 San Francisco, CA, US General Support 2024
Ronald C Wornick Jewish Day School $15,400 Foster City, CA, US General Support 2023
American Friends Of The Israel Museum $500 New York, NY, US General Support 2023
Jewish Funders Network $910 New York, NY, US General Support 2023
Jewish Community Relations Council $5,045 San Francisco, CA, US General Support 2023
Oshman Family Jewish Community Center $15,045 Palo Alto, CA, US General Support 2023
The Center For Jewish Campus Life $70,000 Stanford, CA, US General Support 2023
Friends Of The Israel Defense Forces $30,000 New York, NY, US General Support 2023
The Center For Jewish Campus Life $65,000 Stanford, CA, US General Support 2022
Jewish Family And Children's Services Of Sf $200,000 San Francisco, CA, US General Support 2022
The Center For Jewish Campus Life $65,000 Stanford, CA, US General Support 2022
Jewish Family And Children's Services Of Sf $200,000 San Francisco, CA, US General Support 2022
The Center For Jewish Campus Life $65,000 Stanford, CA, US General Support 2022
Jewish Family And Children's Services Of Sf $200,000 San Francisco, CA, US General Support 2022
The Center For Jewish Campus Life $125,000 Stanford, CA, US General Support 2021
Jewish Family And Children's Services Of Sf $200,000 San Francisco, CA, US General Support 2021
Oshman Family Jewish Community Center $15,000 Palo Alto, CA, US General Support 2021
Jewish Community Relations Council $10,000 San Francisco, CA, US General Support 2021
The Jewish News Of Northern California $500 San Francisco, CA, US General Support 2021
New Israel Fund $15,000 San Francisco, CA, US General Support 2021
Jewish Film Institute $25,000 San Francisco, CA, US General Support 2021
Jewish Family And Children's Services Of San Francisco $300,000 San Francisco, CA, US General Support 2020
Jewish Film Institute $50,000 San Francisco, CA, US General Support 2020
Oshman Family Jewish Community Center $25,000 Palo Alto, CA, US General Support 2020
The Center For Jewish Campus Life $60,000 Stanford, CA, US General Support 2020
Zero To Three $150,000 Washington Dc, DC, US General Support 2020
Jewish Community Relations Council $10,000 San Francisco, CA, US General Support 2020
Wilshire Boulevard Temple $5,200 Los Angeles, CA, US General Support 2020
Jewish Family And Children's Services Of San Francisco $150,000 San Francisco, CA, US General Support 2018
Oshman Family Jewish Community Center $15,000 Palo Alto, CA, US General Support 2018
Tides Foundation & Tides Center $2,500 San Francisco, CA, US General Support 2018
Hillel At Stanford $50,000 Stanford, CA, US Capital Campaign 2017
Jewish Family And Children's Services Of San Francisco $150,000 San Francisco, CA, US General Support 2017
San Francisco Jewish Film Festival $25,000 San Francisco, CA, US General Support 2017
Wilshire Boulevard Temple $6,000 Los Angeles, CA, US General Support 2017
Oshman Family Jewish Community Center $15,000 Palo Alto, CA, US General Support 2017
Wilshire Boulevard Temple $11,210 Los Angeles, CA, US General Support 2016
San Francisco Jewish Film Festival $25,000 San Francisco, CA, US General Support 2016
Jewish Family And Children's Services Of San Francisco $125,000 San Francisco, CA, US General Support 2016
Hillel At Stanford $40,000 Stanford, CA, US Capital Campaign 2016

Foundations Similar to Harold & Libby Ziff Foundation

Discover 5 foundations with comparable assets ($3,587,849-$3,608,577), similar grant patterns, and geographic focus in CA that may also align with your organization's funding needs and grant seeking strategy.

Foundation Name Total Assets Typical Grant Size Service Area Similarity Match

EIN: 81-4621652 | 18 grants awarded
$3,600,721
(≈ Similar)
$22,500
median grant
Emeryville, CA
Same state
100%
Excellent match

EIN: 36-7720993 | 12 grants awarded
$3,608,577
(≈ Similar)
$20,000
median grant
Los Gatos, CA
Same state
100%
Excellent match

EIN: 82-5131211 | 7 grants awarded
$3,590,203
(≈ Similar)
$15,000
median grant
Irvine, CA
Same state
100%
Excellent match

EIN: 01-0675481 | 29 grants awarded
$3,589,451
(≈ Similar)
$50,000
median grant
Pasadena, CA
Same state
100%
Excellent match

EIN: 87-3342353 | 26 grants awarded
$3,587,849
(≈ Similar)
$16,753.5
median grant
Encino, CA
Same state
100%
Excellent match

Contact Information

Official contact details for Harold & Libby Ziff Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 95-2383366
Website N/A
Address 1925 PALOMAR OAKS WAY STE 210 Carlsbad, CA 92008-6526

Key People (2)

Board members, trustees, and key staff who oversee Harold & Libby Ziff Foundation's grant making decisions and strategic direction. Understanding leadership composition can provide insights into foundation priorities and potential networking opportunities.

Director Lela Z Sarnat
Director Emma Sarnat

Forms 990-PF

IRS Form 990-PF filings provide comprehensive financial information, grant details, and operational data. These documents are essential resources for understanding foundation capacity, giving patterns, and strategic priorities.

Form 990-PF Research Tips
  • Review Part XV for detailed grant recipient information and funding purposes
  • Check Part I for total assets, annual giving amounts, and payout requirements
  • Examine Part VIII for key personnel compensation and board structure
  • Look for trends across multiple years to understand giving patterns

About This Foundation Profile

This comprehensive foundation profile for Harold & Libby Ziff Foundation is powered by Grant Bay's advanced foundation research platform. Our system analyzes IRS Form 990-PF filings, grant histories, and philanthropic patterns to provide nonprofit organizations with actionable intelligence for grant seeking success.

Data Sources & Accuracy

All information is derived from official IRS filings and public records. Grant Bay processes thousands of Form 990-PF documents to extract grant details, financial data, and organizational information. Data accuracy depends on foundation reporting quality and IRS filing completeness.

Research Applications

Use this profile for prospect research, grant strategy development, application preparation, and relationship building. Combine this data with additional research on foundation priorities, application processes, and board member backgrounds for comprehensive grant seeking strategies.

Data Currency: Last updated May 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.