The Zaffaroni Foundation | Foundation Profile

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

EIN: 94-6100109

Foundation Overview

Based in Menlo Park, CA, The Zaffaroni Foundation has awarded 64 grants totaling $2,337,500 to organizations in California and Oregon. Individual grants range from $1,000 to $250,000, with a median award of $10,000.

Latest Tax Year
2023
Total Giving (all years)
$2,337,500
Total Assets
$5,442,341
Median Grant (all grants)
$10,000

Latest Form 990-PF Snapshot

Total Grants
4
Median Grant
$12,500
% Median Grant Growth
+25% (vs previous year)
Data extracted from IRS Form 990-PF filings. Last filing year: February 2026

Foundation Intelligence

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

New Applicant Friendliness
Relationship-Focused: 25%

1 of 4 recipients (25%) were new grantees. Foundation strongly favors organizations with proven track records. New partnerships develop slowly over time.

Geographic Focus
California

78% 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 Menlo Park (22%), Palo Alto (22%), Berkeley (16%).

Funding Trajectory
-50%

Declining funding trend with 50% decrease over 7 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Community Projects + 4 others

Diversified giving across multiple program areas with primary emphasis on community projects (52%). This broad approach suggests openness to various causes and innovative cross-sector solutions.

Where is The Money Going?

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Grants & Funding

Analyzing past grantees provides valuable insights into The Zaffaroni 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
Boys & Girls Club Of The Peninsula $150,000 Menlo Park, CA, US Continued Support Of The Club's Programs. First Of 3-year Pledge Of $100,000 Each. 2023
Peninsula Open Space Trust (Post) $15,000 Palo Alto, CA, US Donation To Post Programs In Land Conservation 2023
San Francisco Waldorf High School $10,000 San Francisco, CA, US Gift In Support Of Eurythmy Troupe Trip To Switzerland 2023
Marin Symphony Youth Orchestra $5,000 San Rafael, CA, US Donation In Support Of Myso Tour. 2023
Uc Berkeley Foundation $50,000 Berkeley, CA, US Gift In Support Of Prof. Daniel M. Kammen's Work In The Renewable & Appropriate Energy Lab (Rael) 2022
Boys & Girls Club Of The Peninsula $250,000 Menlo Park, CA, US Continued Support Of The Club's Programs. First Of 3-year Pledge Of $100,000 Each. 2022
Peninsula Open Space Trust (Post) $10,000 Palo Alto, CA, US Donation To Post Programs In Land Conservation 2022
Ashland Parks Foundation $5,000 Ashland, OR, US Support Of Ashland Parks And Recreation Programs 2022
Asante Foundation $25,000 Medford, OR, US Gift In Support Of Age-friendly Care Initiative At Asante Ashland Hospital, In Memory Of Donna Swanson. 2022
Peace House $10,000 Ashland, OR, US Gift In Support Of Services To Needy In Local Community, In Memory Of Donna Swanson 2022
First Congregational United Church Of Christ $10,000 Ashland, OR, US Gift In Support Of Music Fund, In Memory Of Donna Swanson 2022
San Francisco Waldorf High School $10,000 San Francisco, CA, US Gift In Support Of Eurythmy Troupe Trip To Switzerland 2022
Uc Berkeley Foundation $50,000 Berkeley, CA, US Gift In Support Of Prof. Daniel M. Kammen's Work In The Renewable & Appropriate Energy Lab (Rael) 2022
Boys & Girls Club Of The Peninsula $250,000 Menlo Park, CA, US Continued Support Of The Club's Programs. First Of 3-year Pledge Of $100,000 Each. 2022
Peninsula Open Space Trust (Post) $10,000 Palo Alto, CA, US Donation To Post Programs In Land Conservation 2022
Ashland Parks Foundation $5,000 Ashland, OR, US Support Of Ashland Parks And Recreation Programs 2022
Asante Foundation $25,000 Medford, OR, US Gift In Support Of Age-friendly Care Initiative At Asante Ashland Hospital, In Memory Of Donna Swanson. 2022
Peace House $10,000 Ashland, OR, US Gift In Support Of Services To Needy In Local Community, In Memory Of Donna Swanson 2022
First Congregational United Church Of Christ $10,000 Ashland, OR, US Gift In Support Of Music Fund, In Memory Of Donna Swanson 2022
San Francisco Waldorf High School $10,000 San Francisco, CA, US Gift In Support Of Eurythmy Troupe Trip To Switzerland 2022
Uc Berkeley Foundation $50,000 Berkeley, CA, US Gift In Support Of Prof. Daniel M. Kammen's Work In The Renewable & Appropriate Energy Lab (Rael) 2022
Boys & Girls Club Of The Peninsula $250,000 Menlo Park, CA, US Continued Support Of The Club's Programs. First Of 3-year Pledge Of $100,000 Each. 2022
Peninsula Open Space Trust (Post) $10,000 Palo Alto, CA, US Donation To Post Programs In Land Conservation 2022
Ashland Parks Foundation $5,000 Ashland, OR, US Support Of Ashland Parks And Recreation Programs 2022
Asante Foundation $25,000 Medford, OR, US Gift In Support Of Age-friendly Care Initiative At Asante Ashland Hospital, In Memory Of Donna Swanson. 2022
Peace House $10,000 Ashland, OR, US Gift In Support Of Services To Needy In Local Community, In Memory Of Donna Swanson 2022
First Congregational United Church Of Christ $10,000 Ashland, OR, US Gift In Support Of Music Fund, In Memory Of Donna Swanson 2022
San Francisco Waldorf High School $10,000 San Francisco, CA, US Gift In Support Of Eurythmy Troupe Trip To Switzerland 2022
Uc Berkeley Foundation $50,000 Berkeley, CA, US Gift In Support Of Prof. Daniel M. Kammen's Work In The Renewable & Appropriate Energy Lab (rael) 2021
Boys & Girls Club Of The Peninsula $100,000 Menlo Park, CA, US Continued Support Of The Club's Programs. First Of 3-year Pledge Of $100,000 Each. 2021
Peninsula Open Space Trust (post) $10,000 Palo Alto, CA, US Donation To Post Programs In Land Conservation 2021
Ashland Parks Foundation $5,000 Ashland, OR, US Support Of Ashland Parks And Recreation Programs 2021
Stanford University $8,000 Redwood City, CA, US Gift Directed To Dt. Dumaira Aasi's Gift Fund In Dermatology 2021
Awsna (the Assn Of Waldorf Schools Of North Americ $5,000 San Rafael, CA, US Contribution To Awsna Annual Fund 2020
Uc Berkeley Foundation $50,000 Berkeley, CA, US Gift In Support Of Prof. Daniel M. Kammen's Work In The Renewable & Appropriate Energy Lab (rael) 2020
Boys & Girls Club Of The Peninsula $100,000 Menlo Park, CA, US Continued Support Of The Club's Programs. First Of 3-year Pledge Of $100,000 Each. 2020
Peninsula Open Space Trust (post) $10,000 Palo Alto, CA, US Donation To Post Programs In Land Conservation 2020
Vallombrosa Center $5,000 Menlo Park, CA, US Contribution To Vallombrosa In Support Of Deferred Maintenance 2020
Ashland Parks Foundation $5,000 Ashland, OR, US Support Of Ashland Parks And Recreation Programs 2020
California Fire Foundation $10,000 Sacramento, CA, US Contribution To Support Programs Focused On Wildfire Prevention & Mitigation Efforts In Northern California 2020
Boys & Girls Club Of The Peninsula $76,000 Menlo Park, CA, US Education 2018
Menlo Charity Horse Show Inc $2,500 Atherton, CA, US Education 2018
Peninsula Open Space Trust $10,000 Palo Alto, CA, US Conservation 2018
San Francisco Opera $15,000 San Francisco, CA, US The Arts 2018
10000 Degrees $1,000 San Rafael, CA, US Education 2018
Uc Berkeley Foundation $50,000 Berkeley, CA, US Scientific Research 2018
Geohazards International $5,000 Menlo Park, CA, US Conservation 2018
Association Of Waldorf Schools Of North America (awsna) $5,000 Fair Oaks, CA, US Education 2018
Boys & Girls Club Of The Peninsula $75,000 Menlo Park, CA, US Education 2017
Menlo Charity Horse Show Inc $2,500 Atherton, CA, US Education 2017
Peninsula Open Space Trust $10,000 Palo Alto, CA, US Conservation 2017
San Francisco Opera $15,000 San Francisco, CA, US The Arts 2017
Stanford University Office Of Medical Center Development $10,000 Palo Alto, CA, US Scientific Research 2017
Uc Berkeley Foundation $50,000 Berkeley, CA, US Scientific Research 2017
Boys & Girls Club Of The Peninsula $75,000 Menlo Park, CA, US Education 2016
Menlo Charity Horse Show Inc $2,500 Atherton, CA, US Education 2016
Peninsula Open Space Trust $10,000 Palo Alto, CA, US Conservation 2016
San Francisco Opera $15,000 San Francisco, CA, US The Arts 2016
Stanford University $100,000 Stanford, CA, US Scientific Research 2016
Uc Berkeley Foundation $50,000 Berkeley, CA, US Scientific Research 2016
Alzheimer's Association $75,000 San Jose, CA, US Scientific Research 2016
Fresh Lifelines For Youth $5,000 Milpitas, CA, US Education 2016
Wildlife Conservation Network $10,000 San Francisco, CA, US Conservation 2016
Bay Area Cancer Connections $20,000 Palo Alto, CA, US Scientific Research 2016

Foundations Similar to The Zaffaroni Foundation

Discover 5 foundations with comparable assets ($5,432,393-$5,449,258), 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: 52-2284531 | 57 grants awarded
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$10,000
median grant
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Same state
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Excellent match

EIN: 95-4621358 | 252 grants awarded
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$7,250
median grant
Calabasas, CA
Same state
100%
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EIN: 68-0616611 | 131 grants awarded
$5,437,899
(≈ Similar)
$16,000
median grant
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Same state
100%
Excellent match

EIN: 75-6028620 | 143 grants awarded
$5,449,258
(≈ Similar)
$5,000
median grant
Ross, CA
Same state
100%
Excellent match

EIN: 46-1289389 | 101 grants awarded
$5,432,393
(≈ Similar)
$15,000
median grant
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Same state
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Excellent match

Contact Information

Official contact details for The Zaffaroni Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 94-6100109
Website N/A
Address PO BOX 9 Menlo Park, CA 94026-0009

Key People (3)

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

Director Lida Zaffaroni
Director Dr Alejandro A Zaffaroni
Director Leah Zaffaroni

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 The Zaffaroni 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 February 2026 based on IRS Form 990-PF filings. Foundation information reflects most recent available tax year data.