Peter E Sills Family Foundation | Foundation Profile

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

EIN: 46-4260360

Foundation Overview

Based in Kentfield, CA, Peter E Sills Family Foundation has awarded 50 grants totaling $380,900 to organizations in California. Individual grants range from $2,500 to $21,400, with a median award of $5,000.

Latest Tax Year
2023
Total Giving (all years)
$380,900
Total Assets
$1,159,492
Median Grant (all grants)
$5,000

Latest Form 990-PF Snapshot

Total Grants
6
Median Grant
$5,000
% No Significant Change
0% (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
Balanced Approach: 33%

2 of 6 recipients (33%) were new grantees. Foundation maintains loyal partnerships while remaining open to qualified new applicants with strong proposals.

Geographic Focus
California

100% 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 (44%), Tracy (16%), San Leandro (12%).

Funding Trajectory
-35%

Declining funding trend with 35% decrease over 7 years may indicate reduced grant opportunities or shifting foundation priorities. This trajectory suggests more competitive application environment.

Program Areas
Healthcare + 3 others

Diversified giving across multiple program areas with primary emphasis on healthcare (38%). 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 Peter E Sills Family 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 And Girls Club Of Tracy $20,000 Tracy, CA, US Youth Development Services And Programs 2023
49er Foundation $5,000 Santa Clara, CA, US Youth Development Services And Programs 2023
For The Love $2,500 Oakland, CA, US Youth Development Services And Programs 2023
Boys And Girls Club Of Tracy $20,000 Tracy, CA, US Youth Development Services And Programs 2023
49er Foundation $5,000 Santa Clara, CA, US Youth Development Services And Programs 2023
For The Love $2,500 Oakland, CA, US Youth Development Services And Programs 2023
Boys And Girls Club Of Tracy $20,000 Tracy, CA, US Youth Development Services And Programs 2022
Family House $5,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2022
George Marks Children Fund $5,000 San Leandro, CA, US Youth Development Services And Programs 2022
Oasis For Girls $10,000 San Francisco, CA, US Youth Development Services And Programs 2022
The Painted Turtle $5,000 Lake Hughes, CA, US Youth Development Services And Programs 2022
Smart $5,000 San Francisco, CA, US Youth Development Services And Programs 2022
Boys And Girls Club Of Tracy $20,000 Tracy, CA, US Youth Development Services And Programs 2022
Family House $5,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2022
George Marks Children Fund $5,000 San Leandro, CA, US Youth Development Services And Programs 2022
Oasis For Girls $10,000 San Francisco, CA, US Youth Development Services And Programs 2022
The Painted Turtle $5,000 Lake Hughes, CA, US Youth Development Services And Programs 2022
Smart $5,000 San Francisco, CA, US Youth Development Services And Programs 2022
Boys And Girls Club Of Tracy $20,000 Tracy, CA, US Youth Development Services And Programs 2022
Family House $5,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2022
George Marks Children Fund $5,000 San Leandro, CA, US Youth Development Services And Programs 2022
Oasis For Girls $10,000 San Francisco, CA, US Youth Development Services And Programs 2022
The Painted Turtle $5,000 Lake Hughes, CA, US Youth Development Services And Programs 2022
Smart $5,000 San Francisco, CA, US Youth Development Services And Programs 2022
Boys And Girls Club Of Tracy $21,400 Tracy, CA, US Youth Development Services And Programs 2021
Family House $5,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2021
George Marks Children Fund $8,000 San Leandro, CA, US Youth Development Services And Programs 2021
Schools Mentoring Resources Team $8,000 San Francisco, CA, US Youth Development Services And Programs 2021
The Painted Turtle $8,000 Lake Hughes, CA, US Youth Development Services And Programs 2021
At The Crossroads $8,000 San Francisco, CA, US Youth Development Services And Programs 2021
Oasis For Girls $3,000 San Francisco, CA, US Youth Development Services And Programs 2021
Stanford Narcolepsy Research $4,000 Palo Alto Drive, CA, US Medical Research 2021
49er Foundation $5,000 Santa Clara, CA, US Youth Development Services And Programs 2021
Boys And Girls Club Of Tracy $20,000 Tracy, CA, US Youth Development Services And Programs 2020
Family House Inc $3,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2020
At The Crossroads $5,000 San Francisco, CA, US General Appropriation 2017
Family House Inc $5,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2017
George Mark Children's House $5,000 San Leandro, CA, US General Appropriation 2017
Oasis For Girls $5,000 San Francisco, CA, US General Appropriation 2017
Schools Mentoring And Resource Team $5,000 San Francisco, CA, US Middle School Support Program For Emotional And Social Support For Disadvantaged Students 2017
The Board Of Trustees Of The Leland Stanford Junior University $10,000 Stanford, CA, US Narcolepsy Research 2017
The Painted Turtle $5,000 Lake Hughes, CA, US General Appropriation 2017
At The Crossroads $5,000 San Francisco, CA, US General Appropriation 2016
Boys And Girls Club Of Tracy $2,500 Tracy, CA, US Youth Development Services And Programs 2016
Family House Inc $5,000 San Francisco, CA, US Groceries, Prescriptions, And Other Necessities For Cancer Patients With Low Income 2016
George Mark Children's House $5,000 San Leandro, CA, US General Appropriation 2016
Oasis For Girls $5,000 San Francisco, CA, US General Appropriation 2016
Schools Mentoring And Resource Team $5,000 San Francisco, CA, US Middle School Support Program For Emotional And Social Support For Disadvantaged Students 2016
The Board Of Trustees Of The Leland Stanford Junior University $10,000 Stanford, CA, US Narcolepsy Research 2016
The Painted Turtle $5,000 Lake Hughes, CA, US General Appropriation 2016

Foundations Similar to Peter E Sills Family Foundation

Discover 5 foundations with comparable assets ($1,158,387-$1,162,601), 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: 94-6088667 | 75 grants awarded
$1,159,344
(≈ Similar)
$5,000
median grant
Hillsborough, CA
Same state
100%
Excellent match

EIN: 87-4136952 | 43 grants awarded
$1,158,387
(≈ Similar)
$5,182
median grant
Cupertino, CA
Same state
100%
Excellent match

EIN: 22-3501508 | 38 grants awarded
$1,162,180
(≈ Similar)
$6,500
median grant
Irvine, CA
Same state
100%
Excellent match

EIN: 68-0065800 | 9 grants awarded
$1,162,388
(≈ Similar)
$10,000
median grant
Tiburon, CA
Same state
100%
Excellent match

EIN: 20-8097726 | 70 grants awarded
$1,162,601
(≈ Similar)
$8,250
median grant
Palm Desert, CA
Same state
100%
Excellent match

Contact Information

Official contact details for Peter E Sills Family Foundation as registered with the IRS. These details are essential for grant applications, correspondence, and due diligence processes.

EIN 46-4260360
Website http://pesillsfamilyfoundation.org
Address 26 MAKIN GRADE Kentfield, CA 94904-1028

Key People (5)

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

Director & Chairman Peter E Sills
Vp - Development Hilary Thakral
Director David S Tallman
Director Denise Castle
Director Robert Tomasello

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 Peter E Sills Family 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.