Silvio & Mary Garaventa Family

CONCORD, CA EIN: 68-0100302

The Silvio & Mary Garaventa Family Foundation is a private family foundation established in 1986 and based in Concord, California. The foundation operates as a 501(c)(3) organization dedicated to philanthropic giving in support of education, health care, and Catholic charitable causes.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$4.1M

+10.4% YoY

Annual Giving

$41K

+36.7% YoY

Grant Count

5

+66.7% YoY

Avg Grant Size

$8K

-18.0% YoY

Under IRS private-foundation payout rules, Silvio & Mary Garaventa Family reported a distributable amount of $235K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's grantmaking focuses on:

  • Education — particularly scholarship support and educational institutions
  • Health Care
  • Philanthropy, Voluntarism & Grantmaking
  • Catholic charitable causes and institutions

The foundation primarily funds unrestricted grants to support specific scholarship programs, including the Saint Agnes School Scholarship, the Queen of All Saints Scholarship Fund, and the Br. Dominic Barardelli Endowed Scholarship.

Grantmaking

The foundation makes unrestricted grants to support its designated scholarship funds and charitable organizations.

Grant Types

**

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Geographic Focus

Where this funder awards grants

The foundation's grantmaking is primarily concentrated in California.

Grant Distribution by State

2states

Cities

ConcordEl SobranteLafayetteLos GatosManhattan BeachMartinezMoragaOaklandPleasantonRosevilleSan LeandroWalnut Creek

Financial History

Multi-year comparison from IRS filings

As of Fiscal Year Ending March 2024:

  • Total Assets: $3,678,916
  • Total Revenues: $275,992
  • Total Expenses: $109,339
  • Total Liabilities: $0

Revenue Breakdown (FY 2024):

  • Investment income and dividends: $100,693
  • Net gain from sale of non-inventory assets: $168,576
  • Miscellaneous revenues: $6,723

Historical Assets:

  • FY 2024: $3,678,916
  • FY 2025 (most recent filing): $4,061,311

Staffing: The foundation operates with no employees.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$882K$2M$3M$4M20212022202320242025
Metric202520242023
Total Assets$4,061,311$3,678,916$3,512,263
Revenue$505,389$275,992$90,222
Expenses$122,994$109,339$3,206,025
Qualifying Distributions$48,500$38,847$3,070,854
Net Investment Income$330,890$205,500$70,922
Distributable Amount$234,572$205,283$363,303

Giving Over Time

Total grant dollars and number of grants per year

$0$763K$2M$2M$3M9 grants202112 grants20229 grants20233 grants20245 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

ST ROSE CATHOLIC SCHOOL$10KST PERPETUA SCHOOL$10KST MARY OF THE IMMACULATE$10KAMERICAN MARTYRS SCHOOL$10KVALLEY VIEW PTA$1K

Grant Size Distribution

38 grants across all recorded years

32<$50K3$50–100K$100–250K$250–500K$500K–1M3$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest include St Rose Catholic School ($10,000), St Perpetua School ($10,000), St Mary of the Immaculate ($10,000).

RecipientPurposeAmount
VALLEY VIEW PTA PLEASANTON, CAUNRESTRICTED$1,000
ST ROSE CATHOLIC SCHOOL ROSEVILLE, CAUNRESTRICTED$10,000
ST PERPETUA SCHOOL LAFAYETTE, CAUNRESTRICTED$10,000
ST MARY OF THE IMMACULATE LOS GATOS, CAUNRESTRICTED$10,000
AMERICAN MARTYRS SCHOOL MANHATTAN BEACH, CAUNRESTRICTED$10,000

Leadership & Key People

Leadership team and compensation from IRS filings

Current Trustees:

  • Louisa Binswanger
  • Marie Adler
  • Linda Colvis

Founder:

  • Silvio Garaventa, Sr. (deceased February 1998)
  • Mary Candida Garaventa (1924–2015)

The foundation was established by Silvio and Mary Garaventa. Mary Garaventa was a devout Catholic and strong advocate for education. The couple had five children: Silvio Garaventa, Jr., Cookie Garaventa Adler, Louisa Garaventa Binswanger, Joseph Garaventa, and Linda Garaventa Colvis.

Compensation Overview

From 2025 IRS filing

From 2025 filing

NameTitleHoursCompensation
LOUISA BINSWANGERTRUSTEE1
MARIE ADLERTRUSTEE1
LINDA COLVISTURSTEE1

Recent News & Activity

Recent developments and announcements

2005

The foundation continues active grantmaking in support of education and Catholic charitable causes. Recent activity includes grants to educational institutions and scholarship programs in California. The foundation's commitment to Catholic higher education is evidenced by its long-standing support of the University of Portland, including major gifts for the renovation of Waldschmidt Hall and support for the Earle A. Chiles Center and Harry A. Merlo Field. The family also established the Garaventa Center for Catholic Intellectual Life and American Culture at the University of Portland, dedicated in 2005.

NC TraCS Grant awarded to Silvio Antoniak, PHD | UNC Blood Research Center

Frequently Asked Questions

What does Silvio & Mary Garaventa Family fund?

The foundation's grantmaking focuses on: • **Education** — particularly scholarship support and educational institutions • **Health Care** • **Philanthropy, Voluntarism & Grantmaking** • **Catholic charitable causes and institutions** The foundation primarily funds unrestricted grants to support specific scholarship programs, including the Saint Agnes School Scholarship, the Queen of All Saints Scholarship Fund, and the Br. Dominic Barardelli Endowed Scholarship.

How do I apply for a grant from Silvio & Mary Garaventa Family?

**Grant Characteristics:** • Typical award range: $1,000–$1,000,000 • Median grant amount: $10,000 • Recent grant activity: Nine grants made in fiscal year 2024 **Recent Grants:** • California State PTA - Valley View Elementary School PTA: $1,000 (2024) **Grant Types:** The foundation makes unrestricted grants to support its designated scholarship funds and charitable organizations.

Where does Silvio & Mary Garaventa Family make grants?

The foundation's grantmaking is primarily concentrated in California.

What size grants does Silvio & Mary Garaventa Family award?

In 2025, Silvio & Mary Garaventa Family awarded 5 grants totaling $41K — an average of about $8K per grant, based on its IRS Form 990 filings.

How much is Silvio & Mary Garaventa Family required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2025, Silvio & Mary Garaventa Family reported a distributable amount of $235K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Silvio & Mary Garaventa Family's EIN?

Silvio & Mary Garaventa Family's EIN (Employer Identification Number) is 68-0100302. IRS Form 990 filing data is available on this page for 2021–2025.

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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