Funding search · EIN 680344239 · Ross, CA

Siebel Family Charitable Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

44
grants reported
$212,100
total given
2022–2025
filing years
$2,500
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

campaignendowmentrestoration

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • Ross School Foundation2 grants · $28,000
  • The Representation Project2 grants · $25,000
  • Branson School1 grant · $20,000
  • Clark Fork Coalition2 grants · $11,000
  • Alpha Pi Alliance for the Preservation of Historic Places2 grants · $11,000
  • St Anselm Church1 grant · $10,000
  • Greenwich Country Day School2 grants · $10,000
  • Conservation Int'L Fdn Development Dept1 grant · $10,000
  • Fellowship of Christian Athletes1 grant · $10,000
  • Bay Area Discovery Museum1 grant · $9,000

Giving over time

$47,500
2022
$44,800
2023
$32,300
2024
$87,500
2025

Grant history

All 44 reported grants, largest first.

  • $25,000

    Ross School Foundation · Ross, CA · 2025

    Support

  • $23,000

    The Representation Project · Sacramento, CA · 2023

    Support

  • $20,000

    Branson School · Ross, CA · 2025

    Endowment fund

  • $10,000

    Conservation Int'L Fdn Development Dept · Arlington, VA · 2025

    Support

  • $10,000

    St Anselm Church · Ross, CA · 2025

    Restoration campaign

  • $10,000

    Fellowship of Christian Athletes · Kansas City, MO · 2023

    Support

  • $10,000

    Alpha Pi Alliance for the Preservation of Historic Places · Verona, WI · 2022

    Support

  • $10,000

    Clark Fork Coalition · Missoula, MT · 2022

    Support

  • $9,000

    Bay Area Discovery Museum · Sausalito, CA · 2024

    Support

  • $7,050

    Marinhealth Foundation · Greenbrae, CA · 2024

    Support

  • $5,000

    Greenwich Country Day School · Greenwich, CT · 2025

    Support

  • $5,000

    Stanford University · Stanford, CA · 2025

    Support

  • $5,000

    Greenwich Country Day School · Greenwich, CT · 2024

    Support

  • $5,000

    Play Like Robert Foundation · Hamilton, MT · 2023

    Support

  • $5,000

    Brentwood School · Los Angeles, CA · 2022

    Support

  • $5,000

    The Branson School · Ross, CA · 2022

    Support

  • $3,000

    Treasure State Foundation · Helena, MT · 2025

    Support

  • $3,000

    Treasure State Foundation · Helena, MT · 2024

    Support

  • $3,000

    Jim Saunders Fund · Kailuakona, HI · 2023

    Support

  • $3,000

    Ross School Foundation · Ross, CA · 2022

    Support

  • $3,000

    Treasure State Foundation · Helena, MT · 2022

    Support

  • $2,500

    Conservation Int'L Fdn · Arlington, VA · 2025

    Support

  • $2,500

    Teller Wildlife Refuge · Corvallis, MT · 2022

    Support

  • $2,000

    Oceanic Society · Ross, CA · 2025

    Support

  • $2,000

    Raptors of the Rockies · Florence, MT · 2025

    Support

  • $2,000

    Oceanic Society · Ross, CA · 2024

    Support

  • $2,000

    Raptors of the Rockies · Florence, MT · 2024

    Support

  • $2,000

    Brentwood School · Los Angeles, CA · 2022

    Support

  • $2,000

    Raptors of the Rockies · Florence, MT · 2022

    Support

  • $2,000

    The Representation Project · Sacramento, CA · 2022

    Support

  • $1,250

    Duke University Alumni & Development Records · Durham, NC · 2024

    Support

  • $1,000

    Alpha Pi Alliance for the Preservation of Historic Places · Verona, WI · 2025

    Support

  • $1,000

    Clark Fork Coalition · Missoula, MT · 2025

    Support

  • $1,000

    Teller Wildlife Refuge · Corvallis, MT · 2025

    Support

  • $1,000

    Grace Science Foundation · Menlo Park, CA · 2024

    Support

  • $1,000

    Jim Saunders Fund · Kailuakona, HI · 2024

    Support

  • $1,000

    The Maven Project · San Francisco, CA · 2024

    Support

  • $1,000

    Grace Science Foundation · Menlo Park, CA · 2023

    Support

  • $1,000

    Oceanic Society · Ross, CA · 2023

    Support

  • $1,000

    The Maven Project · San Francisco, CA · 2023

    Support

  • $1,000

    Bitter Root Land Trust · Hamilton, MT · 2022

    Support

  • $1,000

    Grace Science Foundation · Menlo Park, CA · 2022

    Support

  • $1,000

    The Maven Project · San Francisco, CA · 2022

    Support

  • $800

    San Francisco Museum of Modern Art · San Francisco, CA · 2023

    Support

Who else funds this kind of work

Same state

Similar purposes

Similar grant size

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.