Funding search · EIN 912001806 · Palo Alto, CA

The Charles and Roberta Katz

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

42
grants reported
$1.1M
total given
2022–2025
filing years
$12,000
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.

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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.

  • Earth Justice4 grants · $340,000
  • Exploratorium4 grants · $310,000
  • National Park Conservation Association (Npca)4 grants · $122,000
  • Stanford University4 grants · $98,000
  • Lifemoves4 grants · $70,000
  • Second Harvest4 grants · $55,000
  • Tidelines Institute3 grants · $45,000
  • East Palo Alto Academy Foundation4 grants · $30,000
  • World Wildlife Fund4 grants · $20,000
  • Tropical Landscape and Climate Program1 grant · $6,000

Giving over time

$279,500
2022
$278,000
2023
$267,000
2024
$290,000
2025

Grant history

All 42 reported grants, largest first.

  • $85,000

    Earth Justice · San Francisco, CA · 2025

    General funding

  • $85,000

    Exploratorium · San Francisco, CA · 2025

    General funding

  • $85,000

    Earth Justice · San Francisco, CA · 2024

    General funding

  • $85,000

    Earth Justice · San Francisco, CA · 2023

    General funding

  • $85,000

    Earth Justice · San Francisco, CA · 2022

    General funding

  • $75,000

    Exploratorium · San Francisco, CA · 2024

    General funding

  • $75,000

    Exploratorium · San Francisco, CA · 2023

    General funding

  • $75,000

    Exploratorium · San Francisco, CA · 2022

    General funding

  • $62,000

    Stanford University · Stanford, CA · 2022

    General funding

  • $34,000

    National Park Conservation Association (Npca) · Washington, DC · 2024

    General funding

  • $33,000

    National Park Conservation Association (Npca) · Washington, DC · 2025

    General funding

  • $30,000

    National Park Conservation Association (Npca) · Washington, DC · 2023

    General funding

  • $25,000

    Tidelines Institute · Gustavus, AK · 2023

    General funding

  • $25,000

    National Park Conservation Association (Npca) · Washington, DC · 2022

    General funding

  • $20,000

    Lifemoves · Menlo Park, CA · 2025

    General funding

  • $20,000

    Lifemoves · Menlo Park, CA · 2024

    General funding

  • $20,000

    Lifemoves · Menlo Park, CA · 2023

    General funding

  • $15,000

    Second Harvest · Chicago, IL · 2025

    General funding

  • $15,000

    Second Harvest · Chicago, IL · 2024

    General funding

  • $15,000

    Second Harvest · Chicago, IL · 2023

    General funding

  • $12,000

    Stanford University · Stanford, CA · 2025

    General funding

  • $12,000

    Stanford University · Stanford, CA · 2024

    General funding

  • $12,000

    Stanford University · Stanford, CA · 2023

    General funding

  • $10,000

    East Palo Alto Academy Foundation · Palo Alto, CA · 2025

    General funding

  • $10,000

    Tidelines Institute · Gustavus, AK · 2025

    General funding

  • $10,000

    East Palo Alto Academy Foundation · Palo Alto, CA · 2024

    General funding

  • $10,000

    Tidelines Institute · Gustavus, AK · 2024

    General funding

  • $10,000

    Lifemoves · Menlo Park, CA · 2022

    General funding

  • $10,000

    Second Harvest · Chicago, IL · 2022

    General funding

  • $6,000

    Tropical Landscape and Climate Program · Fairbanks, AK · 2025

    General funding

  • $5,000

    Mary'S Place · Seattle, WA · 2025

    General funding

  • $5,000

    World Wildlife Fund · Washington, DC · 2025

    General funding

  • $5,000

    World Wildlife Fund · Washington, DC · 2024

    General funding

  • $5,000

    East Palo Alto Academy Foundation · Palo Alto, CA · 2023

    General funding

  • $5,000

    Organization for Tropical Studies · Durham, NC · 2023

    General funding

  • $5,000

    World Wildlife Fund · Washington, DC · 2023

    General funding

  • $5,000

    East Palo Alto Academy Foundation · Palo Alto, CA · 2022

    General funding

  • $5,000

    World Wildlife Fund · Washington, DC · 2022

    General funding

  • $4,000

    Free Arts Nyc · New York City, NY · 2025

    General funding

  • $2,500

    Deschutes River Alliance · Portland, OR · 2022

    General funding

  • $1,000

    Deschutes River Alliance · Portland, OR · 2024

    General funding

  • $1,000

    Deschutes River Alliance · Portland, OR · 2023

    General funding

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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.