The California State Capitol

Form 990-PFTax year 2024EIN 80-0950493

The Umbrella Foundation

A private foundation in San Ramon, CA. Its return for tax year 2024 lists 8 grants and $23,550 paid in grants.

Tax year 2024 (period ending Jun 30, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $23,550

    Grants listed
    8
    Assets, end of year
    $974,501
  • Tax year 2023

    $11,040

    Grants listed
    7
    Assets, end of year
    $813,788
  • Tax year 2022

    $11,683

    Grants listed
    3
    Assets, end of year
    $492,573
  • Tax year 2021

    $22,941

    Grants listed
    6
    Assets, end of year
    $410,228
  • Tax year 2020

    $23,000

    Grants listed
    4
    Assets, end of year
    $518,823
  • Tax year 2019

    $27,000

    Grants listed
    4
    Assets, end of year
    $525,087
  • Tax year 2018

    $27,500

    Grants listed
    6
    Assets, end of year
    $582,797

Grants paid in 2024

8 grants, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    General philanthropy

    $5,000
  2. Individual

    Honor the fallen and all medal of honor recipients

    $5,000
  3. The ARC of the United StatesWashington, DC

    Mission of fighting for disability rights

    $5,000
  4. Child Mind InstituteNew York, NY

    Global nonprofit for childrens mental health

    $5,000
  5. Hospital for Special SurgeryNew York, NY

    To support the hospital and its mission

    $2,000
  6. Individual

    General philanthropy

    $1,000
  7. The Navy Seal FoundationVirginia Beach, VA

    Support mission for veterans families of NPW

    $500
  8. Wikipedia Foundation IncSan Francisco, CA

    Support the mission of the foundation

    $50

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Human services1 grant $5,00040% of the total
  2. Mental health1 grant $5,00040% of the total
  3. Health1 grant $2,00016% of the total
  4. Arts and culture1 grant $5004% of the total

By State

Grants to organizations with a US address, latest year.

  1. New York2 grants $7,000
  2. District of Columbia1 grant $5,000
  3. Virginia1 grant $500
  4. California1 grant $50

Officers, directors and trustees

2 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Angie RadermacherEXECUTIVE TRUSTEE Hours 2Pay $0
  • Todd RadermacherTRUSTEE Hours 8Pay $0

The return

More foundations

Similar foundations

Same main cause (human services), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. KSK Family FoundationSan Ramon, CA 5 grants Preselected only $9,206 giving
  2. Konocti Womens Service ClubKelseyville, CA 23 grants Preselected only $23,516 giving
  3. Goshen FoundationSan Mateo, CA 10 grants Preselected only $23,500 giving
  4. Whole Champion FoundationSanta Barbara, CA 5 grants Preselected only $23,387 giving
  5. Stephen Furbacher Charitable TrustPaso Robles, CA 7 grants Preselected only $24,000 giving