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Foundation Lookup

Form 990-PFTax year 2025EIN 93-4819152

Costa-Olson Family Foundation

A private foundation in Modesto, CA. Its return for tax year 2025 lists 7 grants and $255,100 paid in grants.

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Tax year 2025 (period ending Dec 31, 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

Accepts applications

The return gives an application contact and rules, as below.

Contact person
On file
Phone
On file
Email
On file
Mailing address
On file
Form and materials
On file
Deadlines
No deadlines
Restrictions
Organizations that are controlled, directly or indirectly, by the foundation's employes, directors, officers, or individuals related by blood or marriage to them, will not be elegible to receive any direct goods, services, or funds.

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Assets and giving by year

3 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $255,100

    Grants listed
    7
    Assets, end of year
    $4,924,579

  • Tax year 2024

    $288,200

    Grants listed
    5
    Assets, end of year
    $4,989,227

  • Tax year 2023

    $0

    Grants listed
    0
    Assets, end of year
    $5,007,886

Grants paid in 2025

7 grants, largest first

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

  1. Salvation ArmyModesto, CA

    Support general purposes of the organization

    $105,100
  2. Town School for BoysSan Francisco, CA

    Support general purposes of the organization

    $70,000
  3. San Francisco Museum of Modern ArtSan Francisco, CA

    Support general purposes of the organization

    $35,000
  4. San Francisco SymphonySan Francisco, CA

    Support general purposes of the organization

    $25,000
  5. California Academy of SciencesSan Francisco, CA

    Support general purposes of the organization

    $10,000
  6. Individual

    Support general purposes of the organization

    $5,000
  7. Smart- Schools Mentoring Resource TSan Francisco, CA

    Support general purposes of the organization

    $5,000

Where the money goes

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

  1. Arts and culture3 grants $70,00050% of the total
  2. Education1 grant $70,00050% of the total

By State

Grants to organizations with a US address, latest year.

  1. California6 grants $250,100

Officers, directors and trustees

3 people as filed

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

  • Kelsie CostaPresident/Direc Hours 1Pay $0
  • Christopher OlsonSecretary/Direc Hours 1Pay $0
  • Jeffrey R HamiltonTreasurer/Direc Hours 1Pay $0

The return

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