The Pennsylvania State Capitol

Form 990-PFTax year 2025EIN 23-6243026

Gatter Foundation

A private foundation in Unionville, PA. Its return for tax year 2025 lists 16 grants and $10,000 paid in grants.

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

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

6 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $10,000

    Grants listed
    16
    Assets, end of year
    $82,743
  • Tax year 2024

    $9,450

    Grants listed
    13
    Assets, end of year
    $91,563
  • Tax year 2023

    $10,000

    Grants listed
    15
    Assets, end of year
    $99,728
  • Tax year 2022

    $9,850

    Grants listed
    14
    Assets, end of year
    $108,441
  • Tax year 2021

    $10,100

    Grants listed
    13
    Assets, end of year
    $117,262
  • Tax year 2020

    $10,200

    Grants listed
    12
    Assets, end of year
    $126,615

Grants paid in 2025

16 grants, largest first

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

  1. Brandywine Valley SPCAWest Chester, PA

    Animal rescue

    $3,000
  2. Longwood GardensKennett SQ, PA

    Agricultural education

    $2,000
  3. Kennett Area Community ServiceKennett SQ, PA

    Provides food to indigent

    $1,000
  4. Winterthur Museum and LibraryWiterthur, DE

    Educates americans collections

    $800
  5. Castaway CatsBear, DE

    Animal rescue

    $500
  6. Good Samaritan ServicesLancaster, PA

    Helps the homeless

    $500
  7. Fairville Friends SchoolChadds Ford, PA

    School

    $500
  8. Treetops Animal RescueKennett Square, PA

    Animal rescue

    $500
  9. Chester County Food BankExton, PA

    Provides food to indigent

    $250
  10. Eagles Autism FoundationPhiladelphia, PA

    Promotes autism awareness

    $250
  11. Forgotten CatsGreenville, DE

    Animal rescue

    $200
  12. Longwood Fire CompanyKennett SQ, PA

    Provide fire protection

    $200
  13. Individual

    Promoting open space

    $100
  14. Individual

    [individual] RESCUE

    $100
  15. Individual

    PROVIDE [individual] PROTECTION

    $50
  16. Individual

    Agriculture education

    $50

Where the money goes

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

  1. Animals4 grants $4,20055% of the total
  2. Philanthropy and grantmaking1 grant $2,00026% of the total
  3. Human services1 grant $1,00013% of the total
  4. Food and agriculture1 grant $2503% of the total
  5. Disaster relief and public safety1 grant $2003% of the total

By State

Grants to organizations with a US address, latest year.

  1. Pennsylvania9 grants $8,200
  2. Delaware3 grants $1,500

Officers, directors and trustees

2 people as filed

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

  • Joan W GatterCHAIRMAN TRE Hours 0Pay $0
  • Evan M GatterSECR TRUSTEE Hours 0Pay $0

The return

More foundations

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

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  3. Katherine E HaynesPittsburgh, PA 1 grant Preselected only $9,547 giving
  4. Densmore TW FBO Dogs & CatsPittsburgh, PA 1 grant Preselected only $10,554 giving
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