The Missouri State Capitol

Form 990-PFTax year 2025EIN 37-6634026

Mason Ave Family Foundation

A private foundation in Webster Groves, MO. Its return for tax year 2025 lists 15 grants and $1.1 million 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

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

    $1,101,760

    Grants listed
    15
    Assets, end of year
    $18,373,766
  • Tax year 2024

    $932,045

    Grants listed
    20
    Assets, end of year
    $18,049,597
  • Tax year 2023

    $996,741

    Grants listed
    17
    Assets, end of year
    $17,754,431
  • Tax year 2022

    $1,042,000

    Grants listed
    18
    Assets, end of year
    $18,086,197
  • Tax year 2021

    $1,000,000

    Grants listed
    11
    Assets, end of year
    $18,431,237
  • Tax year 2020

    $900,000

    Grants listed
    23
    Assets, end of year
    $18,311,139
  • Tax year 2019

    $878,300

    Grants listed
    25
    Assets, end of year
    $19,210,858
  • Tax year 2018

    $334,200

    Grants listed
    13
    Assets, end of year
    $19,427,416

Grants paid in 2025

15 grants, largest first

As listed on the return.

  1. St Louis University High SchoolSaint Louis, MO

    Fund of need

    $315,000
  2. Operation Food SearchSaint Louis, MO

    Fund of need

    $100,000
  3. Journeys of HopeSaint Louis, MO

    Fund of need

    $100,000
  4. Friends of the ForgottenLebanon, MO

    Fund of need

    $100,000
  5. Youthbridge Community FoundationSaint Louis, MO

    Fund of need

    $100,000
  6. Ambassadors of Father's HouseMatthews, NC

    Fund of need

    $63,964
  7. St Vincent de PaulSaint Louis, MO

    Fund of need

    $50,000
  8. The Chief Mason Griffith Foundation IncRosebud, MO

    Fund of need

    $50,000
  9. Hope Ignites St Loius - Boys Hope Girls HopeRichmond Heights, MO

    Fund of need

    $50,000
  10. Babson Rugby Development IncMarshfield, MA

    Fund of need

    $50,000
  11. St Louis Police FoundationSaint Louis, MO

    Fund of need

    $45,000
  12. Archdiocese of Saint LouisSaint Louis, MO

    Fund of need

    $35,000
  13. Kenrick-Glennon SeminarySaint Louis, MO

    Fund of need

    $25,000
  14. Mighty Oakes Heart FoundationSaint Louis, MO

    Fund of need

    $10,000
  15. Keen Saint LouisSaint Louis, MO

    Fund of need

    $7,796

Where the money goes

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

  1. Human services2 grants $150,00033% of the total
  2. Education1 grant $100,00022% of the total
  3. Food and agriculture1 grant $100,00022% of the total
  4. Sports and recreation1 grant $50,00011% of the total
  5. Disaster relief and public safety1 grant $45,00010% of the total
  6. Health1 grant $10,0002% of the total

By State

Grants to organizations with a US address, latest year.

  1. Missouri13 grants $987,796
  2. North Carolina1 grant $63,964
  3. Massachusetts1 grant $50,000

Officers, directors and trustees

3 people as filed

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

  • Leonard S Dino JrTRUSTEE Hours 2.5Pay $0
  • Carrie N DinoTRUSTEE Hours 2.5Pay $0
  • David ByrneTRUSTEE Hours 2.5Pay $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. Petersen Bruce & Cecilia Fdn-MainSaint Louis, MO 46 grants Preselected only $1,100,000 giving
  2. The Canda Charitable TrustSt Louis, MO 24 grants Preselected only $1,086,000 giving
  3. Better Together - the Advantage Solutions Education FoundationSt Louis, MO 58 grants Preselected only $1,142,404 giving
  4. Robert and Anna Drury Family Foundation TrustCape Girardeau, MO 83 grants Preselected only $1,038,610 giving
  5. Bluescope Foundation North AmericaKansas City, MO 211 grants Accepts applications $1,032,883 giving