The California State Capitol

Form 990-PFTax year 2025EIN 77-0388999

Greenside Foundation

A private foundation in San Jose, CA. Its return for tax year 2025 lists 43 grants and $77,395 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

    $77,395

    Grants listed
    43
    Assets, end of year
    $1,336,068
  • Tax year 2024

    $76,100

    Grants listed
    47
    Assets, end of year
    $1,278,861
  • Tax year 2023

    $83,145

    Grants listed
    49
    Assets, end of year
    $1,210,097
  • Tax year 2022

    $90,032

    Grants listed
    54
    Assets, end of year
    $1,212,275
  • Tax year 2021

    $83,402

    Grants listed
    49
    Assets, end of year
    $1,216,210
  • Tax year 2020

    $71,600

    Grants listed
    48
    Assets, end of year
    $1,132,013

Grants paid in 2025

43 grants, largest first

As listed on the return.

  1. Planned ParenthoodSan Jose, CA

    General operations

    $15,000
  2. Camp Del CorazonN Hollywood, CA

    General operations

    $10,000
  3. Silicon Valley Independent Living CenterSan Jose, CA

    General operations

    $5,000
  4. KqedSan Francisco, CA

    General operations

    $4,000
  5. The Bishop's SchoolLa Jolla, CA

    General operations

    $3,000
  6. Dartmouth College FundHanover, NH

    General operations

    $2,500
  7. Scu Beach VolleyballSanta Clara, CA

    General operations

    $2,500
  8. Naval Post Graduate School FoundationMonterey, CA

    General operations

    $2,000
  9. The Zlac FoundationSan Diego, CA

    General operations

    $2,000
  10. Baja Animal SanctuarySan Diego, CA

    General operations

    $1,000
  11. CHP 11-99 FoundationFullerton, CA

    General operations

    $1,000
  12. Cystic Fibrosis FoundationBethesda, MD

    General operations

    $1,000
  13. Dartmouth College Friends BasketballHanover, NH

    General operations

    $1,000
  14. Dartmouth College Women's GolfHanover, NH

    General operation

    $1,000
  15. Del Monte Forest ConservancyPebble Beach, CA

    General operations

    $1,000
  16. First Tee of Silicon ValleySan Jose, CA

    General operations

    $1,000
  17. Lucious Bateman FoundationSan Jose, CA

    General operation

    $1,000
  18. Lvjusd - Smith Education FundLivermore, CA

    General operations

    $1,000
  19. Montalvo Arts CenterSaratoga, CA

    General operations

    $1,000
  20. Monterey Bay AquariumMonterey, CA

    General operations

    $1,000
  21. Ncga FoundationPebble Beach, CA

    General operations

    $1,000
  22. Ncga Youth of CoursePebble Beach, CA

    General operations

    $1,000
  23. North Coast Repertory TheaterSolana Beach, CA

    General operations

    $1,000
  24. Pebble Beach Company FoundationPebble Beach, CA

    General operations

    $1,000
  25. Primera Baptist ChurchSan Jose, CA

    General operations

    $1,000
  26. San Francisco Public Golf AllianceSan Francisco, CA

    General operations

    $1,000
  27. San Jose Museum of ArtSan Jose, CA

    General operations

    $1,000
  28. San Jose OperaSan Jose, CA

    General operations

    $1,000
  29. San Jose State University Men's GolfSan Jose, CA

    General operations

    $1,000
  30. San Jose State University Women's GolfSan Jose, CA

    General operations

    $1,000
  31. Second Harvest Food BankSan Jose, CA

    General operations

    $1,000
  32. SPCA of Monterey CountyMonterey, CA

    General operations

    $1,000
  33. Stanford Men's GolfStanford, CA

    General operations

    $1,000
  34. Temple Emanu-ElSan Jose, CA

    General operations

    $1,000
  35. Tennessee Golf FoundationFranklin, TN

    General operations

    $1,000
  36. The Child's Primary SchoolSan Diego, CA

    General operations

    $1,000
  37. University of San DiegoSan Diego, CA

    General operations

    $1,000
  38. Wellesley CollegeWellesley, MA

    General operations

    $1,000
  39. Chaminade High SchoolMineola, NY

    General operations

    $500
  40. First Tee of Tri-ValleyPleasanton, CA

    General operations

    $500
  41. Stanford Law SchoolStanford, CA

    General operations

    $500
  42. The Painted TurtleSanta Monica, CA

    General operations

    $500
  43. Cancer CarepointSan Jose, CA

    General operations

    $395

Where the money goes

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

  1. Sports and recreation2 grants $12,00043% of the total
  2. Arts and culture2 grants $5,00018% of the total
  3. Human services1 grant $5,00018% of the total
  4. Education2 grants $2,0007% of the total
  5. Philanthropy and grantmaking2 grants $2,0007% of the total
  6. Animals1 grant $1,0004% of the total
  7. 2 other causes2 grants $8953% of the total

By State

Grants to organizations with a US address, latest year.

  1. California36 grants $69,395
  2. New Hampshire3 grants $4,500
  3. Massachusetts1 grant $1,000
  4. Maryland1 grant $1,000
  5. Tennessee1 grant $1,000
  6. New York1 grant $500

Officers, directors and trustees

4 people as filed

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

  • Gary S VandewegheTRUSTEE Hours 1Pay $0
  • Barbara M VandewegheTRUSTEE Hours 1Pay $0
  • Tiffany A Vandeweghe ClearyTRUSTEE Hours 0Pay $0
  • Tracy A Vandeweghe BalsdonTRUSTEE Hours 0Pay $0

The return

More foundations

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

  1. Ferrari Family FoundationPortola Valley, CA 66 grants Preselected only $75,209 giving
  2. The Janet Langdon Handtmann Family FoundationSanta Ynez, CA 20 grants Preselected only $74,100 giving
  3. Pine Meer FoundationPalos Verdes Peninsula, CA 12 grants Accepts applications $71,800 giving
  4. The Goughary FoundationIrvine, CA 8 grants Preselected only $68,000 giving
  5. Lake Murray Kiwanis Club FoundationSan Diego, CA 17 grants Accepts applications $67,893 giving