The California State Capitol

Form 990-PFTax year 2025EIN 33-0482555

Massen Greene Foundation

A private foundation in Laguna Hills, CA. Its return for tax year 2025 lists 9 grants and $745,000 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

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

    $745,000

    Grants listed
    9
    Assets, end of year
    $10,949,893
  • Tax year 2024

    $1,095,000

    Grants listed
    10
    Assets, end of year
    $10,229,378
  • Tax year 2023

    $927,000

    Grants listed
    11
    Assets, end of year
    $9,776,753
  • Tax year 2022

    $600,000

    Grants listed
    9
    Assets, end of year
    $9,328,571
  • Tax year 2021

    $735,000

    Grants listed
    11
    Assets, end of year
    $9,353,507
  • Tax year 2020

    $905,000

    Grants listed
    11
    Assets, end of year
    $8,785,181
  • Tax year 2019

    $602,500

    Grants listed
    11
    Assets, end of year
    $8,760,910
  • Tax year 2018

    $743,015

    Grants listed
    14
    Assets, end of year
    $8,411,800

Grants paid in 2025

9 grants, largest first

As listed on the return.

  1. Environmental Nature CenterNewport Beach, CA

    Contribution in furtherance of recipient's exempt purpose.

    $140,000
  2. Laguna Canyon FoundationLaguna Beach, CA

    Contribution in furtherance of recipient's exempt purpose.

    $130,000
  3. Pacific Marine Mammal CenterLaguna Beach, CA

    Contribution in furtherance of recipient's exempt purpose.

    $115,000
  4. Algalita Marine Research & EducationLong Beach, CA

    Contribution in furtherance of recipient's exempt purpose.

    $105,000
  5. Boys and Girls Club of Laguna BeachLaguna Beach, CA

    Contribution in furtherance of recipient's exempt purpose.

    $75,000
  6. Get InspiredGarden Grove, CA

    Contribution in furtherance of recipient's exempt purpose.

    $50,000
  7. The Ecology CenterSan Juan Capistrano, CA

    Contribution in furtherance of recipient's exempt purpose.

    $50,000
  8. Project 3RSan Juan Capistrano, CA

    Contribution in furtherance of recipient's exempt purpose.

    $50,000
  9. Rancho Santa Ana Botanic Garden DBA California Botanic GardenClaremont, CA

    Contribution in furtherance of recipient's exempt purpose.

    $30,000

Where the money goes

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

  1. Environment3 grants $320,00052% of the total
  2. Animals1 grant $115,00019% of the total
  3. Science and technology1 grant $105,00017% of the total
  4. Youth development1 grant $75,00012% of the total

By State

Grants to organizations with a US address, latest year.

  1. California9 grants $745,000

Officers, directors and trustees

3 people as filed

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

  • Kenneth O SolomonDIRECTOR & PRESIDENT Hours 10Pay $39,600
  • Larry D VinceDIRECTOR & C.F.O. Hours 10Pay $39,600
  • Kajsa JamesDIRECTOR & SECRETARY Hours 10Pay $39,600

The return

More foundations

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

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  4. The Hohbach Family FoundationPalo Alto, CA 50 grants Preselected only $810,000 giving
  5. The Kingfisher FoundationSan Francisco, CA 9 grants Preselected only $810,311 giving