Massen Greene Foundation
Invitation OnlyLaguna Hills, California · EIN 33-0482555 · Private foundation
Grants paid (2025)$745K
Organizations funded9
Typical grant$75,000
Total assets$12.8M
Half of its grants to organizations were between $50,000 and $115,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
0% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Environmental Nature Center | Newport Beach, CA | Contribution in furtherance of recipient's exempt purpose. | $140,000 |
| Laguna Canyon Foundation | Laguna Beach, CA | Contribution in furtherance of recipient's exempt purpose. | $130,000 |
| Pacific Marine Mammal Center | Laguna Beach, CA | Contribution in furtherance of recipient's exempt purpose. | $115,000 |
| Algalita Marine Research & Education | Long Beach, CA | Contribution in furtherance of recipient's exempt purpose. | $105,000 |
| Boys and Girls Club of Laguna Beach | Laguna Beach, CA | Contribution in furtherance of recipient's exempt purpose. | $75,000 |
| Get Inspired | Garden Grove, CA | Contribution in furtherance of recipient's exempt purpose. | $50,000 |
| The Ecology Center | San Juan Capistrano, CA | Contribution in furtherance of recipient's exempt purpose. | $50,000 |
| Project 3R | San Juan Capistrano, CA | Contribution in furtherance of recipient's exempt purpose. | $50,000 |
| Rancho Santa Ana Botanic Garden Dba California Botanic Garden | Claremont, CA | Contribution in furtherance of recipient's exempt purpose. | $30,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $745,000 | 9 |
| 2024 | $1,095,000 | 10 |
| 2023 | $927,000 | 11 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 11, 2026 - IRS e-file batch, object ID 202601319349103990
- IRS Tax Exempt Organization Search for EIN 33-0482555
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.