Massen Greene Foundation
Massen Greene Foundation is a private foundation based in Laguna Hills, California. Its 2025 grants went to nine California organizations, including environmental and nature education organizations, conservation groups, and other charitable organizations.
Massen Greene Foundation at a glance
In short: Massen Greene Foundation gave $745K across 9 grants in 2025 (avg $83K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $745,000
- -32.0% vs 2024
- Grants made (2025)
- 9
- -10.0% vs 2024
- Average grant
- $82,778
- -24.4% vs 2024
- Median grant
- $75,000
- Total assets
- $10,949,893
- +7.0% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
How to apply to Massen Greene Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 24881 Alicia Parkway Suite E 349, Laguna Hills, CA 92653
Phone: (714) 345-1524
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Massen Greene Foundation funds
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
The largest 2025 recipient was Environmental Nature Center ($140K). Together the top 9 received $745K.
Grant Size Distribution
50 grants across all recorded years
The most common grant size was in the $50–100K range: 20 grants of 50 (40%).
Geographic Focus
Where this funder awards grants
All grant dollars reported for filing year 2025 went to recipients in California.
Grant Distribution by State
Share of 2025 grant dollars across all 9 itemized grants.
States
Cities
How Massen Greene Foundation gives
- Giving grew 24% from 2022 to 2025. Method
- In 2025 it paid out 160% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $600K (2022) to $1.1M (2024). In 2025 it made 9 grants totaling $745K.
Grants by year
Grant recipients and amounts by year
| Recipient | 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 |
Ready to take the next step with Massen Greene Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $10,949,893 | $1,675,875 | $955,360 | $745,000 | 9 | $912,073 | $799,529 | $571,107 |
| 2024 | $10,229,378 | $1,729,866 | $1,277,241 | $1,095,000 | 10 | $1,244,511 | $812,617 | $528,903 |
| 2023 | $9,776,753 | $1,554,469 | $1,105,475 | $927,000 | 11 | $1,085,740 | $604,550 | $471,707 |
| 2022 | $9,328,571 | $781,389 | $807,137 | $600,000 | 9 | $746,316 | $184,748 | $476,814 |
| 2021 | $9,353,507 | $1,469,072 | $900,746 | $735,000 | 11 | $878,860 | $784,269 | $516,437 |
| 2020 | $8,785,181 | $1,095,316 | $1,071,045 | $905,000 | 11 | — | $375,948 | $451,309 |
Under IRS private-foundation payout rules, Massen Greene Foundation reported a distributable amount of $571K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grantees included organizations whose stated missions include nature education and conservation. The Environmental Nature Center says it provides quality education through hands-on experience with nature. Laguna Canyon Foundation says it is dedicated to conserving and protecting the South Coast Wilderness. Get Inspired says it seeks to inspire stewardship and curiosity about the natural world through science exploration and hands-on application.
Grantmaking
In filing year 2025, the foundation awarded $745,000 through nine grants. Grants ranged from $30,000 to $140,000, with a median of $75,000. The largest awards were $140,000 to Environmental Nature Center, $130,000 to Laguna Canyon Foundation, $115,000 to Pacific Marine Mammal Center, and $105,000 to Algalita Marine Research & Education. Other 2025 grants were $75,000 to Boys and Girls Club of Laguna Beach; $50,000 each to Get Inspired, The Ecology Center, and Project 3R; and $30,000 to Rancho Santa Ana Botanic Garden DBA California Botanic Garden. The stated purpose for each was a contribution in furtherance of the recipient’s exempt purpose.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Kenneth O Solomon as Director & President, Larry D Vince as Director & C.F.O., and Kajsa James as Director & Secretary.
Massen Greene Foundation is led by Kenneth O. Solomon, Director & President on every filing since 2020; all 3 officers listed in 2025 are compensated.
Officers on the 2025 filing
Kenneth O. Solomon
Director & President
On filings since 2020
10 hrs/week
$24K (2020) → $40K (2025)
Kajsa James
Director & Secretary
On filings since 2020
10 hrs/week
$24K (2020) → $40K (2025)
Larry D. Vince
Director & C.f.o.
On filings since 2020
10 hrs/week
$24K (2020) → $40K (2025)
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $40K, to Kenneth O Solomon (Director & President). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Massen Greene Foundation
How much does Massen Greene Foundation give each year?
Massen Greene Foundation gave $745K across 9 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.1M across 10 grants.
What is Massen Greene Foundation's typical grant size?
Massen Greene Foundation's median grant in 2025 was $75,000, and its average grant was $82,778, across 9 grants on its 2025 IRS Form 990-PF.
Where does Massen Greene Foundation give grants?
Massen Greene Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Laguna Beach, CA (3 grants) and San Juan Capistrano, CA (2 grants).
Who are Massen Greene Foundation's largest grantees?
Massen Greene Foundation's largest 2025 grantees include Environmental Nature Center ($140,000), Laguna Canyon Foundation ($130,000) and Pacific Marine Mammal Center ($115,000), according to its 2025 IRS Form 990-PF. Together they received 52% of its itemized 2025 grant dollars.
How large is Massen Greene Foundation?
Massen Greene Foundation reported $10.9M in total assets on its 2025 IRS Form 990-PF. It paid out $912K in qualifying distributions that year, against a required minimum of $571K (roughly 5% of its investment assets).
What does Massen Greene Foundation fund?
No mission statement for the foundation is provided. Its 2025 grantees included organizations whose stated missions include nature education and conservation. The Environmental Nature Center says it provides quality education through hands-on experience with nature. See mission & focus areas ↑
How do I apply for a grant from Massen Greene Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Massen Greene Foundation's EIN?
Massen Greene Foundation's EIN (Employer Identification Number) is 33-0482555. IRS Form 990 filing data is available on this page for 2020–2025.
Does Massen Greene Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 10, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 7, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 6, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 1, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 12, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
Explore Open Grants
Browse active grant opportunities in Massen Greene Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Orange County Community Foundation
Irvine, CA
The Orange County Community Foundation supports a wide range of causes, including human services, education, health, arts, the environment, and community development, primarily in Orange County and also beyond. Its 2025 grants had a median of $25,000, though amounts varied widely; it does not accept unsolicited requests.
Assets
$743.6M
Grants
975
Total Given
$120.4M
Croul Family Foundation
Irvine, CA
The foundation primarily supports K–12 education and organizations serving people who are economically disadvantaged or homeless, with priorities also including veterans, food banks, and shelters; its focus is Orange County, California. Typical grants are around $10,000 (2024 median), though published grant categories are $1,000–$14,999 and $15,000–$50,000. Its materials conflict on unsolicited requests: one says it does not accept them, while another says it accepts them but has very limited funds for general grants.
Assets
$24.0M
Grants
72
Total Given
$1.4M
The Devto Support Foundation
Newport Beach, CA
The DevTo Support Foundation funds 501(c)(3) organizations serving Orange County or the Coachella Valley, with priorities including disadvantaged youth, mentoring and enrichment, youth sports, faith-based programs, and recovery services. Typical core grants are $10,000–$75,000, with larger special grants of $100,000–$250,000; it does not accept unsolicited requests and considers proposals by invitation only.
Assets
$110.4M
Grants
105
Total Given
$4.9M
The Marisla Foundation
Laguna Beach, CA
The Marisla Foundation funds marine and coastal conservation, biodiversity and sustainable ecosystem management, environmental health, and human services for women in crisis; human services grants are limited to Orange County and Los Angeles, while environmental work can be national or international. Its 2024 grants ranged from $10,000 to $9.89 million, with a median of $75,000. It accepts online applications during quarterly windows after an eligibility quiz; deadlines are January 15, April 15, July 15, and October 15.
Assets
$21.1M
Grants
194
Total Given
$46.7M
Macgillivray Family Foundation
Laguna Beach, CA
The Macgillivray Family Foundation supports organizations working in areas such as arts and culture, community services, youth development, libraries, environmental conservation, and marine research and education, primarily in California. Its 2025 grants ranged from $500 to $50,000, with a median of $2,500. It accepts letters of inquiry of up to three pages; no deadline is stated.
Assets
$58K
Grants
43
Total Given
$191K
The Fluor Foundation
Irving, TX
The Fluor Foundation supports economic development, education, environmental stewardship, and public health and critical human needs in communities where Fluor has an established presence, often working with local schools and community organizations. In 2025, it awarded 77 grants totaling about $2.74 million, with a median grant of $12,000; it generally does not accept unsolicited requests and encourages organizations to contact a local Fluor Community Affairs representative.
Assets
$1.6M
Grants
77
Total Given
$2.7M
More similar funders
More Funders in California
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Massen Greene Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Massen Greene Foundation down — hundreds of funders to go?