The Donald and Maureen Green Foundation
The Donald and Maureen Green Foundation is a private foundation based in Santa Rosa, California. It reported 16 grants totaling $426,632 in 2024, supporting organizations working in areas including conservation, education, food assistance, music, and wildlife rescue.
Key facts about The Donald and Maureen Green Foundation
In short: The Donald and Maureen Green Foundation gave $427K across 16 grants in 2024 (avg $27K), mostly in California. Source: 2024 IRS Form 990-PF.
- EIN
- 91-1811432
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $426,632
- Grants made (2024)
- 16
- Average grant
- $26,665
- Median grant
- $22,883
- Total assets
- $10,982,065
- Primary geography
- California (84% of itemized 2024 grant dollars)
- How to apply
- Contact Thomas H. Full details ↓
- Deadline
- The filing states there are no submission deadlines.
Data from IRS Form 990-PF, 2024; updated October 2026. Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$11.0M
-1.0% YoY
Annual Giving
$427K
-11.0% YoY
Grant Count
16
+6.7% YoY
Avg Grant Size
$27K
-16.5% YoY
Under IRS private-foundation payout rules, The Donald and Maureen Green Foundation reported a distributable amount of $538K for 2024 — the minimum it must pay out in qualifying distributions.
How The Donald and Maureen Green Foundation gives
- 69% of 2024 grantees were also funded in 2023. Method
- Giving grew 1069% from 2021 to 2024. Method
- In 2024 it paid out 80% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
No foundation mission statement is provided. Its 2024 grantees included organizations with varied missions. For example, Wildlife Conservation Network says it connects conservationists and supporters and deploys resources to the field; Redwood Empire Food Bank says it works to feed neighbors in need and lead the community to end hunger; and Sonoma Bach says it promotes the performance and enjoyment of early and classical music in Sonoma County. Other grantees included Sonoma State University, Pepperwood Foundation, Ocean Conservancy, Lewa Wildlife Conservancy USA, and The Bird Rescue Center.
Grantmaking
In 2024, the foundation gave 16 grants totaling $426,632. Grants ranged from $3,500 to $135,330, with a median grant of $22,883. The largest award was $135,330 to Wildlife Conservation Network. Other notable grants included $32,036 to Sonoma State University; $25,000 each to Santa Rosa Memorial Hospice, Pepperwood Foundation, Lewa Wildlife Conservancy USA, Sonoma Bach, Ocean Conservancy, and Redwood Empire Food Bank; and $20,766 to The Bird Rescue Center. The filing listed the purpose of these grants as “operational needs.”
The foundation’s 2024 filing states that it does not restrict giving to preselected organizations. Applicants are required to follow grant-proposal guidelines designed by the board and may request a copy from the board. The board determines an appropriate award amount based on the application received; the filing states there are no restrictions on awards.
Review Cycle
The filing states there are no submission deadlines.
How to Apply
Contact Thomas H. Birdsall and request the board’s grant-proposal guidelines.
Ready to take the next step with The Donald and Maureen Green Foundation?
Geographic Focus
Where this funder awards grants
In 2024, 84% of grant dollars went to recipients in California, 6% to New York, 6% to the District of Columbia, and 5% to Pennsylvania. The listed recipients show substantial support for organizations in California, including several in Sonoma County.
Grant Distribution by State
Share of 2024 grant dollars across all 16 itemized grants.
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $7K (2020) to $479K (2023). In 2024 it made 16 grants totaling $427K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Wildlife Conservation Network ($135K). Together the top 10 received $358K.
Grant Size Distribution
43 grants across all recorded years
The most common grant size was under $50K: 41 grants of 43 (95%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Wildlife Conservation Network San Francisco, CA | Operational Needs | $135,330 |
| Sonoma State University Rohnert Park, CA | Operational Needs | $32,036 |
| Santa Rosa Memorial Hospice Santa Rosa, CA | Operational Needs | $25,000 |
| Pepperwood Foundation Santa Rosa, CA | Operational Needs | $25,000 |
| Lewa Wildlife Conservancy USA New York, NY | Operational Needs | $25,000 |
| Sonoma Bach Cotati, CA | Operational Needs | $25,000 |
| Ocean Conservancy Washington, DC | Operational Needs | $25,000 |
| Redwood Empire Food Bank Santa Rosa, CA | Operational Needs | $25,000 |
| The Bird Rescue Center Santa Rosa, CA | Operational Needs | $20,766 |
| National Philanthropic Trust Jenkintown, PA | Operational Needs | $20,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants | Grant count |
|---|---|---|---|---|---|
| 2024 | $10,982,065 | $394,044 | $508,315 | $426,632 | 16 |
| 2023 | $11,096,336 | $263,021 | $534,045 | $479,111 | 15 |
| 2022 | $11,367,360 | $338,346 | $156,967 | $107,690 | 7 |
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $10,982,065 | $11,096,336 | $11,367,360 |
| Revenue | $394,044 | $263,021 | $338,346 |
| Expenses | $508,315 | $534,045 | $156,967 |
| Qualifying Distributions | $431,672 | $479,111 | $107,690 |
| Net Investment Income | $320,375 | $221,118 | $290,313 |
| Distributable Amount | $538,046 | $479,507 | $477,172 |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists Rebecca Green as president, Duncan Green as treasurer and CFO, Thomas H. Birdsall as secretary and executive director, and Daysi Green as director.
The Donald and Maureen Green Foundation is led by Rebecca Green, President since 2021 (on filings since 2020); none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
Rebecca Green
President
CFO & Secretary → President, 2021
On filings since 2020
5 hrs/week
No compensation reported
Thomas H. Birdsall
Secretary & Executive Director
Director & Executive Director → Secretary & Executive Director, 2021
On filings since 2020
4 hrs/week
No compensation reported
Daysi Green
Director
On filings since 2020
2 hrs/week
No compensation reported
Duncan Green
Treasurer & CFO
Director → Treasurer & CFO, 2021
On filings since 2020
2 hrs/week
No compensation reported
Former officers (1)
- Former: Donald Green (2020) — President
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Contact
Application contact: Thomas H Birdsall
Mailing address: 225 Mountain Meadow Lane, Santa Rosa, CA 95404
Phone: (415) 730-8174
Frequently asked questions about The Donald and Maureen Green Foundation
How much does The Donald and Maureen Green Foundation give each year?
The Donald and Maureen Green Foundation gave $427K across 16 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $479K across 15 grants.
What is The Donald and Maureen Green Foundation's typical grant size?
The Donald and Maureen Green Foundation's median grant in 2024 was $22,883, and its average grant was $26,665, across 16 grants on its 2024 IRS Form 990-PF.
Where does The Donald and Maureen Green Foundation give grants?
The Donald and Maureen Green Foundation gives mostly in California: 84% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were New York (6%) and District of Columbia (6%). The most frequent recipient cities were Santa Rosa, CA (8 grants) and San Francisco, CA (2 grants).
Does The Donald and Maureen Green Foundation give general operating support?
Yes: 100% of The Donald and Maureen Green Foundation's 2024 grants with a stated purpose (16 of 16) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The Donald and Maureen Green Foundation's largest grantees?
The Donald and Maureen Green Foundation's largest 2024 grantees include Wildlife Conservation Network ($135,330), Sonoma State University ($32,036) and Santa Rosa Memorial Hospice ($25,000), according to its 2024 IRS Form 990-PF. Together they received 45% of its itemized 2024 grant dollars.
How large is The Donald and Maureen Green Foundation?
The Donald and Maureen Green Foundation reported $11.0M in total assets on its 2024 IRS Form 990-PF. It paid out $432K in qualifying distributions that year, against a required minimum of $538K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Donald and Maureen Green Foundation fund?
No foundation mission statement is provided. Its 2024 grantees included organizations with varied missions. See mission & focus areas ↑
How do I apply for a grant from The Donald and Maureen Green Foundation?
Contact Thomas H. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Donald and Maureen Green Foundation's EIN?
The Donald and Maureen Green Foundation's EIN (Employer Identification Number) is 91-1811432. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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