Maier Family Foundation
Maier Family Foundation is a private foundation, based in Larkspur, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $773K in total assets. In 2025, it awarded 7 grants totaling $78K. Net investment income was $145K.
Maier Family Foundation at a glance
In short: Maier Family Foundation gave $78K across 7 grants in 2025 (avg $11K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $77,875
- +14.4% vs 2024
- Grants made (2025)
- 7
- -22.2% vs 2024
- Average grant
- $11,125
- +47.1% vs 2024
- Median grant
- $1,500
- Total assets
- $772,625
- +5.3% vs 2024
- Primary geography
- California (99% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Maier Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Berkeley Rep ($50K). Together the top 7 received $78K.
Grant Size Distribution
72 grants across all recorded years
The most common grant size was under $50K: 71 grants of 72 (99%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
States
Cities
How Maier Family Foundation gives
- Giving grew 31% from 2022 to 2025. Method
- In 2025 it paid out 159% 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 $42K (2020) to $78K (2025). In 2025 it made 7 grants totaling $78K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Berkeley Rep Berkeley, CA | Philanthropy | $50,000 |
| Magic Theatre San Francisco, CA | Philanthropy | $20,000 |
| Kqed San Francisco, CA | Philanthropy | $5,000 |
| Chabad of Tiburon Tiburon, CA | Philanthropy | $1,500 |
| Hias Foundation Silver Spring, MD | Philanthropy | $1,000 |
| Napa Valley College Napa, CA | Philanthropy | $275 |
| Marin Audobon Society Mill Valley, CA | Philanthropy | $100 |
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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 | $772,625 | $177,659 | $140,353 | $77,875 | 7 | $77,875 | $145,376 | $48,924 |
| 2024 | $733,482 | $61,232 | $125,687 | $68,077 | 9 | $68,077 | $32,093 | $48,840 |
| 2023 | $803,824 | $-14,784 | $95,100 | $45,250 | 12 | $45,250 | $9,417 | $44,653 |
| 2022 | $974,107 | $18,066 | $107,355 | $59,273 | 25 | $59,273 | $11,523 | $49,202 |
| 2021 | $1,050,538 | $39,391 | $102,244 | $49,953 | 19 | $49,953 | $117,356 | $53,324 |
| 2020 | $1,133,566 | $213,918 | $104,766 | $42,300 | 16 | — | $41,103 | $48,280 |
Under IRS private-foundation payout rules, Maier Family Foundation reported a distributable amount of $49K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Maier Family Foundation's 2025 filing lists 5 officers; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Diana L. Maier
Director
On filings since 2020
4 hrs/week
No compensation reported
Michele M. Maier
Director
On filings since 2020
4 hrs/week
No compensation reported
Melanie S. Maier
Vice President & Treasurer
On filings since 2020
4 hrs/week
No compensation reported
Susan Letcher
Chief Financial Officer
On filings since 2020
4 hrs/week
No compensation reported
Tracy Rapplin
Secretary
On filings since 2020
4 hrs/week
No compensation reported
Former officers (1)
- Former: Peter Maier (2020–2021) — Chairman & President
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.
Frequently asked questions about Maier Family Foundation
How much does Maier Family Foundation give each year?
Maier Family Foundation gave $78K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $68K across 9 grants.
What is Maier Family Foundation's typical grant size?
Maier Family Foundation's median grant in 2025 was $1,500, and its average grant was $11,125, across 7 grants on its 2025 IRS Form 990-PF.
Where does Maier Family Foundation give grants?
Maier Family Foundation gives mostly in California: 99% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (2 grants).
Does Maier Family Foundation give general operating support?
Not in 2025: none of the 7 grants with a stated purpose on Maier Family Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Philanthropy" (7 grants).
Who are Maier Family Foundation's largest grantees?
Maier Family Foundation's largest 2025 grantees include Berkeley Rep ($50,000), Magic Theatre ($20,000) and Kqed ($5,000), according to its 2025 IRS Form 990-PF. Together they received 96% of its itemized 2025 grant dollars.
How large is Maier Family Foundation?
Maier Family Foundation reported $773K in total assets on its 2025 IRS Form 990-PF. It paid out $78K in qualifying distributions that year, against a required minimum of $49K (roughly 5% of its investment assets).
What is Maier Family Foundation's EIN?
Maier Family Foundation's EIN (Employer Identification Number) is 94-3289365. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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 June 22, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS October 16, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 5, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS October 22, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
Explore Open Grants
Browse active grant opportunities in Maier Family Foundation's focus areas in our free grants database
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