The Clausen Family Foundation
The Clausen Family Foundation is a private foundation focused on N/A, based in San Francisco, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $5.3M in total assets. In 2024, it awarded 9 grants totaling $555K. Net investment income was $861K.
The Clausen Family Foundation at a glance
In short: The Clausen Family Foundation gave $555K across 9 grants in 2024 (avg $62K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $555,000
- +37.7% vs 2023
- Grants made (2024)
- 9
- +28.6% vs 2023
- Average grant
- $61,667
- +7.1% vs 2023
- Median grant
- $50,000
- Total assets
- $5,304,086
- +5.5% vs 2023
- Primary geography
- Massachusetts (54% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who The Clausen Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2024
The largest 2024 recipient was Brain & Behavior Research Foundation ($100K). Together the top 8 received $555K.
Grant Size Distribution
40 grants across all recorded years
The most common grant size was in the $50–100K range: 16 grants of 40 (40%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 9 itemized grants.
Cities
How The Clausen Family Foundation gives
- Giving grew 39% from 2021 to 2024. Method
- In 2024 it paid out 95% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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 2024, annual grant giving ranged from $375K (2020) to $555K (2024). In 2024 it made 9 grants totaling $555K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Brain & Behavior Research Foundation New York, NY | General Operating Support. | $100,000 |
| Fairwinds - Nantucket's Counseling Center Nantucket, MA | General Operating Support. | $100,000 |
| Theatre Workshop of Nantucket Nantucket, MA | General Operating Support. | $100,000 |
| Mary's Center for Maternal and Child Care Inc Washington, DC | General Operating Support. | $50,000 |
| Nantucket Safe Harbor for Animals Inc Nantucket, MA | General Operating Support. | $50,000 |
| Nantucket Safe Harbor for Animals Inc Nantucket, MA | Capital Campaign. | $50,000 |
| Northern Light School Oakland, CA | Scholar Scholarship Program. | $40,000 |
| NAMI Montgomery County Rockville, MD | General Operating Support. | $40,000 |
| Glenbrook Cooperative Nursery School Bethesda, MD | General Operating Support. | $25,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2024 | $5,304,086 | $939,661 | $661,968 | $555,000 | 9 | $571,941 | $860,583 | $604,660 |
| 2023 | $5,026,203 | $262,258 | $478,980 | $403,000 | 7 | $418,863 | $202,141 | $489,958 |
| 2022 | $5,243,165 | $418,444 | $581,498 | $495,000 | 9 | $509,067 | $361,013 | $483,041 |
| 2021 | $5,405,987 | $754,973 | $478,820 | $400,000 | 7 | $409,071 | $697,257 | $501,154 |
| 2020 | $5,129,785 | $531,861 | $439,036 | $375,000 | 8 | — | $478,176 | $408,637 |
Under IRS private-foundation payout rules, The Clausen Family Foundation reported a distributable amount of $605K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Clausen Family Foundation is led by Mark W. Clausen, President on every filing since 2020; none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
Mark W. Clausen
President
On filings since 2020
1 hr/week
No compensation reported
Lilli I. Alberga
Director
On filings since 2020
No compensation reported
Helen T. Clausen
Secretary
On filings since 2020
No compensation reported
Mary C. Davis
Vice President & Treasurer
On filings since 2020
1 hr/week
No compensation reported
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.
Frequently asked questions about The Clausen Family Foundation
How much does The Clausen Family Foundation give each year?
The Clausen Family Foundation gave $555K across 9 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $403K across 7 grants.
What is The Clausen Family Foundation's typical grant size?
The Clausen Family Foundation's median grant in 2024 was $50,000, and its average grant was $61,667, across 9 grants on its 2024 IRS Form 990-PF.
Where does The Clausen Family Foundation give grants?
The Clausen Family Foundation gives mostly in Massachusetts: 54% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were New York (18%) and Maryland (12%). The most frequent recipient cities were Nantucket, MA (4 grants).
Does The Clausen Family Foundation give general operating support?
Yes: 78% of The Clausen Family Foundation's 2024 grants with a stated purpose (7 of 9) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are The Clausen Family Foundation's largest grantees?
The Clausen Family Foundation's largest 2024 grantees include Brain & Behavior Research Foundation ($100,000), Fairwinds - Nantucket's Counseling Center ($100,000) and Nantucket Safe Harbor for Animals Inc ($100,000 across 2 grants), according to its 2024 IRS Form 990-PF. Together they received 54% of its itemized 2024 grant dollars.
How large is The Clausen Family Foundation?
The Clausen Family Foundation reported $5.3M in total assets on its 2024 IRS Form 990-PF. It paid out $572K in qualifying distributions that year, against a required minimum of $605K (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 is The Clausen Family Foundation?
The Clausen Family Foundation is a private foundation focused on N/A, based in San Francisco, CA. It holds $5.3M in total assets as of 2024.
What is The Clausen Family Foundation's EIN?
The Clausen Family Foundation's EIN (Employer Identification Number) is 52-1350750. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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