Bostwick-Osterhout Foundation
Bostwick-Osterhout Foundation is a private foundation, based in San Diego, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $654K in total assets. In 2025, it awarded 8 grants totaling $31K. Net investment income was $5K.
Bostwick-Osterhout Foundation at a glance
In short: Bostwick-Osterhout Foundation gave $31K across 8 grants in 2025 (avg $4K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $31,000
- +82.4% vs 2024
- Grants made (2025)
- 8
- +100.0% vs 2024
- Average grant
- $3,875
- -8.8% vs 2024
- Median grant
- $2,500
- Total assets
- $653,925
- +9.7% vs 2024
- Primary geography
- California (58% 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 Bostwick-Osterhout Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was Givedirectly ($10K). Together the top 8 received $31K.
Grant Size Distribution
23 grants across all recorded years
The most common grant size was under $50K: 23 grants of 23 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How Bostwick-Osterhout Foundation gives
- Giving grew 138% from 2022 to 2025. Method
- In 2025 it paid out 97% 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 2021 to 2025, annual grant giving ranged from $7K (2021) to $31K (2025). In 2025 it made 8 grants totaling $31K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Givedirectly New York, NY | General Purpose Donation | $10,000 |
| San Diego Food Bank San Diego, CA | General Purpose Donation | $10,000 |
| Surfrider Foundation San Clemente, CA | General Purpose Donation | $3,000 |
| Young Center for Immigrant Rights Chicago, IL | General Purpose Donation | $3,000 |
| Electronic Frontier Foundation San Francisco, CA | General Purpose Donation | $2,000 |
| Collins Arts and Sports Foundation San Diego, CA | General Purpose Donationgeneral Purpose Donati | $1,000 |
| Burrito Boyz Carlsbad, CA | General Purpose Donation | $1,000 |
| Pennisula Tennis Club San Diego, CA | General Purpose Donation | $1,000 |
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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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $653,925 | $91,670 | $33,250 | $31,000 | 8 | $31,000 | $5,408 | $32,087 |
| 2024 | $596,343 | $237,770 | $19,800 | $17,000 | 4 | $17,000 | $60,007 | $19,617 |
| 2023 | $378,440 | $27,050 | $18,420 | $17,000 | 4 | $17,000 | $4,894 | $13,248 |
| 2022 | $369,810 | $16,710 | $14,800 | $13,000 | 5 | $13,000 | $205 | $14,712 |
| 2021 | $367,900 | $374,900 | $7,000 | $7,000 | 2 | $7,000 | — | $3,065 |
Under IRS private-foundation payout rules, Bostwick-Osterhout Foundation reported a distributable amount of $32K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Bostwick-Osterhout Foundation is led by Benjamin J. Bostwick, CEO on every filing since 2021; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Benjamin J. Bostwick
CEO
On filings since 2021
1 hr/week
No compensation reported
Mary Bostwick
Board Member
On filings since 2021
1 hr/week
No compensation reported
Robin Osterhout
Secretary & Treasurer
On filings since 2021
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 Bostwick-Osterhout Foundation
How much does Bostwick-Osterhout Foundation give each year?
Bostwick-Osterhout Foundation gave $31K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $17K across 4 grants.
What is Bostwick-Osterhout Foundation's typical grant size?
Bostwick-Osterhout Foundation's median grant in 2025 was $2,500, and its average grant was $3,875, across 8 grants on its 2025 IRS Form 990-PF.
Where does Bostwick-Osterhout Foundation give grants?
Bostwick-Osterhout Foundation gives mostly in California: 58% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (32%) and Illinois (10%). The most frequent recipient cities were San Diego, CA (3 grants).
Does Bostwick-Osterhout Foundation give general operating support?
Yes: 100% of Bostwick-Osterhout Foundation's 2025 grants with a stated purpose (8 of 8) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Bostwick-Osterhout Foundation's largest grantees?
Bostwick-Osterhout Foundation's largest 2025 grantees include Givedirectly ($10,000), San Diego Food Bank ($10,000) and Surfrider Foundation ($3,000), according to its 2025 IRS Form 990-PF. Together they received 74% of its itemized 2025 grant dollars.
How large is Bostwick-Osterhout Foundation?
Bostwick-Osterhout Foundation reported $654K in total assets on its 2025 IRS Form 990-PF. It paid out $31K in qualifying distributions that year, against a required minimum of $32K (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 Bostwick-Osterhout Foundation's EIN?
Bostwick-Osterhout Foundation's EIN (Employer Identification Number) is 86-3818045. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 13, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work Bostwick-Osterhout Foundation funds
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