Case & Elfreda Zandbergen Charitable
Case & Elfreda Zandbergen Charitable is a private foundation based in Tulsa, Oklahoma. In filing year 2025, it awarded 11 grants totaling $122,500 to charitable organizations, primarily in Oklahoma.
Case & Elfreda Zandbergen Charitable at a glance
In short: Case & Elfreda Zandbergen Charitable gave $123K across 11 grants in 2025 (avg $11K), mostly in Oklahoma. 9% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $122,500
- +12.4% vs 2024
- Grants made (2025)
- 11
- -8.3% vs 2024
- Average grant
- $11,136
- +22.6% vs 2024
- Median grant
- $10,000
- Total assets
- $1,939,641
- +0.8% vs 2024
- New grantees (estimate)
- 9% first-time grantees (1 of 11, 2025; small sample)
- Primary geography
- Oklahoma (86% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Case & Elfreda Zandbergen Charitable
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: PO Box 1620, Tulsa, OK 74101-1620
Phone: (918) 619-1526
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Case & Elfreda Zandbergen Charitable funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The Salvation Army ($22K). Together the top 10 received $120K.
Grant Size Distribution
57 grants across all recorded years
The most common grant size was under $50K: 57 grants of 57 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 86% of grant dollars went to recipients in Oklahoma and 14% went to recipients in Washington, DC. The listed 2025 grants went to organizations in Oklahoma and Washington, DC.
Grant Distribution by State
Share of 2025 grant dollars across all 11 itemized grants.
Cities
Is Case & Elfreda Zandbergen Charitable open to new grantees?
9%
first-time grantees, 2025
In 2025, 1 of 11 grantees (9%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $10K; repeat grants $11K. How we count
Medians: $10K first-time, $10K repeat.
- 82% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (+16%). Method
- In 2025 it paid out 106% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $102K (2023) to $126K (2021). In 2025 it made 11 grants totaling $123K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Salvation Army Oklahoma City, OK | General Support | $22,000 |
| Humane Society of Grove and GR Lake Pete Brower Treasurer Grove, OK | Support | $20,000 |
| American Red Cross Washington, DC | Support | $17,000 |
| Tulsa Boys Home Tulsa, OK | Support | $15,000 |
| Meals on Wheels of Metro Tulsa Tulsa, OK | Support | $12,000 |
| Grand Lake Community Ministry Inc Langley, OK | General Support | $10,000 |
| Community Food Bank of Eastern Oklahoma Tulsa, OK | Support | $7,000 |
| Boston Avenue Helping Hands Inc Tulsa, OK | Support | $6,000 |
| Family and Children's Services Inc Tulsa, OK | Support | $5,500 |
| South Grand Lake Ketchum, OK | Support | $5,000 |
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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 | $1,939,641 | $179,025 | $154,519 | $122,500 | 11 | $131,206 | $157,593 | $123,523 |
| 2024 | $1,924,738 | $189,329 | $143,248 | $109,000 | 12 | $117,171 | $168,098 | $117,501 |
| 2023 | $1,869,934 | $217,336 | $129,166 | $102,000 | 12 | $109,770 | $197,598 | $108,138 |
| 2022 | $1,783,831 | $72,339 | $137,070 | $106,000 | 11 | $116,692 | $51,260 | $113,861 |
| 2021 | $1,853,913 | $191,574 | $158,570 | $126,000 | 11 | $136,642 | $168,042 | $127,298 |
| 2020 | $1,821,818 | $129,595 | $147,653 | $121,500 | 11 | — | $107,520 | $108,062 |
Under IRS private-foundation payout rules, Case & Elfreda Zandbergen Charitable reported a distributable amount of $124K 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 grants supported organizations working in areas including social services, food assistance, senior services, and animal welfare. For example, Tulsa Boys’ Home says its mission is to provide residential care for young boys placed outside their homes and help develop well-adjusted, responsible adults while strengthening families. Meals on Wheels of Metro Tulsa describes its purpose as providing economic support for food for homebound elderly and disabled people. Boston Avenue Helping Hands says it provides financial assistance for utilities, prescriptions, and food to indigent families and single people. Vinita Senior Citizens Center says it provides recreation and meals for senior citizens.
Grantmaking
In 2025, the foundation awarded 11 grants totaling $122,500. Grants ranged from $3,000 to $22,000, with a median of $10,000.
The largest grants included $22,000 to The Salvation Army in Oklahoma City for general support; $20,000 to Humane Society of Grove and Grand Lake for support; $17,000 to the American Red Cross for support; $15,000 to Tulsa Boys’ Home for support; and $12,000 to Meals on Wheels of Metro Tulsa for support.
Leadership & Key People
Officers and directors from IRS filings
Case & Elfreda Zandbergen Charitable's only listed officer is Bokf NA, Trustee on every filing since 2020 (compensated).
Officers on the 2025 filing
Bokf NA
Trustee
On filings since 2020
15 hrs/week
$25K (2020) → $28K (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 $28K, to Bokf NA (Trustee).
Frequently asked questions about Case & Elfreda Zandbergen Charitable
How much does Case & Elfreda Zandbergen Charitable give each year?
Case & Elfreda Zandbergen Charitable gave $123K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $109K across 12 grants.
What is Case & Elfreda Zandbergen Charitable's typical grant size?
Case & Elfreda Zandbergen Charitable's median grant in 2025 was $10,000, and its average grant was $11,136, across 11 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Case & Elfreda Zandbergen Charitable that year got $10K on average.
Where does Case & Elfreda Zandbergen Charitable give grants?
Case & Elfreda Zandbergen Charitable gives mostly in Oklahoma: 86% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was District of Columbia (14%). The most frequent recipient cities were Tulsa, OK (5 grants).
Does Case & Elfreda Zandbergen Charitable give general operating support?
Yes: 18% of Case & Elfreda Zandbergen Charitable's 2025 grants with a stated purpose (2 of 11) were for general or operating support, per its 2025 IRS Form 990-PF. Recurring purposes include "Support" (9 grants).
Who are Case & Elfreda Zandbergen Charitable's largest grantees?
Case & Elfreda Zandbergen Charitable's largest 2025 grantees include The Salvation Army ($22,000), Humane Society of Grove and GR Lake Pete Brower Treasurer ($20,000) and American Red Cross ($17,000), according to its 2025 IRS Form 990-PF. Together they received 48% of its itemized 2025 grant dollars.
How large is Case & Elfreda Zandbergen Charitable?
Case & Elfreda Zandbergen Charitable reported $1.9M in total assets on its 2025 IRS Form 990-PF. It paid out $131K in qualifying distributions that year, against a required minimum of $124K (roughly 5% of its investment assets).
What does Case & Elfreda Zandbergen Charitable fund?
No mission statement for the foundation is provided. Its 2025 grants supported organizations working in areas including social services, food assistance, senior services, and animal welfare. See mission & focus areas ↑
How do I apply for a grant from Case & Elfreda Zandbergen Charitable?
The foundation states that it 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 Case & Elfreda Zandbergen Charitable's EIN?
Case & Elfreda Zandbergen Charitable's EIN (Employer Identification Number) is 73-6300138. IRS Form 990 filing data is available on this page for 2020–2025.
Does Case & Elfreda Zandbergen Charitable accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 16, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 12, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 10, 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 14, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Case & Elfreda Zandbergen Charitable funds
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Cite this profile
Grantable. (2026). Case & Elfreda Zandbergen Charitable funder profile. GrantGraph. Retrieved October 20, 2026, from https://grantable.co/funders/case-and-elfreda-zandbergen-charitable-morg_9928399e4c3e4d21838a5f0599d094a7
BibTeX
@misc{grantable_736300138_2026,
author = {{Grantable}},
title = {{Case \& Elfreda Zandbergen Charitable funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/case-and-elfreda-zandbergen-charitable-morg_9928399e4c3e4d21838a5f0599d094a7},
note = {Accessed 2026-10-20. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Case & Elfreda Zandbergen Charitable'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.
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