Adolph and Etta Weinberg Foundation
The Adolph and Etta Weinberg Foundation is a private foundation based in La Mirada, California. Its 2025 filing reports grants to charitable organizations, including educational, religious, senior-care, health, arts, and community organizations.
Adolph and Etta Weinberg Foundation at a glance
In short: Adolph and Etta Weinberg Foundation gave $92K across 20 grants in 2025 (avg $5K), mostly in California. 45% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $91,950
- +94.2% vs 2024
- Grants made (2025)
- 20
- +81.8% vs 2024
- Average grant
- $4,598
- +6.8% vs 2024
- Median grant
- $2,000
- Total assets
- $1,350,814
- -2.4% vs 2024
- New grantees (estimate)
- 45% first-time grantees (9 of 20, 2025; small sample)
- Primary geography
- California (93% 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 Adolph and Etta Weinberg Foundation
- How to Apply
-
The 2023 filing describes an essay application and does not restrict giving to preselected organizations. Applications must include the organization’s FEIN, purpose, and requested amount; applicants must qualify as exempt organizations under IRC 501(c)(3) or 501(c)(4).
- Review Cycle
- June 30, as stated in the 2023 filing. This is a past cycle; no current deadline is provided.
- Deadline
- June 30, as stated in the 2023 filing.
- Contact
Application contact: Rhona Weinberg Gewelber
Mailing address: 15510 Olive Branch Dr, La Mirada, CA 90638
Phone: (560) 947-7143
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Adolph and Etta Weinberg Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was University of Southern California ($22K). Together the top 10 received $81K.
Grant Size Distribution
67 grants across all recorded years
The most common grant size was under $50K: 67 grants of 67 (100%).
Geographic Focus
Where this funder awards grants
The foundation is based in La Mirada, California. In 2025, 93% of grant dollars went to California recipients, 5% to Arizona recipients, and 1% to New Jersey recipients.
Grant Distribution by State
Share of 2025 grant dollars across all 20 itemized grants.
States
Cities
Is Adolph and Etta Weinberg Foundation open to new grantees?
45%
first-time grantees, 2025
In 2025, 9 of 20 grantees (45%) were first-time recipients. With only 20 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. First grants averaged $5K; repeat grants $4K. How we count
Medians: $3K first-time, $2K repeat.
- 40% of 2025 grantees were also funded in 2024. Method
- Giving grew 143% from 2022 to 2025. Method
- In 2025 it paid out 137% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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 2019 to 2025, annual grant giving ranged from $38K (2022) to $92K (2025). In 2025 it made 20 grants totaling $92K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| University of Southern California Los Angeles, CA | Unrestricted General Purpose of Charitable Org. | $21,500 |
| Sinai Temple Los Angeles, CA | Unrestricted General Purpose of Charitable Org. | $21,000 |
| CHP-11-99 Foundation Costa Mesa, CA | Unrestricted General Purpose of Charitable Org. | $10,000 |
| Los Angeles Jewish Home for the Aging Reseda, CA | Unrestricted General Purpose of Charitable Org. | $6,000 |
| Weinberg Gifted Academy Gilbert, AZ | Unrestricted General Purpose of Charitable Org. | $5,000 |
| Temple Beth Ohr La Mirada, CA | Unrestricted General Purpose of Charitable Org. | $5,000 |
| Las Floristas Downey, CA | Unrestricted General Purpose of Charitable Org. | $4,000 |
| Congregation B'nai Israel Tustin, CA | Unrestricted General Purpose of Charitable Org. | $3,600 |
| Richard Nixon Foundation Yorba Linda, CA | Unrestricted General Purpose of Charitable Org. | $2,500 |
| Downey Police & Fire Foundation Downey, CA | Unrestricted General Purpose of Charitable Org. | $2,000 |
Ready to take the next step with Adolph and Etta Weinberg Foundation?
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 | $1,350,814 | $77,267 | $110,777 | $91,950 | 20 | $91,950 | $77,267 | $66,942 |
| 2024 | $1,384,358 | $50,600 | $64,888 | $47,350 | 11 | $47,350 | $50,600 | $66,337 |
| 2023 | $1,402,305 | $36,408 | $62,006 | $46,900 | 13 | $46,900 | $46,609 | $65,566 |
| 2022 | $1,427,903 | $176,007 | $74,219 | $37,850 | 11 | $37,850 | $176,007 | $63,938 |
| 2021 | $1,326,115 | — | $43,581 | $42,600 | 12 | — | — | $66,384 |
| 2020 | $1,369,696 | $56,424 | $71,172 | $55,370 | 15 | — | $56,424 | $71,202 |
| 2019 | $1,385,734 | $84,405 | $71,501 | $50,350 | 18 | — | $63,254 | $69,403 |
Under IRS private-foundation payout rules, Adolph and Etta Weinberg Foundation reported a distributable amount of $67K 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 grantees include organizations whose own stated missions span several areas. The Los Angeles Jewish Home for the Aging describes its mission as providing senior care reflective of Jewish values; Las Floristas says it participates in philanthropic projects involving aid to children. The San Pedro Peninsula Cancer Guild says it raises funds for USC/Norris Comprehensive Cancer Center, while City of Hope describes its mission as making hope a reality for people touched by cancer and diabetes. Other grantees include the Downey Police & Fire Foundation, which says it aids and comforts needy police and fire department employees and their families, and the Downey Symphonic Society, which says it presents concerts for grade-school children to encourage appreciation of music and the arts.
Grantmaking
In 2025, the foundation reported 20 grants totaling $91,950. Grant amounts ranged from $100 to $21,500, with a median of $2,000. The largest awards included $21,500 to the University of Southern California, $21,000 to Sinai Temple, and $10,000 to CHP-11-99 Foundation. Other listed awards included $6,000 to Los Angeles Jewish Home for the Aging, $5,000 each to Weinberg Gifted Academy and Temple Beth Ohr, and $4,000 to Las Floristas.
The foundation’s 2023 filing says it does not restrict giving to preselected organizations. That filing describes an application by essay, including the applicant’s FEIN, purpose, and amount requested. Applicants must be exempt organizations under IRC 501(c)(3) or 501(c)(4).
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Rhona Weinberg Gewelber as president/CEO; Hali Gewelber as director/secretary; Robert A Weinberg MD as director/CFO; and Roxann Weinberg and Civon Gewlber as directors.
Adolph and Etta Weinberg Foundation is led by Rhona Weinberg Gewelber, President & CEO on every filing since 2019; none of the 5 officers listed in 2025 report compensation.
Officers on the 2025 filing
Rhona Weinberg Gewelber
President & CEO
On filings since 2019
2 hrs/week
No compensation reported
Hali Gewelber
Director & Secretary
On filings since 2019
2 hrs/week
No compensation reported
Robert A. Weinberg MD
Director & CFO
On filings since 2019
2 hrs/week
No compensation reported
Roxann Weinberg
Director
On filings since 2019
2 hrs/week
No compensation reported
Civon Gewlber
Director
On filings since 2024
2 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "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 Adolph and Etta Weinberg Foundation
How much does Adolph and Etta Weinberg Foundation give each year?
Adolph and Etta Weinberg Foundation gave $92K across 20 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $47K across 11 grants.
What is Adolph and Etta Weinberg Foundation's typical grant size?
Adolph and Etta Weinberg Foundation's median grant in 2025 was $2,000, and its average grant was $4,598, across 20 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Adolph and Etta Weinberg Foundation that year got $5K on average.
Where does Adolph and Etta Weinberg Foundation give grants?
Adolph and Etta Weinberg Foundation gives mostly in California: 93% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Arizona (5%). The most frequent recipient cities were Los Angeles, CA (4 grants) and Downey, CA (3 grants).
Does Adolph and Etta Weinberg Foundation give general operating support?
Yes: 100% of Adolph and Etta Weinberg Foundation's 2025 grants with a stated purpose (20 of 20) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Adolph and Etta Weinberg Foundation's largest grantees?
Adolph and Etta Weinberg Foundation's largest 2025 grantees include University of Southern California ($21,500), Sinai Temple ($21,000) and CHP-11-99 Foundation ($10,000), according to its 2025 IRS Form 990-PF. Together they received 57% of its itemized 2025 grant dollars.
How large is Adolph and Etta Weinberg Foundation?
Adolph and Etta Weinberg Foundation reported $1.4M in total assets on its 2025 IRS Form 990-PF. It paid out $92K in qualifying distributions that year, against a required minimum of $67K (roughly 5% of its investment assets).
What does Adolph and Etta Weinberg Foundation fund?
No mission statement for the foundation is provided. Its 2025 grantees include organizations whose own stated missions span several areas. See mission & focus areas ↑
How do I apply for a grant from Adolph and Etta Weinberg Foundation?
The 2023 filing describes an essay application and does not restrict giving to preselected organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Adolph and Etta Weinberg Foundation's EIN?
Adolph and Etta Weinberg Foundation's EIN (Employer Identification Number) is 95-6075855. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS March 14, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 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 August 27, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS January 28, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 2, 2026)
- IRS filings on file for fiscal years 2019–2025
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Cite this profile
Grantable. (2026). Adolph and Etta Weinberg Foundation funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/adolph-and-etta-weinberg-foundation-morg_f03f122e31b844f79776ab4edc5ba154
BibTeX
@misc{grantable_956075855_2026,
author = {{Grantable}},
title = {{Adolph and Etta Weinberg Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/adolph-and-etta-weinberg-foundation-morg_f03f122e31b844f79776ab4edc5ba154},
note = {Accessed 2026-10-17. 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 Adolph and Etta Weinberg Foundation'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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