Astor Street Foundation Inc
Astor Street Foundation Inc is a private foundation based in Milwaukee, Wisconsin. Its 2025 filing reports grants to charitable organizations in Wisconsin and other states, including organizations working in arts and culture, education, health, human services, and the environment.
Astor Street Foundation Inc at a glance
In short: Astor Street Foundation Inc gave $782K across 45 grants in 2025 (avg $17K), mostly in Wisconsin. 12% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $782,400
- +52.5% vs 2024
- Grants made (2025)
- 45
- +0.0% vs 2024
- Average grant
- $17,387
- +52.5% vs 2024
- Median grant
- $5,000
- Total assets
- $2,189,391
- -10.7% vs 2024
- New grantees (estimate)
- 12% first-time grantees (5 of 42, 2025)
- Primary geography
- Wisconsin (66% 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 Astor Street Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 1122 N Astor Street, Milwaukee, WI 53202
Phone: (414) 727-4664
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Astor Street Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Kinship Community Food Center ($125K). Together the top 10 received $647K.
Grant Size Distribution
212 grants across all recorded years
The most common grant size was under $50K: 189 grants of 212 (89%).
Geographic Focus
Where this funder awards grants
In 2025, grant dollars went primarily to organizations in Wisconsin (66%), followed by Ohio (14%), California (12%), Massachusetts (4%), and New York (1%).
Grant Distribution by State
Share of 2025 grant dollars across all 45 itemized grants.
Cities
Is Astor Street Foundation Inc open to new grantees?
12%
first-time grantees, 2025
In 2025, 5 of 42 grantees (12%) were first-time recipients. First grants averaged $52K; repeat grants $14K. How we count
Medians: $50K first-time, $5K repeat.
- 81% of 2025 grantees were also funded in 2024. Method
- Giving grew 160% from 2022 to 2025. Method
- In 2025 it paid out 259% 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 $302K (2022) to $782K (2025). In 2025 it made 45 grants totaling $782K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Kinship Community Food Center Milwaukee, WI | Community of Generosity | $125,000 |
| Milwaukee Art Museum Milwaukee, WI | Endowment Campaign | $100,000 |
| The Rock Roll Hall of Fame Museum I Cleveland, OH | Expansion Campaign | $100,000 |
| Western Los Angeles County Boy Scou Van Nuys, CA | Camp Emerald Bay Documentary | $89,900 |
| University School of Milwaukee Milwaukee, WI | Our Common Bond | $50,000 |
| Sojourner Family Peace Center Milwaukee, WI | Hope Lives Here Campaign | $50,000 |
| Froedtert Hospital Foundation Inc Milwaukee, WI | Accelerator Program | $50,000 |
| Center for Independent Documentary Newton, MA | Support "Arthur Byas" | $25,000 |
| Lynden Sculpture Garden River Hills, WI | Support of Lynden's Access Mission | $20,000 |
| 88Nine Radio Milwaukee Milwaukee, WI | General Operating | $15,000 |
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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 | $2,189,391 | $552,612 | $814,465 | $782,400 | 45 | $782,400 | $533,394 | $302,606 |
| 2024 | $2,451,244 | $690,697 | $548,114 | $513,000 | 45 | $513,000 | $671,907 | $301,552 |
| 2023 | $2,308,661 | $373,739 | $466,910 | $444,846 | 47 | $444,846 | $356,651 | $271,953 |
| 2022 | $2,401,832 | $111,763 | $333,959 | $301,500 | 36 | $301,500 | $94,520 | $278,423 |
| 2021 | $2,624,028 | $841,379 | $484,821 | $462,500 | 39 | $462,500 | $822,869 | $285,411 |
| 2020 | $2,267,472 | $109,295 | $366,013 | $345,000 | 39 | — | $94,513 | $264,601 |
Under IRS private-foundation payout rules, Astor Street Foundation Inc reported a distributable amount of $303K 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 included support for organizations whose own missions span several areas. For example, Sojourner Family Peace Center describes its mission as “transforming lives impacted by domestic violence,” while Froedtert Hospital Foundation says it advances community health through excellence and discovery. Milwaukee Art Museum describes its work as collecting, preserving, and presenting art and educating people about art and art history. Urban Ecology Center says it connects people in cities to nature and each other; Wisconsin Conservation Voters says it engages voters to protect Wisconsin’s environment.
Grantmaking
In 2025, the foundation awarded 45 grants totaling $782,400. Grant amounts ranged from $1,000 to $125,000, with a median grant of $5,000. Among the largest grants were $125,000 to Kinship Community Food Center for “Community of Generosity”; $100,000 to Milwaukee Art Museum for its endowment campaign; $100,000 to The Rock Roll Hall of Fame Museum for its expansion campaign; and $89,900 to Western Los Angeles County Boy Scouts for a Camp Emerald Bay documentary. Other grants included $50,000 each to University School of Milwaukee, Sojourner Family Peace Center, and Froedtert Hospital Foundation.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Lynde B Uihlein as Vice President, John U Olson as Secretary, and Sarah O Zimmerman as President and Treasurer.
Astor Street Foundation Inc is led by Sarah O Zimmerman, President & Treasurer on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Sarah O Zimmerman
President & Treasurer
On filings since 2020
2 hrs/week
No compensation reported
John U Olson
Secretary
On filings since 2020
1 hr/week
No compensation reported
Lynde B Uihlein
Vice President
On filings since 2020
1 hr/week
No compensation reported
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 Astor Street Foundation Inc
How much does Astor Street Foundation Inc give each year?
Astor Street Foundation Inc gave $782K across 45 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $513K across 45 grants.
What is Astor Street Foundation Inc's typical grant size?
Astor Street Foundation Inc's median grant in 2025 was $5,000, and its average grant was $17,387, across 45 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Astor Street Foundation Inc that year got $52K on average.
Where does Astor Street Foundation Inc give grants?
Astor Street Foundation Inc gives mostly in Wisconsin: 66% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Ohio (14%) and California (12%). The most frequent recipient cities were Milwaukee, WI (26 grants), New York, NY (3 grants), Cleveland, OH (2 grants) and Cranberry Isles, ME (2 grants).
Does Astor Street Foundation Inc give general operating support?
Yes: 60% of Astor Street Foundation Inc's 2025 grants with a stated purpose (27 of 45) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Astor Street Foundation Inc's largest grantees?
Astor Street Foundation Inc's largest 2025 grantees include Kinship Community Food Center ($125,000), The Rock Roll Hall of Fame Museum I ($112,500 across 2 grants) and Milwaukee Art Museum ($110,000 across 2 grants), according to its 2025 IRS Form 990-PF. Together they received 44% of its itemized 2025 grant dollars.
How large is Astor Street Foundation Inc?
Astor Street Foundation Inc reported $2.2M in total assets on its 2025 IRS Form 990-PF. It paid out $782K in qualifying distributions that year, against a required minimum of $303K (roughly 5% of its investment assets).
What does Astor Street Foundation Inc fund?
No mission statement for the foundation is provided. Its 2025 grants included support for organizations whose own missions span several areas. See mission & focus areas ↑
How do I apply for a grant from Astor Street Foundation Inc?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Astor Street Foundation Inc's EIN?
Astor Street Foundation Inc's EIN (Employer Identification Number) is 39-1656190. IRS Form 990 filing data is available on this page for 2020–2025.
Does Astor Street Foundation Inc 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 13, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 10, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 9, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 9, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 13, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Astor Street Foundation Inc funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/astor-street-foundation-inc-morg_d99afacaea3041d389b58891754a9112
BibTeX
@misc{grantable_391656190_2026,
author = {{Grantable}},
title = {{Astor Street Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/astor-street-foundation-inc-morg_d99afacaea3041d389b58891754a9112},
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 Astor Street Foundation Inc'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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