The Lucille & Joseph Block Foundation

Private foundation · Grantmaker Winnetka, IL EIN: 36-4243294

The Lucille & Joseph Block Foundation is a private foundation based in Winnetka, Illinois. In 2025, it reported 20 grants totaling $55,000, all to recipients in Illinois; listed grants included support for Chicago-area cultural, educational, health, and community organizations.

The Lucille & Joseph Block Foundation at a glance

In short: The Lucille & Joseph Block Foundation gave $55K across 20 grants in 2025 (avg $3K), mostly in Illinois. 55% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$55,000
+17.0% vs 2024
Grants made (2025)
20
+5.3% vs 2024
Average grant
$2,750
+11.2% vs 2024
Median grant
$2,500
Total assets
$240,226
-7.4% vs 2024
New grantees (estimate)
55% first-time grantees (11 of 20, 2025; small sample)
Primary geography
Illinois (100% 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 The Lucille & Joseph Block Foundation

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: 979 Sheridan Road, Winnetka, IL 60093
Phone: (847) 446-5110

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The Lucille & Joseph Block Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Jewish United Fund of Metropolitan Chicago: $10KJewish United Fund ofMetropolitan Chicago$10KAIDS Foundation of Chicago: $5KAIDS Foundation of Chicago$5KNorthwestern University - the Block Museum Leadership Circle: $5KNorthwestern University - theBlock Museum Leadership Circle$5KChicago Symphony Orchestra: $5KChicago Symphony Orchestra$5KRavinia Festival Association: $4KRavinia Festival Association$4KNorth Shore Senior Center: $3KNorth Shore Senior Center$3KRoosevelt University: $3KRoosevelt University$3KThe Art Institute of Chicago: $3KThe Art Institute of Chicago$3KField Museum of Natural History: $3KField Museum of NaturalHistory$3KLyric Opera of Chicago: $3KLyric Opera of Chicago$3K

The largest 2025 recipient was Jewish United Fund of Metropolitan Chicago ($10K). Together the top 10 received $42K.

Grant Size Distribution

96 grants across all recorded years

96<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 96 grants of 96 (100%).

Geographic Focus

Where this funder awards grants

All reported 2025 grant dollars went to recipients in Illinois.

Grant Distribution by State

1state

Share of 2025 grant dollars across all 20 itemized grants.

States

Cities

ChicagoGlencoeHighliand ParkNorthfieldEvanstonHighland Park

Is The Lucille & Joseph Block Foundation open to new grantees?

55%

first-time grantees, 2025

In 2025, 11 of 20 grantees (55%) 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 $3K; repeat grants $2K. How we count

Medians: $3K first-time, $3K repeat.

  • 40% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+17%). Method
  • In 2025 it paid out 182% 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

$0$20K$40K$60K19 grants2019 19 grants2020 19 grants2021 19 grants2022 19 grants2023 19 grants2024 20 grants2025

From 2019 to 2025, annual grant giving ranged from $47K (2019) to $55K (2025). In 2025 it made 20 grants totaling $55K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Jewish United Fund of Metropolitan Chicago Chicago, ILGeneral Support$10,000
AIDS Foundation of Chicago Chicago, ILGeneral Support$5,000
Northwestern University - the Block Museum Leadership Circle Evanston, ILGeneral Support$5,000
Chicago Symphony Orchestra Chicago, ILGeneral Support$4,500
Ravinia Festival Association Highland Park, ILGeneral Support$3,500
North Shore Senior Center Chicago, ILGeneral Support$3,000
Roosevelt University Chicago, ILGeneral Support$3,000
The Art Institute of Chicago Chicago, ILGeneral Support$3,000
Field Museum of Natural History Chicago, ILGeneral Support$2,500
Lyric Opera of Chicago Chicago, ILGeneral Support$2,500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$240,226$42,446$61,556$55,00020$56,426$37,639$30,965
2024$259,336$58,815$54,871$47,00019$48,326$52,039$32,374
2023$255,392$70,842$52,824$47,00019$48,265$66,283$27,996
2022$237,374$19,443$53,177$47,00019$48,000$14,956$30,484
2021$271,108$43,760$51,892$47,00019$47,635$39,503$32,641
2020$279,240$4,025$51,381$47,00019—$6,420$27,831
2019$326,584$32,416$52,262$46,50019—$27,214$26,739

Under IRS private-foundation payout rules, The Lucille & Joseph Block Foundation reported a distributable amount of $31K 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 went to organizations whose own stated missions include supporting health and equity, music and opera, education, older adults, and public learning. For example, the AIDS Foundation of Chicago describes its mission as advancing equity and justice for people living with or vulnerable to HIV and related chronic disease. The Chicago Symphony Orchestra Association says it enriches, inspires, and transforms lives through music, community engagement, and education. The North Shore Senior Center says it works to foster older adults’ independence and well-being and promote their participation in community life.

Grantmaking

In 2025, the foundation made 20 grants totaling $55,000. Grant amounts ranged from $500 to $10,000, with a median of $2,500. The largest awards included $10,000 to Jewish United Fund of Metropolitan Chicago and $5,000 each to the AIDS Foundation of Chicago and Northwestern University’s Block Museum Leadership Circle. Other listed grants included $4,500 to the Chicago Symphony Orchestra, $3,500 to Ravinia Festival Association, and $3,000 each to North Shore Senior Center and Roosevelt University. The listed 2025 grants were for general support.

Leadership & Key People

Leadership team and compensation from IRS filings

Susan Rubnitz is listed as a trustee on the 2025 filing.

The Lucille & Joseph Block Foundation is led by Susan B. Rubnitz, Trustee on every filing since 2019 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Susan B. Rubnitz

    Trustee

    On filings since 2019

    0.3 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 The Lucille & Joseph Block Foundation

How much does The Lucille & Joseph Block Foundation give each year?

The Lucille & Joseph Block Foundation gave $55K across 20 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $47K across 19 grants.

What is The Lucille & Joseph Block Foundation's typical grant size?

The Lucille & Joseph Block Foundation's median grant in 2025 was $2,500, and its average grant was $2,750, across 20 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Lucille & Joseph Block Foundation that year got $3K on average.

Where does The Lucille & Joseph Block Foundation give grants?

The Lucille & Joseph Block Foundation gives mostly in Illinois: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Chicago, IL (17 grants).

Does The Lucille & Joseph Block Foundation give general operating support?

Yes: 100% of The Lucille & Joseph Block 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 The Lucille & Joseph Block Foundation's largest grantees?

The Lucille & Joseph Block Foundation's largest 2025 grantees include Jewish United Fund of Metropolitan Chicago ($10,000), AIDS Foundation of Chicago ($5,000) and Northwestern University - the Block Museum Leadership Circle ($5,000), according to its 2025 IRS Form 990-PF. Together they received 36% of its itemized 2025 grant dollars.

How large is The Lucille & Joseph Block Foundation?

The Lucille & Joseph Block Foundation reported $240K in total assets on its 2025 IRS Form 990-PF. It paid out $56K in qualifying distributions that year, against a required minimum of $31K (roughly 5% of its investment assets).

What does The Lucille & Joseph Block Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants went to organizations whose own stated missions include supporting health and equity, music and opera, education, older adults, and public learning. See mission & focus areas ↑

How do I apply for a grant from The Lucille & Joseph Block Foundation?

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 The Lucille & Joseph Block Foundation's EIN?

The Lucille & Joseph Block Foundation's EIN (Employer Identification Number) is 36-4243294. IRS Form 990 filing data is available on this page for 2019–2025.

Does The Lucille & Joseph Block Foundation 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

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS June 15, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS March 24, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS June 6, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS April 10, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS October 27, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 7, 2026)
  8. IRS filings on file for fiscal years 2019–2025

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Cite this profile

Grantable. (2026). The Lucille & Joseph Block Foundation funder profile. GrantGraph. Retrieved October 12, 2026, from https://grantable.co/funders/the-lucille-and-joseph-block-foundation-morg_4e5c6760f2964965aeeba7be43bbce9a

BibTeX
@misc{grantable_364243294_2026,
  author       = {{Grantable}},
  title        = {{The Lucille \& Joseph Block Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-lucille-and-joseph-block-foundation-morg_4e5c6760f2964965aeeba7be43bbce9a},
  note         = {Accessed 2026-10-12. 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 The Lucille & Joseph Block 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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