The Herbert & Nell Singer Foundation Inc

Foundation · Grantmaker Wilmington, DE EIN: 13-3151548

The Herbert & Nell Singer Foundation Inc is a private foundation based in Wilmington, Delaware. It makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.

Key facts about The Herbert & Nell Singer Foundation Inc

In short: The Herbert & Nell Singer Foundation Inc gave $14.2M across 44 grants in 2025 (avg $322K), mostly in New York. 18% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

EIN
13-3151548
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$14,157,316
Grants made (2025)
44
Average grant
$321,757
Median grant
$17,500
New grantees (estimate)
18% first-time grantees (7 of 39, 2025)
Total assets
$50,635,429
Primary geography
New York (85% of itemized 2025 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Full details ↓

Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$50.6M

-16.9% YoY

Annual Giving

$14.2M

+95.2% YoY

Grant Count

44

-13.7% YoY

Avg Grant Size

$322K

+126.3% YoY

Under IRS private-foundation payout rules, The Herbert & Nell Singer Foundation Inc reported a distributable amount of $3.2M for 2025 — the minimum it must pay out in qualifying distributions.

Is The Herbert & Nell Singer Foundation Inc open to new grantees?

18%

first-time grantees, 2025

In 2025, 7 of 39 grantees (18%) were first-time recipients. First grants averaged $65K; repeat grants $428K. How we count

Medians: $25K first-time, $13K repeat.

  • 69% of 2025 grantees were also funded in 2024. Method
  • Giving grew 270% from 2022 to 2025. Method
  • In 2025 it paid out 450% 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.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No foundation mission statement is provided. The listed grants show support for a range of charitable organizations and purposes, including collaborative innovation, a community organization’s building and immigration legal services, public service fellowships, and programs serving children and families.

Among organizations that received grants in 2024, the Connecticut Bar Foundation describes its mission as advancing civil justice for all. The Center for Children’s Advocacy says it promotes the legal rights and interests of children dependent on Connecticut’s judicial, child welfare, health, mental health, education, and juvenile systems. CLICC describes its work as mentoring and literacy activities for children and their incarcerated parents.

Grantmaking

In 2025, the foundation made 44 grants totaling $14,157,316. Grant amounts ranged from $2,500 to $10,000,000, with a median of $17,500.

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Geographic Focus

Where this funder awards grants

In 2025, New York recipients received 85% of grant dollars, Connecticut recipients 14%, and Massachusetts recipients 1%. Indiana and Georgia each accounted for 0% as reported. Named 2025 recipients included organizations in New York and Connecticut.

Grant Distribution by State

20states

Share of all 44 itemized 2025 grant dollars.

Cities

StamfordNew YorkHartfordChicagoBostonBridgeportNotre DameNaplesNorwalkNew HavenPine RidgeDarienMirror LakeWillimanticBeaconWashingtonBraddockDorchesterPortsmouthBronx

Giving Over Time

Total grant dollars and number of grants per year

$0$5M$10M$15M69 grants202070 grants202178 grants202260 grants202351 grants202444 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Rockefeller University: $11.5M across 2 grantsRockefeller University$11.5M · 2 grantsBuilding One Community Corp: $1.1M across 3 grantsBuilding One Community Corp$1.1M · 3 grantsCentral Park Conservancy Inc: $350KCentral Park Conservancy Inc$350KCatholic Charities of Fairfield County Inc: $200K across 2 grantsCatholic Charities ofFairfield County Inc$200K · 2 grantsConnecticut Bar Foundation Inc: $156KConnecticut Bar Foundation Inc$156KClicc Inc: $108KClicc Inc$108KAmerican Jewish Joint Distribution Committee Inc: $100KAmerican Jewish JointDistribution Committee Inc$100KDomus Kids Inc: $100KDomus Kids Inc$100KFood Bank of Lower Fairfield County Inc: $50KFood Bank of Lower FairfieldCounty Inc$50KNew Covenant Center: $50KNew Covenant Center$50K

Grant Size Distribution

303 grants across all recorded years

202<$50K48$50–100K41$100–250K3$250–500K1$500K–1M7$1–5M1$5M+

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
ROCKEFELLER UNIVERSITY New York, NYTo endow, and support in perpetuity, the Herbert Singer award for collaborative innovation fund$10,000,000
ROCKEFELLER UNIVERSITY New York, NYHerbert Singer Award fund for collaborative innovation$1,500,000
BUILDING ONE COMMUNITY CORP Stamford, CTfor the purchase of Building One Community's building$1,000,000
CENTRAL PARK CONSERVANCY INC New York, NYImprovement to Nell Singer Lilac Walk fund$350,000
CONNECTICUT BAR FOUNDATION INC Hartford, CTSinger Public Service Fellowship fund$155,816
CATHOLIC CHARITIES OF FAIRFIELD COUNTY INC Shelton, CTThe Thomas Merton Center$150,000
CLICC INC New Haven, CTGeneral & Unrestricted$107,500
AMERICAN JEWISH JOINT DISTRIBUTION COMMITTEE INC New York, NYTaub Center for Social Policy Studies-Israel$100,000
BUILDING ONE COMMUNITY CORP Stamford, CTB1C's Immigration Legal Services (ILS) fund$100,000
DOMUS KIDS INC Stamford, CTDomus' Juvenile Review Board (JRB) Program$100,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2025 $50,635,429 $4,621,364 $14,889,529 $14,157,316
2024 $60,903,594 $11,565,213 $8,328,456 $7,251,938
2023 $57,666,837 $3,373,936 $4,784,904 $3,946,850
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$5M$10M$15M$20M202020212022202320242025
Metric202520242023
Total Assets$50,635,429$60,903,594$57,666,837
Revenue$4,621,364$11,565,213$3,373,936
Expenses$14,889,529$8,328,456$4,784,904
Qualifying Distributions$14,471,361$7,791,446$4,327,435
Net Investment Income$4,275,283$11,163,803$2,968,275
Distributable Amount$3,216,702$3,607,706$3,550,036

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Shelley Leibowitz, David Sandak, Jay H Sandak, Mary E Sandak, and Stephen Sandak as directors. David Sandak is also listed as secretary, Jay H Sandak as president, and Mary E Sandak as treasurer.

The Herbert & Nell Singer Foundation Inc is led by Jay H Sandak, Director & President on every filing since 2020; 2 of 5 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Jay H Sandak

    Director & President

    On filings since 2020

    20 hrs/week

    $75K (2020) → $138K (2025)

  • David Sandak

    Director & Secretary

    Director → Director & Secretary, 2021

    On filings since 2020

    1 hr/week

    $66K (2023) → $8K (2025)

  • Mary E Sandak

    Director & Treasurer

    Director, Secretary & Treasurer → Director, Sec* & Treasurer, 2021

    Director, Sec* & Treasurer → Director & Treasurer, 2022

    On filings since 2020

    1 hr/week

    No compensation reported

  • Stephen Sandak

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Shelley Leibowitz

    Director

    On filings since 2022

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Thomas Sandak (2020–2024) — Director

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

Jay H Sandak — Dir, Pres: $138KJay H SandakDir, Pres$138KDavid Sandak — Dir, Sec: $8KDavid SandakDir, Sec$8K

Contact

Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754

Frequently asked questions about The Herbert & Nell Singer Foundation Inc

How much does The Herbert & Nell Singer Foundation Inc give each year?

The Herbert & Nell Singer Foundation Inc gave $14.2M across 44 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $7.3M across 51 grants.

What is The Herbert & Nell Singer Foundation Inc's typical grant size?

The Herbert & Nell Singer Foundation Inc's median grant in 2025 was $17,500, and its average grant was $321,757, across 44 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Herbert & Nell Singer Foundation Inc that year got $65K on average.

Where does The Herbert & Nell Singer Foundation Inc give grants?

The Herbert & Nell Singer Foundation Inc gives mostly in New York: 85% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Connecticut (14%). The most frequent recipient cities were Stamford, CT (17 grants), New York, NY (6 grants) and Shelton, CT (2 grants).

Does The Herbert & Nell Singer Foundation Inc give general operating support?

Yes: 55% of The Herbert & Nell Singer Foundation Inc's 2025 grants with a stated purpose (24 of 44) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Herbert & Nell Singer Foundation Inc's largest grantees?

The Herbert & Nell Singer Foundation Inc's largest 2025 grantees include Rockefeller University ($11,500,000 across 2 grants), Building One Community Corp ($1,110,000 across 3 grants) and Central Park Conservancy Inc ($350,000), according to its 2025 IRS Form 990-PF. Together they received 92% of its itemized 2025 grant dollars.

How large is The Herbert & Nell Singer Foundation Inc?

The Herbert & Nell Singer Foundation Inc reported $50.6M in total assets on its 2025 IRS Form 990-PF. It paid out $14.5M in qualifying distributions that year, against a required minimum of $3.2M (roughly 5% of its investment assets).

What does The Herbert & Nell Singer Foundation Inc fund?

No foundation mission statement is provided. The listed grants show support for a range of charitable organizations and purposes, including collaborative innovation, a community organization’s building and immigration legal services, public service fellowships, and programs serving children and families. Among organizations that received grants in 2024, the Connecticut Bar Foundation describes its mission as advancing civil justice for all. The Center for Children’s Advocacy says it promotes th…

How do I apply for a grant from The Herbert & Nell Singer Foundation Inc?

The foundation 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 Herbert & Nell Singer Foundation Inc's EIN?

The Herbert & Nell Singer Foundation Inc's EIN (Employer Identification Number) is 13-3151548. IRS Form 990 filing data is available on this page for 2020–2025.

Does The Herbert & Nell Singer Foundation Inc accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

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