CSB FOUNDATION INC

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Cite this

Plain text CSB FOUNDATION INC. furp.org, nonprofit organization profile, tax years 2016–2024. https://furp.org/org/csb-foundation-inc-271539720. Retrieved 2026-11-05.

APA furp.org. (n.d.). CSB FOUNDATION INC [Nonprofit organization profile; tax years 2016–2024]. Retrieved November 5, 2026, from https://furp.org/org/csb-foundation-inc-271539720

MLA “CSB FOUNDATION INC.” furp.org, tax years 2016–2024, https://furp.org/org/csb-foundation-inc-271539720. Accessed 5 Nov. 2026.

Retrieved 2026-11-05; covers tax years 2016–2024. Data: furp.org, CC BY 4.0.

2024 · Form 990PF · revenue -$10K · expenses $1.5M · assets $129K

EIN
27-1539720
Address
1645 51ST ST, BROOKLYN, NY 11204-1417
NTEE code
T20 Private Grantmaking Foundations (Philanthropy, Voluntarism and Grantmaking Foundations) published (IRS Business Master File)
Exempt type
501(c)(3): charitable, religious, educational, scientific or literary (corporation)
Ruling date
October 2010 (when the IRS recognized its exemption)
IRS status
Exempt (unconditional) (IRS Business Master File) IRS data ↗
Tax-deductible donations
Yes: listed in IRS Publication 78 (private foundation) Pub 78 ↗
Foundation status
Private non-operating foundation
Cross-check
ProPublica Nonprofit Explorer

Each tax year counts once: when a return was amended, only the latest return for that period is used below (superseded returns stay listed, greyed, under Finances).

People paid by the organization

None of the 2 people listed on these returns reported compensation from the organization. They are listed below.

Officers and directors, no compensation reported

2 people listed on the returns with $0 (or no amount) in every compensation column: current people first. Hours are as filed on the latest return each person appears on.

NameLatest titleYearsHrs/wk (latest)CompensationOrganizations
Isaac Gross President2016-2024 0 $0 reported 1
Betty Gross Treasurer2016-2024 0 $0 reported 1

People by year

2024 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2023 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2022 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2021 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2020 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2019 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2018 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2017 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01
2016 · 2 people listed · none paid
NameTitleHrs/wkFrom orgFrom relatedOtherTotalOrgs
ISAAC GROSS President0 $0-- $01
BETTY GROSS Treasurer0 $0-- $01

Highest-paid independent contractors

No independent contractors reported.

Who the money went to

Grants this organization reported paying: Schedule I Part II of the Form 990, or the grants-paid list on the 990-PF. Open a year for every recipient. Recipients link to their own page when the grant names an EIN we have (990-PF grants list no EIN, so those link only on an exact, unique name and state). Grants to individuals are counted; their names are not shown.

2024 · 0 grants to organizations · $0 · 6 grants to individuals · $1.5M
2023 · 0 grants to organizations · $0 · 1 summary line · $1.2M

This return lists 1 summary line (program totals pointing to a separate statement) instead of each grant. The itemized list was filed as an attachment that isn't in the IRS's public e-file data, so the recipients can't be shown.

2022 · 0 grants to organizations · $0 · 1 summary line · $1.8M

This return lists 1 summary line (program totals pointing to a separate statement) instead of each grant. The itemized list was filed as an attachment that isn't in the IRS's public e-file data, so the recipients can't be shown.

2021 · 0 grants to organizations · $0 · 1 summary line · $977K

This return lists 1 summary line (program totals pointing to a separate statement) instead of each grant. The itemized list was filed as an attachment that isn't in the IRS's public e-file data, so the recipients can't be shown.

2020 · 0 grants to organizations · $0 · 2 grants to individuals · $28K
2019 · 0 grants to organizations · $0 · 1 grant to individuals · $5K
2018 · 0 grants to organizations · $0 · 2 grants to individuals · $7K
2017 · 0 grants to organizations · $0 · 2 grants to individuals · $101K
2016 · 0 grants to organizations · $0 · 4 grants to individuals · $24K

Negative amounts are returned or refunded grants; they are listed last and left out of the totals of grants paid.

Who gave

Contributors listed on Schedule B of the Form 990-PF: name, city and state as filed (street addresses are not shown), with total and noncash contributions for the year. A link to an organization's page is tagged Fuzzy with its name-similarity score (0 to 1) when it rests on name and state; Schedule B lists no EIN, so no link here is an exact identifier match.

2023 · 1 contributor · $1.0M
#ContributorTypeCity, stateTotalNoncashSource
1 ISAAC GROSS Person BROOKLYN, NY $1,000,000- Form 990PF Sch. B, 2023 · filing
2022 · 1 contributor · $2.3M
#ContributorTypeCity, stateTotalNoncashSource
1 ISAAC GROSS Person BROOKLYN, NY $2,300,477- Form 990PF Sch. B, 2022 · filing
2021 · 1 contributor · $2.2M
#ContributorTypeCity, stateTotalNoncashSource
1 ISAAC GROSS Person BROOKLYN, NY $2,200,000- Form 990PF Sch. B, 2021 · filing
2020 · 1 contributor · $16K
#ContributorTypeCity, stateTotalNoncashSource
1 ISAAC GROSS Person BROOKLYN, NY $15,500- Form 990PF Sch. B, 2020 · filing
2016 · 1 contributor · $15K
#ContributorTypeCity, stateTotalNoncashSource
1 ISAAC GROSS Person BROOKLYN, NY $15,000- Form 990PF Sch. B, 2016 · filing

Contributors listed here are as reported on the filing. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

Finances

Newest first. Each filing: its name on one row, its figures on the row beneath. Greyed filings are superseded by a later return for the same period and are left out everywhere else on this page.

RevenueExpensesAssetsNet assetsContributionsProgram revenueOfficer payEmployeesVolunteers
2024 · Form 990PF period ending 2024-12-31 · view filing · original 990 ↗
-$10,379$1,537,728 $128,991$128,991 -- ---
2023 · Form 990PF period ending 2023-12-31 · view filing · original 990 ↗
$976,489$1,244,713 $1,677,098$1,677,098 $1,000,000- ---
2022 · Form 990PF period ending 2022-12-31 · view filing · original 990 ↗
$2,276,522$1,767,249 $1,945,322$1,945,322 $2,300,477- ---
2021 · Form 990PF period ending 2021-12-31 · view filing · original 990 ↗
$2,172,779$977,400 $1,436,049$1,436,049 $2,204,502- ---
2020 · Form 990PF period ending 2020-12-31 · view filing · original 990 ↗
-$17,048$27,592 $240,670$240,670 $15,500- ---
2019 · Form 990PF period ending 2019-12-31 · view filing · original 990 ↗
-$52,850$5,152 $285,310$285,310 -- ---
2018 · Form 990PF period ending 2018-12-31 · view filing · original 990 ↗
-$3,221$7,392 $343,312$343,312 -- ---
2017 · Form 990PF period ending 2017-12-31 · view filing · original 990 ↗
$517$101,000 $353,925$353,925 -- ---
2016 · Form 990PF period ending 2016-12-31 · view filing · original 990 ↗
$9,499$24,483 $454,408$454,408 $15,000- ---

Funders of this organization

1 grantor reported grants to this organization, $4,300 in all, tax years 2014 to 2015. Exact: the grantor wrote this organization's EIN. Fuzzy: the grantor wrote only a name (foundations' 990-PF has no EIN field), matched to the same or a near-identical name in the same state; the name as filed is shown. From the latest return for each grantor and year, so amended returns aren't counted twice. CSV

GrantorTypeMatchYears givenGrantsTotalLatest yearLatest year's amountGrants
MIGDAL FOUNDATION INC Public charity Exact 2014-2015 2$4,300 2015$1,800
show

Nearby + Similar BETA

Organizations like this one: what they do and who they are linked to

Same category: NTEE code and revenue

Ranked without any AI: same NTEE code first, then the same NTEE group; then revenue within 2x, 5x or 10x; then the same state; then similar name and mission text. Same state only · More (100)

OrganizationStateNTEELatest revenueLatest expensesTop-paid titleTop payWhy similar
JSRS FOUNDATION INCNYT20 -$25,193$119,355 President$0 Same NTEE code T20, revenue within 2x, same state, similar name
DEO GRATIAS FOUNDATION INCNYT20 -$31,430$7,168 Director$0 Same NTEE code T20, revenue within 2x, same state, similar name
SDEI ISRAEL FOUNDATION INCNYT20 -$816,579$303,030 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state, similar name
HIRTH FAMILY FOUNDATION INCNYT20 -$15,398$14,653 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state, similar name
WWJD FOUNDATIONNYT20 -$208$44,730 Trustee$0 Same NTEE code T20, revenue within 2x, same state, similar name
ELIS FOUNDATIONNYT20 -$21,231$95,279 TRUSTEE$0 Same NTEE code T20, revenue within 2x, same state, similar name
ZHU & LIU FAMILY FOUNDATION INCNYT20 -$751$11,925 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state, similar name
MCCANN CHARITABLE FOUNDATION INCNYT20 -$122,330$101,507 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state, similar name
HUBERFELD FAMILY FOUNDATION INCNYT20 -$1,279,330$2,413,191 PRESIDENT/DIRECTOR$0 Same NTEE code T20, revenue within 2x, same state, similar name
ABDELHAMID SABRA FOUNDATION INCNYT20 -$3,373$0 DIRECTOR$0 Same NTEE code T20, revenue within 2x, same state, similar name
BEDFORD FOUNDATIONNYT20 -$106,151$327,649 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state, similar name
LIONSTONE FOUNDATIONNYT20 -$46,946$6,302 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
EUPHORIA FOUNDATIONNYT20 -$9,060$18,254 DIRECTOR$0 Same NTEE code T20, revenue within 2x, same state
ABRAMS FAMILY CHARITABLE FOUNDATION INCNYT20 -$14,237$150 VICE PRESIDE$0 Same NTEE code T20, revenue within 2x, same state
PROMETHEUS FOUNDATIONNYT20 -$6,832,618$9,144,049 SECRETARY$89,457 Same NTEE code T20, revenue within 2x, same state
LANG FAMILY FOUNDATIONNYT20 -$3,331$288,313 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
PRICE FAM FOUNDATION TRNYT20 -$124,485$150,685 TRUSTEE$0 Same NTEE code T20, revenue within 2x, same state
DILLON FAMILY FOUNDATIONNYT20 -$106,769$39,630 SETTLOR AND TRUSTEE$0 Same NTEE code T20, revenue within 2x, same state
THE IMPACT INVESTING FOUNDATIONNYT20 -$337$77,175 PRES/DIR/SEC$0 Same NTEE code T20, revenue within 2x, same state
JEFFREY V RAVETCH FAMILY FOUNDATION INCNYT20 -$3,820$12,700 PRESIDENT, DIRECTOR$0 Same NTEE code T20, revenue within 2x, same state
MERISON FAMILY FOUNDATIONNYT20 -$5,206$25,000 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
RALPH AND ELEANOR FRIEDLANDER FOUNDATION INCNYT20 -$3,201$23,800 Foundation Manager$5,170 Same NTEE code T20, revenue within 2x, same state
MALESARDI FAMILY FOUNDATIONNYT20 -$125,480$240,182 PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
BILL AND ANN ZIFF FOUNDATIONNYT20 -$28,523$11,127 DIRECTOR, PRESIDENT$0 Same NTEE code T20, revenue within 2x, same state
GRANOVSKY FAMILY FOUNDATIONNYT20 -$172$7,300 TRUSTEE$0 Same NTEE code T20, revenue within 2x, same state

Who funds organizations like this

Grantors that funded the 100 most similar organizations. Ranked by total given to them. Foundations (990-PF) and donor-advised fund sponsors only. Same matching as Funders above (by EIN, or by name for foundations).

GrantorTypeTotal givenGrantsOrganizations fundedYearsWhich ones
RDA FOUNDATION Private foundation$275,0001 12019–2019 ELIS FOUNDATION
PAYPAL CHARITABLE GIVING FUND DAF sponsor$14,7501 12024–2024 A BIG HEART FOUNDATION INC
BANK OF AMERICA CHARITABLE FOUNDATION INC Private foundation$1501 12012–2012 A BIG HEART FOUNDATION INC
AMAZONSMILE FOUNDATION Private foundation$1004 12020–2023 A BIG HEART FOUNDATION INC

The full list · all similar organizations

Where the money went

Every expense line on each return, biggest first: Form 990 Part IX (with its program, management and fundraising columns), 990-EZ Part I, or 990-PF Part I. Event marks lines the organization itself describes as events. “Events” in each summary adds those lines, conferences and meetings, and the direct costs of fundraising events. Unusual is not the same as improper. Many of these patterns have ordinary explanations. Check the filing.

2024 · Form 990PF · $1,537,728 spent · pay $0 · grants $1,537,728 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $1,537,728 100.0%
Total$1,537,728100%

View the filing

2023 · Form 990PF · $1,244,713 spent · pay $0 · grants $1,244,713 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $1,244,713 100.0%
Total$1,244,713100%

View the filing

2022 · Form 990PF · $1,767,249 spent · pay $0 · grants $1,767,249 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $1,767,249 100.0%
Total$1,767,249100%

View the filing

2021 · Form 990PF · $977,400 spent · pay $0 · grants $977,300 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $977,300 100.0%
Other expenses $100 0.0%
Total$977,400100%

View the filing

2020 · Form 990PF · $27,592 spent · pay $0 · grants $27,592 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $27,592 100.0%
Total$27,592100%

View the filing

2019 · Form 990PF · $5,152 spent · pay $0 · grants $5,052 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $5,052 98.1%
Other expenses $100 1.9%
Total$5,152100%

View the filing

2018 · Form 990PF · $7,392 spent · pay $0 · grants $7,292 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $7,292 98.6%
Taxes $100 1.4%
Total$7,392100%

View the filing

2017 · Form 990PF · $101,000 spent · pay $0 · grants $101,000 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $101,000 100.0%
Total$101,000100%

View the filing

2016 · Form 990PF · $24,483 spent · pay $0 · grants $24,433 · events $0
LineAs describedTotalShare
Contributions, gifts, grants paid $24,433 99.8%
Other expenses $50 0.2%
Total$24,483100%

View the filing

State business registration

The same business name in the same state, from the state’s official registry data.

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