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Nonprofit · EIN 06-1636085

KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION

Tax-exempt · GREAT NECK, NY 11021

Financials

$428K$143K2022$109K$132K2023$95K$194K2024
Revenue Expenses · by fiscal year end
Financials of KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
November 30, 2025990-PF$95,350$194,049-$98,699$2,795,303$0$2,795,303
November 30, 2024990-PF$109,496$132,214-$22,718$2,943,686$0$2,943,686
November 30, 2023990-PF$427,691$143,460$284,231$2,914,764$0$2,914,764
Financial details: 990-PF for the year ended November 30, 2025

Revenue

Dividends
$68,321
Net gain from sales of assets
$27,029

Expenses

Grants and similar amounts paid
$133,300
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$157,383
Excise tax on investment income
$868

Balance sheet and other

Total assets, start of year
$2,943,686
Total assets, end of year
$2,795,303
Total liabilities, end of year
$0
Net assets, end of year
$2,795,303
Fair market value of assets
$2,994,087
Qualifying distributions
$157,383
Net investment income
$95,350

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990-PF for the year ended November 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARK KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
KARA KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TREASURER5$0
HILLARY KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
SECRETARY5$0
990-PF for the year ended November 30, 2024: 3 people
NameTitleHours / weekCompensation
MARK KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
KARA KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TREASURER5$0
HILLARY KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
SECRETARY5$0
990-PF for the year ended November 30, 2023: 3 people
NameTitleHours / weekCompensation
MARK KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
KARA KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TREASURER (AS OF 03/23)5$0
HILLARY KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
SECRETARY (AS OF 03/23)5$0

Address and contacts

Address (IRS master file)
28 WENSLEY DR, GREAT NECK, NY 11021-4926
In care of
% MARK KUPFERBERG
Signed the 990-PF
MARK KUPFERBERG, TRUSTEE
Phone
(718) 461-7000
Return prepared by
GRANT THORNTON ADVISORS LLC

What it must file and when

IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in November, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990-PF on file
2023November 30, 2024April 15, 2025990-PF on file
2022November 30, 2023April 15, 2024990-PF on file

IRS record

EIN
06-1636085
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible (Pub 78)
Private foundation, 30% limit
Exempt since
2003
Accounting year ends
November
Files
Form 990-PF
Assets (IRS master file)
$2,795,303
Income (IRS master file)
$1,445,368

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFNovember 2025$95,350$194,049$2,795,303XML
990-PFNovember 2024$109,496$132,214$2,943,686XML
990-PFNovember 2023$427,691$143,460$2,914,764XML
990-PFNovember 2022–––IRS
990-PFNovember 2021–––IRS
990-PFNovember 2020–––IRS
990-PFNovember 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 06-1636085).

Questions about KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION

What is the EIN of KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION?
The employer identification number (EIN) of KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION is 06-1636085.
Is KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
Are donations to KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION due?
The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended November 2025.
Who are the officers and directors of KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION?
The 990-PF for the year ended November 30, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does KENNETH AND HARRIET R KUPFERBERG FAMILY FOUNDATION have?
On its 990-PF for the year ended November 30, 2025 it reported revenue of $95,350, expenses of $194,049 and total assets of $2,795,303 at year end.

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