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Nonprofit · EIN 06-1636083

JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION

Also known as KUPFERBERG DOROTHY ET AL TTEE

Tax-exempt · EAST NORWICH, NY 11732

Financials

$449K$385K2022$303K$371K2023$297K$376K2024
Revenue Expenses · by fiscal year end
Financials of JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
November 30, 2025990-PF$296,773$375,837-$79,064$5,167,280$0$5,167,280
November 30, 2024990-PF$302,961$371,135-$68,174$5,246,344$0$5,246,344
November 30, 2023990-PF$449,038$385,416$63,622$5,314,518$0$5,314,518
Financial details: 990-PF for the year ended November 30, 2025

Revenue

Dividends
$165,077
Interest
$1
Net gain from sales of assets
$131,290
Other income
$405

Expenses

Grants and similar amounts paid
$300,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$314,474
Excise tax on investment income
$3,294

Balance sheet and other

Total assets, start of year
$5,246,344
Total assets, end of year
$5,167,280
Total liabilities, end of year
$0
Net assets, end of year
$5,167,280
Fair market value of assets
$6,117,815
Qualifying distributions
$314,474
Net investment income
$296,773

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
SETH KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
MARCIA KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
LENN KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
990-PF for the year ended November 30, 2024: 3 people
NameTitleHours / weekCompensation
SETH KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
MARCIA KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
LENN KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
990-PF for the year ended November 30, 2023: 3 people
NameTitleHours / weekCompensation
SETH KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
MARCIA KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0
LENN KUPFERBERG
131-38 SANFORD AVE, FLUSHING, NY 11355
TRUSTEE5$0

Address and contacts

Address (IRS master file)
PO BOX 40, EAST NORWICH, NY 11732-0040
In care of
% SETH KUPFERBERG
Signed the 990-PF
SETH KUPFERBERG, TRUSTEE
Phone
(718) 461-7000
Return prepared by
LUMSDEN & MCCORMICK LLP

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
06-1636083
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
2002
Accounting year ends
November
Files
Form 990-PF
Assets (IRS master file)
$5,167,280
Income (IRS master file)
$3,802,695

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFNovember 2025$296,773$375,837$5,167,280XML
990-PFNovember 2024$302,961$371,135$5,246,344XML
990-PFNovember 2023$449,038$385,416$5,314,518XML
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 06-1636083).

Questions about JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION

What is the EIN of JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION?
The employer identification number (EIN) of JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION is 06-1636083.
Is JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
Are donations to JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of JACK AND DOROTHY 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 JACK AND DOROTHY 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 JACK AND DOROTHY 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 JACK AND DOROTHY KUPFERBERG FAMILY FOUNDATION have?
On its 990-PF for the year ended November 30, 2025 it reported revenue of $296,773, expenses of $375,837 and total assets of $5,167,280 at year end.

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