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Nonprofit · EIN 20-3887014

THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC

Tax-exempt · MOORESTOWN, NJ 08057

Financials

$226$3K2022$143K$3K2023−$3K$4K2024
Revenue Expenses · by fiscal year end
Financials of THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990-PF-$2,603$3,790-$6,393$119,421$0$119,421
June 30, 2024990-PF$143,173$2,614$140,559$125,814$0$125,814
June 30, 2023990-PF$226$2,681-$2,455$35,351$50,096-$14,745
Financial details: 990-PF for the year ended June 30, 2025

Revenue

Interest
$48
Other income
-$2,651

Expenses

Grants and similar amounts paid
$0

Balance sheet and other

Total assets, start of year
$125,814
Total assets, end of year
$119,421
Total liabilities, end of year
$0
Net assets, end of year
$119,421
Fair market value of assets
$119,421
Net investment income
-$2,603

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 June 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
ORSULA V KNOWLTON
445 WINDROW CLUSTER DRIVE, MOORESTOWN, NJ 08057
PRESIDENT0$0
CALVIN H KNOWLTON
445 WINDROW CLUSTER DRIVE, MOORESTOWN, NJ 08057
VP0$0
990-PF for the year ended June 30, 2024: 2 people
NameTitleHours / weekCompensation
ORSULA V KNOWLTON
6527 SPYGLASS CIRCLE, AMELIA ISLAND, FL 32034
PRESIDENT1$0
CALVIN H KNOWLTON
6527 SPYGLASS CIRCLE, AMELIA ISLAND, FL 32034
VP1$0
990-PF for the year ended June 30, 2023: 2 people
NameTitleHours / weekCompensation
ORSULA V KNOWLTON
6527 SPYGLASS CIRCLE, AMELIA ISLAND, FL 32034
PRESIDENT0$0
CALVIN H KNOWLTON
6527 SPYGLASS CIRCLE, AMELIA ISLAND, FL 32034
VP0$0

Address and contacts

Address (IRS master file)
445 WINDROW CLUSTERS DR, MOORESTOWN, NJ 08057-4307
In care of
% ORSULA VOLTIS KNOWLTON
Signed the 990-PF
ORSULA V KNOWLTON, PRESIDENT
Phone
(866) 629-9245
Return prepared by
THE HURST COMPANY CPAS PA

What it must file and when

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

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990-PF on file
2023June 30, 2024November 15, 2024990-PF on file

IRS record

EIN
20-3887014
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
2006
Accounting year ends
June
Files
Form 990-PF
Assets (IRS master file)
$119,421

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFJune 2025-$2,603$3,790$119,421IRS
990-PFJune 2024$143,173$2,614$125,814IRS
990-PFJune 2023$226$2,681$35,351XML
990-PFJune 2022–––IRS
990-PFJune 2021–––IRS
990-PFJune 2020–––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 20-3887014).

Questions about THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC

What is the EIN of THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC?
The employer identification number (EIN) of THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC is 20-3887014.
Is THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2006.
Are donations to THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended June 2025.
Who are the officers and directors of THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC?
The 990-PF for the year ended June 30, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does THE CALVIN AND ORSULA KNOWLTON FOUNDATION INC have?
On its 990-PF for the year ended June 30, 2025 it reported revenue of -$2,603, expenses of $3,790 and total assets of $119,421 at year end.

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