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Nonprofit · EIN 52-1102776

PLATT FOUNDATION INC

Tax-exempt · WINSTON SALEM, NC 27106

Financials

−$1K$16K2022$4K$29K2023$11K$48K2024
Revenue Expenses · by fiscal year end
Financials of PLATT FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990-PF$11,352$47,503-$36,151$195,586$0$195,586
September 30, 2024990-PF$3,525$29,212-$25,687$231,737$0$231,737
September 30, 2023990-PF-$1,135$16,141-$17,276$257,424$0$257,424
Financial details: 990-PF for the year ended September 30, 2025

Revenue

Dividends
$8,095
Net gain from sales of assets
$3,257

Expenses

Grants and similar amounts paid
$40,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$40,000
Excise tax on investment income
$54

Balance sheet and other

Total assets, start of year
$231,737
Total assets, end of year
$195,586
Total liabilities, end of year
$0
Net assets, end of year
$195,586
Fair market value of assets
$552,811
Qualifying distributions
$40,000
Net investment income
$11,352

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 September 30, 2025, highest compensation first.

NameTitleHours / weekCompensation
MARY PLATT COOPER
2809 WESLEYAN LANE, WINSTONSALEM, NC 27106
PRESIDENT/TREASURER1$0
SUSAN PLATT GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
VICE PRESIDENT0.5$0
ANDREW GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
SECRETARY0.5$0
MARY PLATT COOPER
2809 WESLEYAN LANE, WINSTONSALEM, NC 27106
DIRECTOR0$0
SUSAN PLATT GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
DIRECTOR0$0
ANDREW GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
DIRECTOR0$0
990-PF for the year ended September 30, 2024: 6 people
NameTitleHours / weekCompensation
MARY PLATT COOPER
2809 WESLEYAN LANE, WINSTONSALEM, NC 27106
PRESIDENT/TREASURER1$0
SUSAN PLATT GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
VICE PRESIDENT0.5$0
ANDREW GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
SECRETARY0.5$0
MARY PLATT COOPER
2809 WESLEYAN LANE, WINSTONSALEM, NC 27106
DIRECTOR0$0
SUSAN PLATT GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
DIRECTOR0$0
ANDREW GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
DIRECTOR0$0
990-PF for the year ended September 30, 2023: 6 people
NameTitleHours / weekCompensation
MARY PLATT COOPER
2809 WESLEYAN LANE, WINSTONSALEM, NC 27106
PRESIDENT/TREASURER1$0
SUSAN PLATT GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
VICE PRESIDENT0.5$0
ANDREW GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
SECRETARY0.5$0
MARY PLATT COOPER
2809 WESLEYAN LANE, WINSTONSALEM, NC 27106
DIRECTOR0$0
SUSAN PLATT GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
DIRECTOR0$0
ANDREW GREENE
103 UNWIN PLACE, CHAPEL HILL, NC 27516
DIRECTOR0$0

Address and contacts

Address (IRS master file)
2809 WESLEYAN LN, WINSTON SALEM, NC 27106-5847
Signed the 990-PF
MARY PLATT COOPER, PRESIDENT
Phone
(207) 542-5694
Return prepared by
APRIO ADVISORY GROUP 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 September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990-PF on file
2023September 30, 2024February 18, 2025990-PF on file

IRS record

EIN
52-1102776
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
1978
Accounting year ends
September
Files
Form 990-PF
Assets (IRS master file)
$195,586
Income (IRS master file)
$27,860

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFSeptember 2025$11,352$47,503$195,586XML
990-PFSeptember 2024$3,525$29,212$231,737XML
990-PFSeptember 2023-$1,135$16,141$257,424XML
990-PFSeptember 2022–––IRS
990-PFSeptember 2021–––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 52-1102776).

Questions about PLATT FOUNDATION INC

What is the EIN of PLATT FOUNDATION INC?
The employer identification number (EIN) of PLATT FOUNDATION INC is 52-1102776.
Is PLATT FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1978.
Are donations to PLATT FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does PLATT FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of PLATT FOUNDATION INC due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PLATT FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended September 2025.
Who are the officers and directors of PLATT FOUNDATION INC?
The 990-PF for the year ended September 30, 2025 lists 6 people; 0 received compensation from the organization.
How much revenue does PLATT FOUNDATION INC have?
On its 990-PF for the year ended September 30, 2025 it reported revenue of $11,352, expenses of $47,503 and total assets of $195,586 at year end.

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