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Nonprofit · EIN 99-6118102

ROBERT AND CATHERINE PLATT FAMILY FOUNDATION

Also known as ROBERT J PLATT TTEE

Tax-exempt · ELMHURST, IL 60126

Financials

$100K$02023$2.1M$1K2024$50K$138K2025
Revenue Expenses · by fiscal year end
Financials of ROBERT AND CATHERINE PLATT FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$49,931$137,813-$87,882$738,403$0$738,403
December 31, 2024990-PF$2,054,872$1,452$2,053,420$2,153,420$0$2,153,420
December 31, 2023990-PF$100,000$0$100,000$100,000$0$100,000
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$0
Dividends
$27,560
Interest
$2,597
Net gain from sales of assets
$19,774

Expenses

Grants and similar amounts paid
$122,500
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$123,035
Excise tax on investment income
$558

Balance sheet and other

Total assets, start of year
$2,153,420
Total assets, end of year
$738,403
Total liabilities, end of year
$0
Net assets, end of year
$738,403
Fair market value of assets
$2,349,483
Qualifying distributions
$123,035
Net investment income
$49,931

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 December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
ROBERT PLATT
226 S KENMORE AVENUE, ELMHURST, IL 60126
TRUSTEE0.5$0
CATHERINE PLATT
226 S KENMORE AVENUE, ELMHURST, IL 60126
TRUSTEE0.5$0
990-PF for the year ended December 31, 2024: 2 people
NameTitleHours / weekCompensation
ROBERT PLATT
226 S KENMORE AVENUE, ELMHURST, IL 60126
TRUSTEE0.5$0
CATHERINE PLATT
226 S KENMORE AVENUE, ELMHURST, IL 60126
TRUSTEE0.5$0
990-PF for the year ended December 31, 2023: 2 people
NameTitleHours / weekCompensation
ROBERT PLATT
226 S KENMORE AVE, ELMHURST, IL 60126
TRUSTEE0.5$0
CATHERINE PLATT
226 S KENMORE AVE, ELMHURST, IL 60126
TRUSTEE0.5$0

Address and contacts

Address (IRS master file)
226 S KENMORE AVE, ELMHURST, IL 60126-3520
In care of
% ROBERT J PLATT
Signed the 990-PF
ROBERT PLATT, TRUSTEE
Phone
(630) 215-3930
Return prepared by
PORTE BROWN 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 December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
99-6118102
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
2024
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$738,403
Income (IRS master file)
$64,256

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$49,931$137,813$738,403IRS
990-PFDecember 2024$2,054,872$1,452$2,153,420IRS
990-PFDecember 2023$100,000$0$100,000XML

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 99-6118102).

Questions about ROBERT AND CATHERINE PLATT FAMILY FOUNDATION

What is the EIN of ROBERT AND CATHERINE PLATT FAMILY FOUNDATION?
The employer identification number (EIN) of ROBERT AND CATHERINE PLATT FAMILY FOUNDATION is 99-6118102.
Is ROBERT AND CATHERINE PLATT FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2024.
Are donations to ROBERT AND CATHERINE PLATT FAMILY FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does ROBERT AND CATHERINE PLATT FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of ROBERT AND CATHERINE PLATT FAMILY FOUNDATION due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ROBERT AND CATHERINE PLATT FAMILY FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended December 2025.
Who are the officers and directors of ROBERT AND CATHERINE PLATT FAMILY FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does ROBERT AND CATHERINE PLATT FAMILY FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $49,931, expenses of $137,813 and total assets of $738,403 at year end.

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