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Nonprofit · EIN 84-1359652

FREDERICK R MAYER FOUNDATION

Tax-exempt · DENVER, CO 80217

Financials

$0$02022$0$02023$0$02024
Revenue Expenses · by fiscal year end
Financials of FREDERICK R MAYER FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
November 30, 2025990-PF$0$0$0$525,138$5,492$519,646
November 30, 2024990-PF$0$0$0$525,138$5,492$519,646
November 30, 2023990-PF$0$0$0$525,138$5,492$519,646
Financial details: 990-PF for the year ended November 30, 2025

Revenue

Expenses

Grants and similar amounts paid
$0

Balance sheet and other

Total assets, start of year
$525,138
Total assets, end of year
$525,138
Total liabilities, end of year
$5,492
Net assets, end of year
$519,646
Fair market value of assets
$525,138

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
FREDERICK R MAYER
PO BOX 5272, DENVER, CO 802175272
FOUNDATION MANAGER0$0
ANTHONY MAYER
PO BOX 5272, DENVER, CO 802175272
VICE PRESIDENT0$0
JAN PERRY MAYER
PO BOX 5272, DENVER, CO 802175272
PRESIDENT0$0
990-PF for the year ended November 30, 2024: 3 people
NameTitleHours / weekCompensation
JAN PERRY MAYER
PO BOX 5272, DENVER, CO 802175272
PRESIDENT0$0
ANTHONY MAYER
PO BOX 5272, DENVER, CO 802175272
VICE PRESIDENT0$0
FREDERICK R MAYER
PO BOX 5272, DENVER, CO 802175272
FOUNDATION MANAGER0$0
990-PF for the year ended November 30, 2023: 2 people
NameTitleHours / weekCompensation
Jan Perry Mayer
PO Box 5272, Denver, CO 802175272
President0$0
Anthony Mayer
PO Box 5272, Denver, CO 802175272
Vice President0$0

Address and contacts

Address (IRS master file)
PO BOX 5272, DENVER, CO 80217-5272
In care of
% FREDERICK R MAYER FOUNDATIO
Signed the 990-PF
JAN PERRY MAYER, PRESIDENT
Phone
(303) 862-9550
Return prepared by
Forvis Mazars 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
84-1359652
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private operating foundation
Donations deductible (Pub 78)
Private operating foundation, 50% limit
Exempt since
1996
Accounting year ends
November
Files
Form 990-PF
Assets (IRS master file)
$525,138
Income (IRS master file)
$1

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFNovember 2025$0$0$525,138XML
990-PFNovember 2024$0$0$525,138XML
990-PFNovember 2023$0$0$525,138XML
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 84-1359652).

Questions about FREDERICK R MAYER FOUNDATION

What is the EIN of FREDERICK R MAYER FOUNDATION?
The employer identification number (EIN) of FREDERICK R MAYER FOUNDATION is 84-1359652.
Is FREDERICK R MAYER FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1996.
Are donations to FREDERICK R MAYER FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
Which annual return does FREDERICK R MAYER FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of FREDERICK R MAYER 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 FREDERICK R MAYER 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 FREDERICK R MAYER FOUNDATION?
The 990-PF for the year ended November 30, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does FREDERICK R MAYER FOUNDATION have?
On its 990-PF for the year ended November 30, 2025 it reported revenue of $0, expenses of $0 and total assets of $525,138 at year end.

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