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Nonprofit · EIN 13-3792291

MICHAEL AND PAULA RANTZ FOUNDATION

Tax-exempt · PALO ALTO, CA 94301

Financials

$673K$1.1M2022$889K$1.2M2023$952K$1.2M2024
Revenue Expenses · by fiscal year end
Financials of MICHAEL AND PAULA RANTZ FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
May 31, 2025990-PF$952,329$1,194,700-$242,371$6,902,468$0$6,902,468
May 31, 2024990-PF$889,188$1,154,399-$265,211$7,069,035$0$7,069,035
May 31, 2023990-PF$673,092$1,112,690-$439,598$7,334,246$0$7,334,246
Financial details: 990-PF for the year ended May 31, 2025

Revenue

Contributions, gifts and grants
$0
Dividends
$374,281
Interest
$69,667
Net gain from sales of assets
$235,243
Other income
$273,138

Expenses

Grants and similar amounts paid
$1,180,630
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$1,180,630
Excise tax on investment income
$13,069

Balance sheet and other

Total assets, start of year
$7,069,035
Total assets, end of year
$6,902,468
Total liabilities, end of year
$0
Net assets, end of year
$6,902,468
Fair market value of assets
$28,086,050
Qualifying distributions
$1,180,630
Net investment income
$942,210

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 May 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
MICHAEL RANTZ
2149 Waverley Street, PALO ALTO, CA 94301
TRUSTEE1$0
PAULA ANNE RANTZ
415 N California Ave, Palo Alto, CA 94301
TRUSTEE1$0
990-PF for the year ended May 31, 2024: 2 people
NameTitleHours / weekCompensation
MICHAEL RANTZ
330 SANTA RITA AVENUE, PALO ALTO, CA 94301
TRUSTEE1$0
PAULA ANNE RANTZ
330 SANTA RITA AVENUE, PALO ALTO, CA 94301
TRUSTEE1$0
990-PF for the year ended May 31, 2023: 2 people
NameTitleHours / weekCompensation
MICHAEL RANTZ
330 SANTA RITA AVENUE, PALO ALTO, CA 94301
TRUSTEE1$0
PAULA ANNE RANTZ
330 SANTA RITA AVENUE, PALO ALTO, CA 94301
TRUSTEE1$0

Address and contacts

Address (IRS master file)
2149 WAVERLEY ST, PALO ALTO, CA 94301-3955
In care of
% ERNST & YOUNG US LLP
Signed the 990-PF
MICHAEL RANTZ, TRUSTEE
Phone
(212) 773-3000
Return prepared by
ERNST & YOUNG US LLP

California records

California keeps its own records of charities and corporations. Search them by EIN 13-3792291 or by the name MICHAEL AND PAULA RANTZ FOUNDATION.

Attorney General, Registry of Charities and Fundraisers
Registration status and filed reports (CT-TR-1, RRF-1)

What it must file and when

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

Tax yearYear endedDueIRS public records
2025May 31, 2026October 15, 2026Not on file
2024May 31, 2025October 15, 2025990-PF on file
2023May 31, 2024October 15, 2024990-PF on file

IRS record

EIN
13-3792291
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
1995
Accounting year ends
May
Files
Form 990-PF
Assets (IRS master file)
$6,902,468
Income (IRS master file)
$952,946

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFMay 2025$952,329$1,194,700$6,902,468XML
990-TMay 2025–––IRS
990-PFMay 2024$889,188$1,154,399$7,069,035XML
990-TMay 2024–––IRS
990-PFMay 2023$673,092$1,112,690$7,334,246IRS
990-TMay 2023–––IRS
990-PFMay 2022–––IRS
990-TMay 2022–––IRS
990-PFMay 2021–––IRS
990-TMay 2021–––IRS
990-PFMay 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 13-3792291).

Questions about MICHAEL AND PAULA RANTZ FOUNDATION

What is the EIN of MICHAEL AND PAULA RANTZ FOUNDATION?
The employer identification number (EIN) of MICHAEL AND PAULA RANTZ FOUNDATION is 13-3792291.
Is MICHAEL AND PAULA RANTZ FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
Are donations to MICHAEL AND PAULA RANTZ FOUNDATION tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MICHAEL AND PAULA RANTZ FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of MICHAEL AND PAULA RANTZ FOUNDATION due?
The return for tax year 2025 (the year ending May 31, 2026) is due October 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did MICHAEL AND PAULA RANTZ FOUNDATION last file with the IRS?
The latest return in the IRS public files is the 990-PF for the year ended May 2025.
Who are the officers and directors of MICHAEL AND PAULA RANTZ FOUNDATION?
The 990-PF for the year ended May 31, 2025 lists 2 people; 0 received compensation from the organization.
How much revenue does MICHAEL AND PAULA RANTZ FOUNDATION have?
On its 990-PF for the year ended May 31, 2025 it reported revenue of $952,329, expenses of $1,194,700 and total assets of $6,902,468 at year end.

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