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Nonprofit · EIN 52-1657510

LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC

Tax-exempt · OWINGS MILLS, MD 21117

Financials

$60K$177K2022$149K$368K2023$178K$184K2024
Revenue Expenses · by fiscal year end
Financials of LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990-PF$177,891$184,218-$6,327$1,058,272$0$1,058,272
September 30, 2024990-PF$149,150$368,292-$219,142$1,064,599$0$1,064,599
September 30, 2023990-PF$59,566$176,530-$116,964$1,283,741$0$1,283,741
Financial details: 990-PF for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$37,368
Dividends
$27,122
Net gain from sales of assets
$113,401

Expenses

Grants and similar amounts paid
$171,000
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$173,145
Excise tax on investment income
$1,820

Balance sheet and other

Total assets, start of year
$1,064,599
Total assets, end of year
$1,058,272
Total liabilities, end of year
$0
Net assets, end of year
$1,058,272
Fair market value of assets
$1,311,185
Qualifying distributions
$173,145
Net investment income
$140,523

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
GENINE MACKS FIDLER
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
PRESIDENT/DIRECTOR0$0
LAWRENCE M MACKS
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
VICE PRESIDENT/DIRECTOR0$0
MARTHA MACKS-KAHN
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
VICE PRESIDENT/DIRECTOR0$0
JOSH FIDLER
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
TREASURER/DIRECTOR0$0
ELLEN A MACKS
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
SECRETARY/DIRECTOR0$0
PETER A KAHN
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
ASSISTANT SECRETARY0$0
990-PF for the year ended September 30, 2024: 6 people
NameTitleHours / weekCompensation
GENINE MACKS FIDLER
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
PRESIDENT/DIRECTOR0$0
LAWRENCE M MACKS
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
VICE PRESIDENT/DIRECTOR0$0
MARTHA MACKS-KAHN
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
VICE PRESIDENT/DIRECTOR0$0
JOSH FIDLER
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
TREASURER/DIRECTOR0$0
ELLEN A MACKS
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
SECRETARY/DIRECTOR0$0
PETER A KAHN
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
ASSISTANT SECRETARY0$0
990-PF for the year ended September 30, 2023: 6 people
NameTitleHours / weekCompensation
GENINE MACKS FIDLER
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
PRESIDENT/DIRECTOR0$0
LAWRENCE M MACKS
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
VICE PRESIDENT/DIRECTOR0$0
MARTHA MACKS-KAHN
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
VICE PRESIDENT/DIRECTOR0$0
JOSH FIDLER
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
TREASURER/DIRECTOR0$0
ELLEN A MACKS
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
SECRETARY/DIRECTOR0$0
PETER A KAHN
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117
ASSISTANT SECRETARY0$0

Address and contacts

Address (IRS master file)
4750 OWINGS MILLS BLVD, OWINGS MILLS, MD 21117-4904
In care of
% FIDLER AND MACKS
Signed the 990-PF
GENINE MACKS FIDLER, OFFICER
Phone
(410) 356-9900
Return prepared by
RSM US 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 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
52-1657510
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
1991
Accounting year ends
September
Files
Form 990-PF
Assets (IRS master file)
$1,058,272
Income (IRS master file)
$663,615

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFSeptember 2025$177,891$184,218$1,058,272XML
990-PFSeptember 2024$149,150$368,292$1,064,599XML
990-PFSeptember 2023$59,566$176,530$1,283,741XML
990-PFSeptember 2022–––IRS
990-PFSeptember 2021–––IRS
990-PFSeptember 2020–––IRS
990-PFSeptember 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 52-1657510).

Questions about LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC

What is the EIN of LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC?
The employer identification number (EIN) of LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC is 52-1657510.
Is LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1991.
Are donations to LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of LOUISE D & MORTON J MACKS FAMILY 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 LOUISE D & MORTON J MACKS FAMILY 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 LOUISE D & MORTON J MACKS FAMILY 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 LOUISE D & MORTON J MACKS FAMILY FOUNDATION INC have?
On its 990-PF for the year ended September 30, 2025 it reported revenue of $177,891, expenses of $184,218 and total assets of $1,058,272 at year end.

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