Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 46-1632345

MAAS FOUNDATION INC

Tax-exempt · PEWAUKEE, WI 53072

Financials

$51K$90K2023$68K$111K2024$87K$144K2025
Revenue Expenses · by fiscal year end
Financials of MAAS FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$87,415$143,975-$56,560$1,424,250$0$1,424,250
December 31, 2024990-PF$68,233$110,503-$42,270$1,480,810$0$1,480,810
December 31, 2023990-PF$51,352$89,971-$38,619$1,522,342$0$1,522,342
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Dividends
$30,511
Net gain from sales of assets
$56,904

Expenses

Grants and similar amounts paid
$135,550
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$137,346
Excise tax on investment income
$1,137

Balance sheet and other

Total assets, start of year
$1,480,810
Total assets, end of year
$1,424,250
Total liabilities, end of year
$0
Net assets, end of year
$1,424,250
Fair market value of assets
$1,466,858
Qualifying distributions
$137,346
Net investment income
$87,415

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
THOMAS E MAAS
1175 CORPORATE WOODS PKWY UNIT 218, VERNON HILLS, IL 60061
PRESIDENT/DIRECTOR0.2$0
DUANE A MAAS
N33W23666 FIELDSIDE ROAD, PEWAUKEE, WI 53072
DIRECTOR0.2$0
THOMAS J MAAS
1525 N WOOD STREET 2, CHICAGO, IL 60622
SEC/TREAS0.2$0
JON K MAAS
1456 PERIWINKLE WAY SUITE B 292, SANIBEL, FL 339574509
DIRECTOR0.2$0
990-PF for the year ended December 31, 2024: 4 people
NameTitleHours / weekCompensation
THOMAS E MAAS
1175 CORPORATE WOODS PKWY UNIT 218, VERNON HILLS, IL 60061
PRESIDENT/DIRECTOR0$0
DUANE A MAAS
N33W23666 FIELDSIDE ROAD, PEWAUKEE, WI 53072
DIRECTOR0$0
THOMAS J MAAS
1525 N WOOD STREET 2, CHICAGO, IL 60622
SEC/TREAS0$0
JON K MAAS
1456 PERIWINKLE WAY SUITE B 292, SANIBEL, FL 339574509
DIRECTOR0$0
990-PF for the year ended December 31, 2023: 4 people
NameTitleHours / weekCompensation
THOMAS E MAAS
1175 CORPORATE WOODS PKWY UNIT 218, VERNON HILLS, IL 60061
PRESIDENT/DIRECTOR0$0
DUANE A MAAS
N33W23666 FIELDSIDE ROAD, PEWAUKEE, WI 53072
DIRECTOR0$0
THOMAS J MAAS
1525 N WOOD STREET 2, CHICAGO, IL 60622
SEC/TREAS0$0
JON K MAAS
1456 PERIWINKLE WAY SUITE B 292, SANIBEL, FL 339574509
DIRECTOR0$0

Address and contacts

Address (IRS master file)
N27 W23921 PAUL ROAD, PEWAUKEE, WI 53072-6234
In care of
% DUANE A MAAS
Signed the 990-PF
THOMAS E MAAS, PRESIDENT
Phone
(847) 420-8437
Return prepared by
FGMK 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
46-1632345
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
2014
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$1,424,250
Income (IRS master file)
$230,261

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$87,415$143,975$1,424,250XML
990-PFDecember 2024$68,233$110,503$1,480,810IRS
990-PFDecember 2023$51,352$89,971$1,522,342XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 2020–––IRS
990-PFDecember 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 46-1632345).

Questions about MAAS FOUNDATION INC

What is the EIN of MAAS FOUNDATION INC?
The employer identification number (EIN) of MAAS FOUNDATION INC is 46-1632345.
Is MAAS FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2014.
Are donations to MAAS FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
Which annual return does MAAS FOUNDATION INC file?
Form 990-PF. Private foundations file every year.
When is the next return of MAAS FOUNDATION INC 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 MAAS FOUNDATION INC 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 MAAS FOUNDATION INC?
The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does MAAS FOUNDATION INC have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $87,415, expenses of $143,975 and total assets of $1,424,250 at year end.

Other nonprofits in PEWAUKEE

All nonprofits in PEWAUKEE · Wisconsin · Philanthropy, voluntarism and grantmaking foundations