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Nonprofit · EIN 39-1231819

FRIENDS OF SCHLITZ-AUDUBON CENTER INC

Tax-exempt · MILWAUKEE, WI 53217

Financials

$3.4M$3.4M2022$4M$3.7M2023$4.6M$4.1M2024
Revenue Expenses · by fiscal year end
Financials of FRIENDS OF SCHLITZ-AUDUBON CENTER INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990$4,631,339$4,097,909$533,430$8,812,398$986,161$7,826,237
June 30, 2024990$3,978,225$3,728,876$249,349$7,972,766$814,213$7,158,553
June 30, 2023990$3,362,958$3,386,847-$23,889$7,514,258$825,320$6,688,938
Financial details: 990 for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$2,161,477
of which government grants
$111,401
Program service revenue
$1,657,572
Investment income
$445,704
Net rental income
$326,152
Net gain from sales of assets
$147,388
Net income from fundraising events
-$51,461
Net income from gaming
$4,829
Net income from sales of inventory
$81,399
Other revenue
$366,586

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$290,904
Other salaries and wages
$2,148,044
Salaries, compensation and benefits (total)
$3,017,698
Professional fundraising fees
$0
Accounting fees
$20,400
Occupancy
$273,408
Travel
$19,789
Depreciation
$129,171
Program services (functional)
$3,324,373
Management and general (functional)
$472,506
Fundraising (functional)
$301,030

Balance sheet and other

Total assets, start of year
$7,972,766
Total assets, end of year
$8,812,398
Total liabilities, end of year
$986,161
Net assets, end of year
$7,826,237
Land, buildings and equipment
$1,224,836
Publicly traded securities
$6,223,684
Net assets without donor restrictions
$6,957,652
Net assets with donor restrictions
$868,585
Gross receipts
$6,386,512
Employees
93
Volunteers
2,255
Year formed
1975
State of legal domicile
WI

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 for the year ended June 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
HELEN BOOMSMAEXECUTIVE DIRECTOR
Officer
40$151,202$20,506
LISA TROSTCHIEF FINANCIAL OFFICER
Officer
40$86,994$11,908
BENJAMIN T PAVLIKPRESIDENT
Trustee or director, Officer
4$0$0
EVAN KIRKSTEINTREASURER
Trustee or director, Officer
4$0$0
BARBARA BRENNAN NELSONVP DEVELOPMENT
Trustee or director, Officer
3$0$0
JOHN SCHAUBVP GOVERNANCE
Trustee or director, Officer
2$0$0
LEIA OLSENSECRETARY (THRU MAR 2025)
Trustee or director, Officer
2$0$0
JOSEPH CAMILLIDIRECTOR
Trustee or director
1$0$0
RENEE CLAIRDIRECTOR
Trustee or director
1$0$0
JEFF RUSINOWDIRECTOR
Trustee or director
1$0$0
JONATHAN LULJAKDIRECTOR
Trustee or director
1$0$0
CARRIE NICHOLSDIRECTOR
Trustee or director
1$0$0
JANE BELLDIRECTOR
Trustee or director
1$0$0
TOM BAUSCHDIRECTOR (FROM APR 2025)
Trustee or director
1$0$0
ALEX STANKIEWICZ KREMSDIRECTOR (FROM FEB 2025)
Trustee or director
1$0$0
2 more people on this return
NameTitleHours / weekCompensation
AMY GIUFFREDIRECTOR (THRU JUL 2024)
Trustee or director
1$0
THERESE GRIPENTROGDIRECTOR (THRU APR 2025)
Trustee or director
1$0
990 for the year ended June 30, 2024: 15 people
NameTitleHours / weekCompensationOther / benefits
HELEN BOOMSMAEXECUTIVE DIRECTOR
Officer
40$167,668$15,763
LISA TROSTCHIEF FINANCIAL OFFICER
Officer
40$83,808$9,416
BENJAMIN T PAVLIKPRESIDENT
Trustee or director, Officer
4$0$0
EVAN KIRKSTEINTREASURER
Trustee or director, Officer
4$0$0
LEIA OLSENSECRETARY
Trustee or director, Officer
2$0$0
BARBARA BRENNAN NELSONVP DEVELOPMENT
Trustee or director, Officer
3$0$0
JOHN SCHAUBVP GOVERNANCE
Trustee or director, Officer
2$0$0
JOSEPH CAMILLIDIRECTOR
Trustee or director
1$0$0
RENEE CLAIRDIRECTOR
Trustee or director
1$0$0
AMY GIUFFREDIRECTOR
Trustee or director
1$0$0
THERESE GRIPENTROGDIRECTOR
Trustee or director
1$0$0
JEFF RUSINOWDIRECTOR
Trustee or director
1$0$0
JONATHAN LULJAKDIRECTOR
Trustee or director
1$0$0
CARRIE NICHOLSDIRECTOR
Trustee or director
1$0$0
JANE BELLDIRECTOR
Trustee or director
1$0$0
990 for the year ended June 30, 2023: 18 people
NameTitleHours / weekCompensationOther / benefits
HELEN BOOMSMAEXECUTIVE DIRECTOR
Officer
40$131,517$12,716
LISA TROSTCHIEF FINANCIAL OFFICER
Officer
40$79,970$7,874
SHANE DELSMANPRESIDENT
Trustee or director, Officer
4$0$0
BENJAMIN T PAVLIKTREASURER
Trustee or director, Officer
4$0$0
ALIAH BERMANSECRETARY
Trustee or director, Officer
2$0$0
BARBARA BRENNAN NELSONVP DEVELOPMENT
Trustee or director, Officer
3$0$0
JOHN SCHAUBVP GOVERNANCE
Trustee or director, Officer
2$0$0
JOSEPH CAMILLIDIRECTOR
Trustee or director
1$0$0
RENEE CLAIRDIRECTOR
Trustee or director
1$0$0
AMY GIUFFREDIRECTOR
Trustee or director
1$0$0
THERESE GRIPENTROGDIRECTOR
Trustee or director
1$0$0
JEFF RUSINOWDIRECTOR
Trustee or director
1$0$0
JONATHAN LULJAKDIRECTOR
Trustee or director
1$0$0
CARRIE NICHOLSDIRECTOR
Trustee or director
1$0$0
LINDSAY STEVENSDIRECTOR
Trustee or director
1$0$0
EVAN KIRKSTEINDIRECTOR
Trustee or director
1$0$0
LEIA OLSENDIRECTOR
Trustee or director
1$0$0
HEIDI DONDLINGERDIRECTOR
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
1111 E BROWN DEER ROAD, MILWAUKEE, WI 53217-1942
In care of
% LISA TROST
Principal officer (990 for 2024)
HELEN BOOMSMA, 1111 E BROWN DEER ROAD, MILWAUKEE, WI 53217
Signed the 990
HELEN BOOMSMA, EXECUTIVE DIRECTOR
Phone
(414) 352-2880
Return prepared by
WEGNER CPAS LLP

Mission

SCHLITZ AUDUBON NATURE CENTER CONSERVES OUR LAND'S DIVERSE HABITATS ON LAKE MICHIGAN AND PROVIDES MEANINGFUL EXPERIENCES AND ENVIRONMENTAL EDUCATION FOR ALL.

990 for the year ended June 30, 2025

Program accomplishments

  • ENVIRONMENTAL EDUCATION: THE CENTER OFFERS PROGRAMS FOR PEOPLE OF ALL AGES AND ABILITIES. WE SERVE OVER 30,000 CHILDREN AND ADULTS ANNUALLY THROUGH ON-SITE AND OFF-SITE PROGRAMS RANGING FROM ENVIRONMENTAL EDUCATION, SUMMER CAMPS, AND NATURE ART CLASSES TO OUR MASTER NATURALIST COURSE. THE CENTER ALSO OFFERS PROGRAMMING FOR SPECIAL NEEDS INDIVIDUALS SUCH AS THE VISUALLY IMPAIRED, YOUNG CANCER SURVIVORS, AND OLDER ADULTS WITH COGNITIVE CHALLENGES. IN ADDITION, WE OFFER THE MOST COMPREHENSIVE RAPTOR EDUCATION PROGRAM IN THE MIDWEST, WITH 16 RESIDENT BIRDS OF PREY WHO CANNOT BE RELEASED BACK INTO THE WILD. OUR FEATHERED AMBASSADORS REACHED OVER 168,000 PEOPLE DURING THE YEAR.THE RAPTORS, ESPECIALLY OUR EAGLES, HAVE BEEN PARTICIPATING IN SPORTING EVENTS SUCH AS BASKETBALL AND BASEBALL GAMES WHICH HAS REALLY INCREASED THE REACH.
    Expenses $1,761,494 · revenue $876,713
  • NATURE SCHOOL: THIS PROGRAM GIVES EARLY LEARNERS (BABIES TO AGE 6) ACCESS TO NATURE-BASED EXPERIENCES. OUR AWARD-WINNING NATURE PRESCHOOL, FOUNDED IN 2003, WAS ONE OF THE FIRST OF ITS KIND IN THE NATION AND IS HOUSED IN THE CENTER'S GOLD LEED CERTIFIED BUILDING, OUR SCHOOL IS DEEPLY COMMITTED TO ENVIRONMENTAL EDUCATION AND ACTIVE LEARNING FOR ALL STUDENTS. THROUGH OUTREACH PROGRAMMING, OUR EARLY CHILDHOOD EDUCATORS PROVIDE THE NATURE LEARNING APPROACH TO STUDENTS FROM THE MOST ECONOMICALLY CHALLENGED AREAS OF MILWAUKEE.
    Expenses $830,964 · revenue $780,859
  • LAND CONSERVATION: OUR 185 ACRES OF FOREST, WETLANDS, PRAIRIE, RAVINES, BLUFFS, AND SHORELINE ARE AT THE HEART OF OUR CONSERVATION ACTIVITY AND NATURE-BASED COMMUNITY PROGRAMMING. THE LAND IS OUR OUTDOOR CLASSROOM AND THE FOUNDATION FOR OUR UNIQUE EDUCATIONAL EXPERIENCES. GUIDED BY OUR COMPREHENSIVE LAND MANAGEMENT PLAN, OUR VISION IS TO CREATE A BIOLOGICALLY AND VISUALLY DIVERSE 21ST CENTURY LANDSCAPE ON THIS PROPERTY, WHICH IS AMONG THE MOST ECOLOGICALLY IMPORTANT TRACTS OF LAND IN GREATER MILWAUKEE. IN 2025, WORK CONTINUED ON THE WEST MEADOWS TRAIL ENHANCEMENT PROJECT. THE PROJECT HAS 3 GOALS: TO MOVE TRAILS OUT OF WETLANDS, DISTANCE TRAILS FROM THE NOISE OF LAKE DRIVE, AND TO OFFER BETTER VIEWS OF THE WEST MEADOWS.
    Expenses $731,915

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025June 30, 2026November 16, 2026Not due yet
2024June 30, 2025November 17, 2025990 on file
2023June 30, 2024November 15, 2024990 on file

IRS record

EIN
39-1231819
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1977
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C113)
Assets (IRS master file)
$8,812,398
Income (IRS master file)
$6,386,512

Filing history

FormYear endedRevenueExpensesAssetsReturn
990June 2025$4,631,339$4,097,909$8,812,398XML
990June 2024$3,978,225$3,728,876$7,972,766XML
990June 2023$3,362,958$3,386,847$7,514,258XML
990June 2022$4,160,441$3,171,358$7,101,387IRS
990June 2021–––IRS
990June 2020–––IRS
990June 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 39-1231819).

Questions about FRIENDS OF SCHLITZ-AUDUBON CENTER INC

What is the EIN of FRIENDS OF SCHLITZ-AUDUBON CENTER INC?
The employer identification number (EIN) of FRIENDS OF SCHLITZ-AUDUBON CENTER INC is 39-1231819.
Is FRIENDS OF SCHLITZ-AUDUBON CENTER INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1977.
Are donations to FRIENDS OF SCHLITZ-AUDUBON CENTER INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does FRIENDS OF SCHLITZ-AUDUBON CENTER INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of FRIENDS OF SCHLITZ-AUDUBON CENTER INC due?
The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did FRIENDS OF SCHLITZ-AUDUBON CENTER INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended June 2025.
Who is the principal officer of FRIENDS OF SCHLITZ-AUDUBON CENTER INC?
The 990 for the year ended June 30, 2025 names HELEN BOOMSMA.
Who are the officers and directors of FRIENDS OF SCHLITZ-AUDUBON CENTER INC?
The 990 for the year ended June 30, 2025 lists 17 people; 2 received compensation from the organization, the highest $151,202 (HELEN BOOMSMA, EXECUTIVE DIRECTOR).
How much revenue does FRIENDS OF SCHLITZ-AUDUBON CENTER INC have?
On its 990 for the year ended June 30, 2025 it reported revenue of $4,631,339, expenses of $4,097,909 and total assets of $8,812,398 at year end.

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