Skip to main content

Nonprofit · EIN 39-1571393

FRIENDS OF THE ARBORETUM

Tax-exempt · MADISON, WI 53711

Financials

$85K$89K2023$82K$75K2024
Revenue Expenses · by fiscal year end
Financials of FRIENDS OF THE ARBORETUM by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
June 30, 2025990-EZ$82,297$74,878$7,419$148,112$9,492$138,620
June 30, 2024990-EZ$84,911$88,987-$4,076$133,405$2,250$131,155
Financial details: 990-EZ for the year ended June 30, 2025

Revenue

Contributions, gifts and grants
$0
Program service revenue
$39,165
Investment income
$4,907
Net income from fundraising events
$38,225
Other revenue
$0

Expenses

Grants and similar amounts paid
$16,000
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$8,428
Professional fees and payments to contractors
$570
Printing, publications and postage
$8,160
Other expenses
$41,720
Program services (functional)
$42,310

Balance sheet and other

Total assets, start of year
$133,405
Total assets, end of year
$148,112
Total liabilities, end of year
$9,492
Net assets, end of year
$138,620
Cash, savings and investments
$144,587
Gross receipts
$138,972

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

NameTitleHours / weekCompensation
Kate VandenboschPresident5$0
Jennifer SerenoVice President1$0
Kim KindschiDirector1$0
Dave KellySecretary1$0
Jane AlbertDirector1$0
Tim NorrisDirector1$0
Nansi ColleyDirector1$0
Taylor DrogemullerDirector1$0
Judy CardinDirector1$0
Tiffany HighstromDirector1$0
Mark HoranDirector1$0
Don MinerTreasurer1$0
990-EZ for the year ended June 30, 2024: 15 people
NameTitleHours / weekCompensation
Kate MartinPresident5$0
Laurel SukupVice President3$0
Donald MinerTreasurer5$0
Anita BoorSecretary2$0
Paul KentDirector1$0
Vince AielloDirector1$0
Jane AlbertDirector2$0
Leslie LaddDirector1$0
Tim NorrisDirector2$0
Jennifer SerenoDirector1$0
Dave KellyDirector1$0
Kate VandenBoschDirector1$0
Nansi ColleyDirector1$0
Taylor DrogemullerDirector1$0
Maggie HonigDirector1$0

Address and contacts

Address (IRS master file)
1207 SEMINOLE HWY, MADISON, WI 53711-3726
Signed the 990-EZ
Donna Halleran, Business Manager
Phone
(608) 890-2555

Mission

The Friends of the Arboretum, Inc. hopes to enhance the Arboretum's capability to accomplish its research, education and outreach by: providing volunteer and financial support to the Arboretum, assisting with the Arboretum's varied educational and outreach activities, helping the Arboretum sustain its sense of history and tradition, offering benefits to its members, and inspiring people to become involved with the Arboretum.

990-EZ for the year ended June 30, 2025

Program accomplishments

  • Publish a newsletter to provide information on the arboretum and studies being made by UW-Madison
    Expenses $8,750
  • Luncheon lectures were held on a regular basis to provide education to attendees on environmental and educational topics.
    Expenses $31,305
  • Provide education tours of areas of environmental and ecological interest
    Expenses $1,715
  • newsleaf publication
    Expenses $540

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-EZ on file
2023June 30, 2024November 15, 2024990-EZ on file

IRS record

EIN
39-1571393
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
1989
Accounting year ends
June
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C114)
Assets (IRS master file)
$148,112
Income (IRS master file)
$138,972

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZJune 2025$82,297$74,878$148,112XML
990-EZJune 2024$84,911$88,987$133,405XML
990-EZJune 2023–––IRS
990-EZJune 2022–––IRS
990June 2019–––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 39-1571393).

Questions about FRIENDS OF THE ARBORETUM

What is the EIN of FRIENDS OF THE ARBORETUM?
The employer identification number (EIN) of FRIENDS OF THE ARBORETUM is 39-1571393.
Is FRIENDS OF THE ARBORETUM tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1989.
Are donations to FRIENDS OF THE ARBORETUM tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does FRIENDS OF THE ARBORETUM 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 THE ARBORETUM 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 THE ARBORETUM last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended June 2025.
Who are the officers and directors of FRIENDS OF THE ARBORETUM?
The 990-EZ for the year ended June 30, 2025 lists 12 people; 0 received compensation from the organization.
How much revenue does FRIENDS OF THE ARBORETUM have?
On its 990-EZ for the year ended June 30, 2025 it reported revenue of $82,297, expenses of $74,878 and total assets of $148,112 at year end.

Other nonprofits in MADISON

All nonprofits in MADISON · Wisconsin · Environment