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Nonprofit · EIN 83-3008009

ARBORETUM DETROIT

Tax-exempt · DETROIT, MI 48211

Financials

$97K$115K2023$152K$81K2024$112K$125K2025
Revenue Expenses · by fiscal year end
Financials of ARBORETUM DETROIT by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$112,259$125,438-$13,179$104,216$6$104,210
December 31, 2024990-EZ$152,386$80,935$71,451$120,689$3,300$117,389
December 31, 2023990-EZ$96,589$115,117-$18,528$45,938$0$45,938
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$111,860
Program service revenue
$600
Investment income
$25
Net income from sales of inventory
-$226

Expenses

Benefits paid to members
$1,582
Compensation of officers, directors and key employees
$1,542
Professional fees and payments to contractors
$65,481
Occupancy
$950
Printing, publications and postage
$1,278
Other expenses
$56,147
Program services (functional)
$109,000

Balance sheet and other

Total assets, start of year
$120,689
Total assets, end of year
$104,216
Total liabilities, end of year
$6
Net assets, end of year
$104,210
Cash, savings and investments
$67,965
Land and buildings
$31,346
Gross receipts
$113,222

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 December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Kinga Osz-KempTreasurer15$919
Andrew KempExecutive Director20$623
Paul WeertzBoard Member1$0
Amos KennedyBoard Member0.4$0
Carolyn LeadleyVice President0.5$0
David McGuffieBoard Member1$0
Kat CameronSecretary0.4$0
Kyle SchantaBoard Member0.6$0
Sofia KempBoard Member0.4$0
Lori CataldoBoard Member0.4$0
990-EZ for the year ended December 31, 2024: 13 people
NameTitleHours / weekCompensation
Andrew KempExecutive Director20$9,640
Kinga Osz-KempAdministrator15$7,298
Paul WeertzVice President1$0
Amos KennedyBoard Member0.4$0
Carolyn LeadleyBoard Member0.5$0
David McGuffieBoard Member1$0
Dean SimionescuBoard Member0.4$0
Elizabeth UnderwoodBoard Member0.4$0
Emily BrentBoard Member0.5$0
Kat CameronBoard Member0.4$0
Kevin BinghamBoard Member0.4$0
Kyle SchantaBoard Member0.6$0
Sofia KempBoard Member0.4$0
990-EZ for the year ended December 31, 2023: 13 people
NameTitleHours / weekCompensation
Andrew KempExecutive Director20$22,740
Kinga Osz-KempAdministrator15$7,638
Paul WeertzVice President1$0
Amos KennedyBoard Member0.4$0
Carolyn LeadleyBoard Member0.5$0
David McGuffieBoard Member1$0
Dean SimionescuBoard Member0.4$0
Elizabeth UnderwoodBoard Member0.4$0
Emily BrentBoard Member0.5$0
Kat CameronBoard Member0.4$0
Kevin BinghamBoard Member0.4$0
Kyle SchantaBoard Member0.6$0
Sofia KempBoard Member0.4$0

Address and contacts

Address (IRS master file)
3327 FARNSWORTH ST, DETROIT, MI 48211-3023
In care of
% KINGA OSZ-KEMP
Mailing address (990-N for 2022)
3327 Farnsworth, Detroit MI 48211
Principal officer (990-N for 2022)
Andrew Kemp, 3327 Farnsworth, Detroit MI 48211
Signed the 990-EZ
KINGA OSZ-KEMP, SECRETARY/TREASURER
Phone
(313) 300-4663
Return prepared by
Harb and Associates PLLC

Mission

Arboretum Detroits mission is to establish and maintain a public arboretum that demonstrates reforesting Detroits landscape with stands of trees that highlight their form and diversity,

990-EZ for the year ended December 31, 2025

Program accomplishments

  • Establishing a public arboretum in the city of Detroit is an ongoing process as we purchase parcels from theDetroit Land Bank each year, adding to the winding park that is the Arboretum Detroit grounds
    Expenses $65,000 · grants $63,000
  • Maintaining the arboretum requires ongoing work. This year we kept parcels free of garbage, mowed andweeded. We watered trees and saplings and several native flower gardens throughout the season.
    Expenses $30,000 · grants $5,000
  • Our mission to educate and engage the community is fulfilled through educational programming, our Win Win Tree Program, educational signage, and Volunteer engagement opportunities
    Expenses $14,000 · grants $12,000

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 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-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

File the 2026 990-EZ for ARBORETUM DETROIT

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
83-3008009
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2019
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C41)
Assets (IRS master file)
$104,216
Income (IRS master file)
$113,222

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$112,259$125,438$104,216IRS
990-EZDecember 2024$152,386$80,935$120,689XML
990-EZDecember 2023$96,589$115,117$45,938XML
990-N for 2022
Officer: Andrew Kemp
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Andrew Kemp
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: Andrew Kemp
December 31, 2019≤ $50,000 receipts––e-Postcard

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 83-3008009).

Questions about ARBORETUM DETROIT

What is the EIN of ARBORETUM DETROIT?
The employer identification number (EIN) of ARBORETUM DETROIT is 83-3008009.
Is ARBORETUM DETROIT tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2019.
Are donations to ARBORETUM DETROIT tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ARBORETUM DETROIT 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 ARBORETUM DETROIT 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 ARBORETUM DETROIT last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who is the principal officer of ARBORETUM DETROIT?
The 990-N for 2022 names Andrew Kemp.
Who are the officers and directors of ARBORETUM DETROIT?
The 990-EZ for the year ended December 31, 2025 lists 10 people; 2 received compensation from the organization, the highest $919 (Kinga Osz-Kemp, Treasurer).
How much revenue does ARBORETUM DETROIT have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $112,259, expenses of $125,438 and total assets of $104,216 at year end.

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