Arboretum Detroit
Nonprofit profile at a glance
- EIN
- 833008009
- IRS 990-EZ coverage
- 2023–2025
- Forms available
- Form 990-EZ 2025, Form 990-N 2022
- Location
- Detroit, MI, USA
- Phone
- 3133004663
- Rating
- 93
- Verdict
- STRONG
- Rating confidence
- Moderate
- Sector
- Botanical Gardens, Arboreta and Botanical Organizations
Reported finances
- Revenue
- $112,259
- Expenses
- $125,438
- Assets
- $104,216
- Liabilities
- $6
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.
Leadership & pay
10 people listed
Executive titles in this filing
- Andrew Kemp (Executive Director)
- Carolyn Leadley (Vice President)
People named in this filing
- Andrew Kemp (Executive Director)
- Kinga Osz-Kemp (Treasurer)
- Paul Weertz (Board Member)
Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.
Overview
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,
What it reported doing in 2025
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
Operating model
- Revenue model
- Donor-supported. 99% of the money available for current operations came from contributions and gifts.
- Distribution model
- Direct operator. The filing allocates 99% of reported program-service expenses outside its grant, affiliate-payment, and member-benefit lines. This expense classification does not rule out separately announced grant awards.
The verdict
STRONG - A large share of available resources goes toward mission work and the filed numbers largely add up. Expenses are high relative to revenue and total assets are small relative to annual expenses; liquid coverage is unknown.
Rating breakdown
- Financial Efficiency: 93
- Transparency & Controls: 100
- Sustainability: 30
- Growth: 100
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 97.1%; rating input score 97
- Program expense ratio: 86.9%; rating input score 87
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 52nd percentile among comparable filings
- Major donor itemization: Yes; rating input score 100
Sustainability
- Operating margin: -11.7%; rating input score 12; 12th percentile among comparable filings
- Total-asset coverage ratio: 0.83; rating input score 53; 53rd percentile among comparable filings
- Liabilities to assets ratio: 0; rating input score 48; 48th percentile among comparable filings
- Officer compensation ratio: 1.2%; rating input score 26; 26th percentile among comparable filings
Growth
- Program expense growth: 3.4% per year; rating input score 100; 39th percentile among comparable filings
- Revenue growth: 6.5% per year; rating input score 100; 51st percentile among comparable filings
- Asset growth: 32.3% per year; rating input score 100; 87th percentile among comparable filings
Details
- Where the money goes: 97.1% of revenue deployed · 86.9% of spending went to programs
- Governance: Filed governance answers
- Accomplishments: 3 filed program accomplishments · $109K in reported program spending
- Leadership: top reported pay $0 · 10 people listed
- Consistency: 8 of 8 current checks pass
- Schedules: 3 filed schedules
- Filing history: 3 filing years from 2023 to 2025
- Contacts: How to reach this organization
- Money network: 2 filed money-flow records
- Related organizations: Filed and resolved organization relationships.
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- High — Sustainability: Operating margin scored 12/100.
- Review — Sustainability: Total-asset coverage ratio scored 53/100.
- High — Sustainability: Officer compensation ratio scored 26/100.
- Moderate — Sustainability: Liabilities to assets ratio scored 48/100.