Charity Search / MAY ARBORETUM SOCIETY
Environment (C11) IRS Verified DX Registered 990 on File

MAY ARBORETUM SOCIETY

EIN: 88-0205838 · RENO, NV 89513-6225 · United States · FY 2024 Data
3 out of 5 41 / 100 Based on 2+ years of filings
Financial strength (30%) 63/100
Reliability (20%) 55/100
Effectiveness (25%) 45/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
Claim this Charity
CharityAI™ Score
Not yet evaluated
Mission Statement

To advocate for and invest in the advancement of the Wilbur D. May Arboretum and Botanical Garden.

Financial Overview — FY 2024
$361K
Total Revenue
$489K
Total Expenses
$6.1M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 45.1%
Fundraising Efficiency N/A
Operating Reserve 149.71x
Liability-to-Asset 0.3%
Revenue Diversification 59.6%
Compared with Peers
FY 2024
Compared with 2,847 similar organizations (United States, Environment, $100K–$1M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
45.1% 82.4%
P10P90
Bottom quarter
Operating reserve
Months of expenses covered by net assets · higher is better
149.7 mo 13.6 mo
P10P90
Top quarter
Liabilities to assets
Total liabilities / total assets · lower is better
0.3% 1.0%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
59.6% 91.6%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
236.1% 10.6%
P10P90
Expense growth
Year over year expense growth
38.0% 11.2%
P10P90
Surplus margin
Surplus as a share of revenue
-35.4% 6.0%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $361K $489K $6.1M 45.1% —
2023 $107K $354K $6.2M 48.0% —
2022 $111K $310K $6.4M 57.7% —
Donor Reviews
Write a Review
No reviews yet

Be the first to share your experience with this organization.


Write a Review
Minimum 20 characters
Reviews appear after moderation (usually within 24 hours)
Organization Details
EIN
88-0205838
State
NV
City
RENO
ZIP
89513-6225
Classification
C11
Category
Environment
Rating
3★
Coverage
A
Last Updated
Aug 2026
Foundation Code
2
Form 990
On File
Is this your organization?

Claim it to manage this profile, add your board, financials and impact metrics, and lift your CharityAI™ rating.

Claim this Charity
Back to Search New Search