Charity Search / CENTER FOR BIOLOGICAL DIVERSITY INC
Animal-Related (D20) IRS Verified DX Registered 990 on File

CENTER FOR BIOLOGICAL DIVERSITY INC

EIN: 27-3943866 · TUCSON, AZ 85701-8222 · United States · FY 2024 Data
3 out of 5 59 / 100 Based on 2+ years of filings
Financial strength (30%) 89/100
Reliability (20%) 65/100
Effectiveness (25%) 100/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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Mission Statement

OUR MISSION: SAVING LIFE ON EARTH At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature — to the existence in our world of a vast diversity of wild animals and plants. Because diversity has intrinsic value, and because its loss impoverishes society, we work to secure a future for all species, great and small, hovering on the brink of extinction. We do so through science, law and creative media, with a focus on protecting the lands, waters and climate that species need to survive. We want those who come after us to inherit a world where the wild is still alive.

Financial Overview — FY 2024
$45.7M
Total Revenue
$34.6M
Total Expenses
$54.9M
Net Assets
242
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 88.3%
Fundraising Efficiency N/A
Operating Reserve 19.03x
Liability-to-Asset 7.2%
Revenue Diversification 82.4%
Executive Compensation $1.7M
Compared with Peers
FY 2024
Compared with 157 similar organizations (United States, Animal-Related, $10M–$100M 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
88.3% 82.1%
P10P90
Top quarter
Admin expense ratio
Management and general / total expenses · lower is better
3.3% 9.4%
P10P90
Top quarter
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
8.4% 6.1%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
19.0 mo 23.7 mo
P10P90
Below median
Liabilities to assets
Total liabilities / total assets · lower is better
7.2% 9.2%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
82.4% 71.2%
P10P90
Below median
Revenue growth
Year over year revenue growth
32.6% 8.4%
P10P90
Expense growth
Year over year expense growth
8.9% 8.4%
P10P90
Surplus margin
Surplus as a share of revenue
24.3% 5.2%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $45.7M $34.6M $54.9M 88.3% 242
2023 $34.5M $31.8M $42.6M 90.2% 234
2022 $27.6M $27.0M $38.6M 90.0% 230
2021 $36.7M $25.0M N/A 239
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Organization Details
EIN
27-3943866
State
AZ
City
TUCSON
ZIP
85701-8222
Classification
D20
Category
Animal-Related
Rating
3★
Coverage
A
Last Updated
Aug 2026
IRS Ruling Year
1989
Foundation Code
15
Form 990
On File
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