Mission
TO CULTIVATE ITS NATURAL, HORTICULTURAL, AND HISTORIC RESOURCES FOR LEARNING, ENJOYMENT AND INSPIRATION. THE LOS ANGELES ARBORETUM FOUNDATION SECURES PHILANTHROPIC GIFTS IN SUPPORT OF THIS MISSION.
Public Charity
LOS ANGELES ARBORETUM FOUNDATION INC
LOS ANGELES ARBORETUM FOUNDATION INC is a Public Charity headquartered in ARCADIA, CA. Financial data from the 2025 filing: $5.8M revenue, $5.5M expenses, $7.3M total assets. 54 publicly reported grants to this organization, totaling roughly $2.4M, appear in IRS filings.
EIN: 951582650
ARCADIA, CA
Botanical Gardens & Arboreta
NTEE: C41
Latest filing: 2025
Total Revenue$5.8M
Total Expenses$5.5M
Total Assets$7.3M
Grant Records54
Funding Total$2.4M
Filing Years2021–2025
Where $100 goes at Los Angeles Arboretum Foundation Inc
How Los Angeles Arboretum Foundation Inc divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.
$82
Programs
the work itself
$12
Management
running the organization
$6
Fundraising
raising the next dollar
Inside the $82 for programs
$64
Home to one of the world's finest collections of mediterranean and subtropical plants, the 127-acre los angeles county arboretum & botanic garden serves as an important repository for…
$18
In addition to its extensive visitor tour program, the los angeles county arboretum & botanic garden offers activities and events that cater to every audience, serving over 500,000…
Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.
Sample Grants Received
GENERAL SUPPORT
$5,225
UNRESTRICTED GENERAL SUPPORT
$190,000
ENVIRONMENT
$100,000
GENERAL SUPPORT
$66,205
GENERAL SUPPORT
$66,205
Showing up to 5 of 54 total records — full history available with membership.
Officers & Directors
TRUSTEE
Akiko Koh
PRESIDENT
Annette Castro Ramirez
TRUSTEE
Debbie Anderson
SECRETARY
Dongmei Huang
TRUSTEE
Erica Hahn
TRUSTEE
Harlan Irvine
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $5.8M | $5.5M | $7.3M |
| 2024 | $5.9M | $10.6M | $7.2M |
| 2023 | $8.5M | $3.3M | $24.9M |
| 2022 | $7.2M | $2.8M | $19.6M |
| 2021 | $7.0M | $2.8M | $16.5M |
Between 2021 and 2025, reported annual revenue declined from $7.0M to $5.8M (-18%), with total assets most recently reported at $7.3M.
Interactive year-over-year charts and full filing details available with membership.