Mission
TO FOSTER A GREATER APPRECIATION OF TREES BY PROMOTING RESEARCH AND EDUCATION TO ADVANCE THE PROFESSIONAL PRACTICE OF ARBORICULTURE.
Public Charity
WESTERN CHAPTER OF THE INTERNATIONAL SOCIETY OF ARBORICULTURE
WESTERN CHAPTER OF THE INTERNATIONAL SOCIETY OF ARBORICULTURE, of PORTERVILLE, CA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $1.4M in revenue, $1.5M in expenses, $1.3M in total assets. IRS filings disclose 2 grants awarded by this foundation, totaling roughly $3K.
EIN: 330368951
PORTERVILLE, CA
Latest filing: 2025
Total Revenue$1.4M
Total Expenses$1.5M
Total Assets$1.3M
Grants Given2
Grant Total$3K
Filing Years2021–2025
Sample Grants Given
THE TREE FUND
PROGRAM ASSISTANCE
$3,200
Showing up to 5 of 2 total records — full history available with membership.
Officers & Directors
VICE PRESIDENT
Alison Lancaster
DIRECTOR
Brandon Elrod
DIRECTOR
Gordon Matassa
TREASUER
Jeff Spohn
DIRECTOR
John Crandall
SECRETARY
Jonathan Flournoy
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $1.4M | $1.5M | $1.3M |
| 2024 | $1.5M | $1.5M | $1.1M |
| 2023 | $1.5M | $1.4M | $1.0M |
| 2022 | $1.3M | $1.2M | $836K |
| 2021 | $1.0M | $916K | $821K |
Between 2021 and 2025, reported annual revenue grew from $1.0M to $1.4M (+42%), with total assets most recently reported at $1.3M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA, IL.
CAIL
Full geographic grant map with state-by-state breakdown available with membership.