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Western Chapter International Society of Arboriculture

EIN 33-0368951 · Porterville, CA

Public records raise at least one point you should look into before giving.

LegitimacyCautionRegistration and standingFinancial healthNot ratedToo small or too little detailGovernanceNot ratedToo small or too little detailImpact evidenceDescribes programsHow well its results are evidenced

What it says it does

TO FOSTER A GREATER APPRECIATION OF TREES BY PROMOTING RESEARCH AND EDUCATION TO ADVANCE THE PROFESSIONAL PRACTICE OF ARBORICULTURE.

Income
$1.4 million
Spending
$1.5 million
Employees
0
Volunteers
12

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. How we rate

Financial health

We do not score finances when yearly spending is very small or the return has too little detail. The ratios stop meaning much at that size.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. How we rate

Governance

This return does not answer enough of the governance questions to score.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (3)
  1. WESTERN CHAPTER ISA ORGANIZES AN ANNUAL CONFERENCE AND TRADESHOW AND REGIONAL MEETINGS AND EVENTS FOR THE BENEFIT OF ITS MEMBERS. VARIOUS MEETINGS, PRESENTATIONS WITH SPEAKERS, AND TOPICAL WORKSHOPS ARE HELD THROUGHOUT THE EVENT TO PROMOTE TREE CARE, TECHNOLOGY, EDUCATION, AND CURRENT EVENTS WITHIN THE INDUSTRY.
  2. WESTERN CHAPTER ISA IS A MEMBERSHIP ORGANIZATION FOR THOSE DIRECTLY INVOLVED IN THE FIELD OF ARBORICULTURE AND/OR OTHER CLOSELY RELATED FIELDS OR OTHERWISE INTERESTED IN THE FILED OF ARBORICULTURE.
  3. WESTERN CHAPTER ISA OFFERS ITS CERTIFICATION TO ARBORISTS AND TREE WORKERS VIA ADMINISTRATION OF AN EXAMINATION.

Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(5) labor or agricultural organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated September 30, 2026.

  3. Are donations tax-deductible? Caution.

    The IRS master file records contributions to this 501(c)(5) labor or agricultural organization as not deductible.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending June 2025.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since February 1990.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated September 7, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 7, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.