International Union of Operating Engineers Local 624
Public records raise at least one point you should look into before giving.
What it says it does
THE ORGANIZATION IS A TRADE UNION THAT REPRESENTS OPERATING ENGINEERS, WHO WORK AS HEAVY EQUIPMENT OPERATORS, MECHANICS,AND SURVEYORS IN THE CONSTRUCTION INDUSTRY, AND STATIONARY ENGINEERS, WHO WORK IN OPERATIONS AND MAINTENANCE IN BUILDING AND INDUSTRIAL COMPLEXES AND IN THE SERVICE INDUSTRIES. IUOE IS A TRADE UNION THAT IS DEDICATED TO THE COMMON INTEREST OF ITS MEMBERS BY ENSURING PROTECTIONS OF PREVAILING WAGES ON PUBLIC PROJECTS AND ALLEVIATING HEALTHCARE COSTS THROUGH COALITION BUILDING.
- Income
- $1.3 million
- Spending
- $1.2 million
- Employees
- 4
- Highest pay
- $173,888, president/bu
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 (1)
- THE ORGANIZATION IS A TRADE UNION THAT REPRESENTS OPERATING ENGINEERS, WHO WORK AS HEAVY EQUIPMENT OPERATORS, MECHANICS,AND SURVEYORS IN THE CONSTRUCTION INDUSTRY, AND STATIONARY ENGINEERS, WHO WORK IN OPERATIONS AND MAINTENANCE IN BUILDING AND INDUSTRIAL COMPLEXES AND IN THE SERVICE INDUSTRIES. IUOE IS A TRADE UNION THAT IS DEDICATED TO THE COMMON INTEREST OF ITS MEMBERS BY ENSURING PROTECTIONS OF PREVAILING WAGES ON PUBLIC PROJECTS AND ALLEVIATING HEALTHCARE COSTS THROUGH COALITION BUILDING.
Source: Form 990 for the year ending June 30, 2025, filed with the Internal Revenue Service. How we rate
Legitimacy checks
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 October 13, 2026.
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 October 13, 2026.
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 October 13, 2026.
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 October 13, 2026.
How long has it been tax-exempt? Passed.
Recognized by the IRS since September 1941.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.
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 21, 2026.
Could it be confused with another charity? Worth knowing.
A much larger organization has a similar name: International Union of Operating Engineers Local 3 (Concord, CA), EIN 94-0577785. If that is the one you meant, check the EIN before giving.
Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 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.