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Massachusetts Corrections Officers Federated Union

EIN 22-3030391 · Milford, MA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration 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

MCOFU is the state recognized collective bargaining representative for all employees of the Commonwealth of Massachusetts Department of Corrections Unit 4.

Income
$2.9 million
Spending
$3.4 million
Employees
16
Volunteers
0
Highest pay
$167,711, business agent

Source: Form 990 for the year ending September 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 September 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 September 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)
  1. Statement of Program Service AccomplishmentsMCOFU acts as the collective bargaining representative for all employees of the Commonwealth of Massachusetts, Department of Corrections, Unit 4 and for certain EMT and correctional officer employees of the Counties of Bristol and Dukes, Massachusetts. The units combined represent over 3,900 members.MCOFU provides representation for grievance procedures and certain legal matters for all bargaining unit members.MCOFU provides an informational newsletter and sponsors a Vision and Dental Plan, wellness programs, and other events available to all members.

Source: Form 990 for the year ending September 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 October 13, 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 October 13, 2026.

  3. Are donations tax-deductible? Worth knowing.

    Not individually listed by the IRS as eligible. The master file records contributions to it as deductible.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

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

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

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

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

    Recognized by the IRS since May 1990.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 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 21, 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.