Workplace Safety Help, Training, and Advocacy in Massachusetts
MassCOSH helps workers, unions, and communities across Massachusetts access workplace safety training, report hazards, and improve working conditions.
Trusted by workers across Massachusetts
Union-supported training programs
Free & accessible resources
How we help
How MassCOSH helps workers stay safe
A straightforward path: reach out, get support, and build safer conditions—training, advocacy, and technical help for workers across Massachusetts.
News & events
Updates from MassCOSH
Current events and publications from MassCOSH.
Honoring Domestic Workers: Training and Resource Fair
The City of Boston’s Office of Labor Compliance and Worker Protections is partnering with the Mayor’s Office for Immigrant Advancement, the Mayor’s Office of Women's Advancement, MassCOSH Immigrant Worker Center, Brazilian Worker Center, and the Chinese Progressive Association to celebrate the many contributions of Domestic Workers to the Massachusetts economy and the anniversary of the enactment of the Massachusetts Domestic Workers Bill of Rights.
Health, Safety, and the Red Sox at Tango Night
Support the next generation of worker leaders through MassCOSH’s Teens Lead At Work Leadership Without Borders youth program with an exciting chance to WIN an unforgettable Red Sox experience! ❤️⚾
Construction Worker Dies from Fall at Salem Worksite
According to media reports, the 34-year-old construction worker was working on the rooftop of a five-story building in Salem on Friday, August 8, around 12:11pm, when he tragically fell to his death.
Dying for Work Report 2025: Dangerous Jobs Killed 69 Workers in Massachusetts Last Year
Much like the rest of the country, with the gutting of federal programs critical to occupational safety and health, Massachusetts faces a perilous road ahead for workers.
Help us make a difference
Your support fuels training, advocacy, and organizing so workers can come home safe.
Programs
Training, outreach & worker support
Core services—education, technical assistance, and community programs—with links to full program pages in the CMS.
By the numbers
Our impact in Massachusetts
Training, workplace support, and years of organizing with worker.
10,000+
500+
50 Years
Impact
Workers & communities in their own words
Short quotes from workers and allies—real outcomes from training, organizing, and workplace support across Massachusetts.
COVID Memorial Day, March 2023
Jennifer Ritz Sullivan and MassCOSH testifying at MA State House advocating for declaring the first Monday in March as National Covid Memorial Day.
Annual Event 2018 Collage highlighting the MassCOSH fallen worker quilt, made by the mother of one of our fallen workers, the first quilt she ever made.
As a result of Robert Higgins and Kelvin Mattocks, employees of Atlantic Drain Service Co., killed on Oct. 21, 2016, when the trench in which they were working collapsed and filled with water, we were able to secure an executive order in Boston preventing contractors from obtaining permits if they have outstanding OSHA violations.
Trainings & events
Upcoming events & trainings
Workshops, community sessions, and registration-ready listings—Massachusetts dates and locations pulled from the Events collection.
FAQ
Frequently Asked Questions About Workplace Safety in Massachusetts
I think there are safety hazards or risks at my workplace. How do I report an unsafe workplace in Massachusetts?
If you believe your workplace is unsafe, you have the right to speak up.
Private Sector Workers
If you work for a private company, you can file a confidential complaint with OSHA.
OSHA Complaint Form: https://www.osha.gov/workers/file-complaint
1-800-321-OSHA (6742)
Public Sector Workers
If you work for a city, town, school district, county, or state agency, workplace safety complaints are handled by the Massachusetts Department of Labor Standards (DLS).
Massachusetts DLS Workplace Safety: https://www.mass.gov/orgs/department-of-labor-standards
Need Help?
MassCOSH can help you understand the process and prepare your complaint.
617-825-SAFE (7233)
Can I report a workplace hazard anonymously?
Yes, in many cases.
Both OSHA and DLS typically ask for contact information so they can follow up, but your identity can often be kept confidential from your employer.
If you are worried about retaliation or fear speaking up, MassCOSH can help you explore your safest options.
I feel like I am being treated unfairly at work. Who can help me?
You may have rights if your employer is:
- Not paying all wages earned
- Denying overtime pay
- Making illegal paycheck deductions
- Misclassifying you as a contractor
- Discriminating based on race, gender, pregnancy, religion, disability, or national origin
- Threatening you because of immigration status
- Retaliating after complaints
Where to Get Help
Massachusetts Attorney General Fair Labor Division
https://www.mass.gov/orgs/the-attorney-generals-fair-labor-division
Massachusetts Commission Against Discrimination (MCAD)
https://www.mass.gov/orgs/massachusetts-commission-against-discrimination
MassCOSH can also help guide you to the right resources.
What does MassCOSH do?
MassCOSH is a nonprofit worker justice organization that fights for safe, healthy, and dignified jobs across Massachusetts.
We do this through:
- Worker support and case navigation
- Safety training and education
- Youth leadership programs
- Immigrant worker organizing
- Coalition building
- Public policy advocacy
- Community mobilization
- Supporting injured workers and families
Is MassCOSH workplace safety training free?
Many MassCOSH trainings for workers are free.
We also offer affordable customized training for:
- Unions
- Community groups
- Schools
- Nonprofits
- Employers committed to safety
Training topics include OSHA rights, hazard prevention, heat safety, youth worker rights, leadership, and more.
Who can get help from MassCOSH?
We serve workers across Massachusetts, including:
- Union workers
- Non-union workers
- Immigrant workers
- Youth workers
- Injured workers
- Families of fallen workers
- Community members
- Schools and educators
Everyone deserves dignity at work.
