Massachusetts Sex Discrimination Laws: Your Rights
Quick Answer: Chapter 151B prohibits sex discrimination at employers with 6+ employees—broader than federal Title VII (15+). Massachusetts also has strong equal pay laws (Massachusetts Equal Pay Act) prohibiting pay discrimination. File with MCAD within 300 days.
Massachusetts provides comprehensive sex discrimination protections.
Massachusetts Sex Protections
Chapter 151B
Protects against:
- Sex/gender discrimination
- Gender stereotyping
- Pregnancy (also MPWFA)
- Sexual harassment
Applies to:
- 6+ employee employers
- All employment decisions
Equal Pay Act
Massachusetts EPA:
- Equal pay for comparable work
- Broadly defined comparisons
- No salary history inquiries
- Strong enforcement
Federal Title VII
Also provides:
- 15+ employees
- EEOC enforcement
- Works with state law
What’s Prohibited
Hiring
Cannot:
- Refuse hire based on sex
- Ask about family plans
- Use gender stereotypes
- Discriminate in recruitment
Pay Discrimination
Massachusetts EPA prohibits:
- Pay differences for comparable work
- Asking salary history
- Prohibiting pay discussions
- Retaliation for discussing pay
Workplace Treatment
Cannot:
- Fire based on sex
- Deny promotions
- Assign based on gender
- Provide unequal benefits
Harassment
Prohibited:
- Sexual harassment
- Gender-based harassment
- Hostile environment
- Quid pro quo demands
Massachusetts Equal Pay Act
Key Provisions
Requires:
- Equal pay for comparable work
- “Comparable” broadly defined
- Legitimate factors may justify differences
Salary History Ban
Employers cannot:
- Ask about prior salary
- Require salary history
- Use history to set pay
Pay Transparency
Employees can:
- Discuss wages freely
- Request pay information
- Compare with colleagues
Filing Complaints
MCAD (State)
Massachusetts Commission Against Discrimination:
- Phone: 617-994-6000
- Deadline: 300 days
- Strong enforcement
EEOC (Federal)
Also available:
- Phone: 617-565-3200
- Workshares with MCAD
Attorney General
Equal pay violations:
- Phone: 617-727-3465
- Fair Labor Division
Common Scenarios
Scenario 1: Pay Gap
Situation: Male colleague paid more for same work.
Analysis: Equal Pay Act violation. File complaint.
Scenario 2: Promotion Denied
Situation: Passed over, less qualified man promoted.
Analysis: Possible sex discrimination. Document and file.
Scenario 3: Salary History Asked
Situation: Interviewer asked about prior salary.
Analysis: Illegal under Massachusetts EPA. Report.
Scenario 4: Mom Track
Situation: Treated differently after having children.
Analysis: Gender stereotyping illegal. File MCAD.
Proving Sex Discrimination
Evidence Types
Document:
- Pay comparisons
- Treatment differences
- Discriminatory comments
- Pattern evidence
Comparators
Show:
- Different treatment
- Similar qualifications
- No legitimate reason
Remedies Available
MCAD Relief
May obtain:
- Back pay
- Pay adjustment
- Compensatory damages
- Emotional distress
- Attorney’s fees
Equal Pay Remedies
Available:
- Unpaid wages
- Liquidated damages
- Attorney’s fees
Frequently Asked Questions
Does Massachusetts have equal pay laws?
Yes. Strong Equal Pay Act with salary history ban.
Can employer ask my salary history?
No. Illegal in Massachusetts.
What’s the filing deadline?
300 days with MCAD.
What employers are covered?
6+ employees under Chapter 151B.
Related Topics
- Massachusetts Workplace Discrimination
- Massachusetts Sexual Harassment
- Massachusetts Pregnancy Discrimination
- Massachusetts Employment Law Hub
Take Action
If facing sex discrimination:
- Document pay and treatment
- Compare with colleagues
- Note 300-day deadline
- File MCAD complaint
- Consult attorney
Legal Disclaimer
This article provides general information about sex discrimination in Massachusetts and is not legal advice. For specific advice, consult a licensed Massachusetts employment attorney.
For official information:
- MCAD: https://www.mass.gov/orgs/mcad | 617-994-6000
- AG Fair Labor: https://www.mass.gov/ago | 617-727-3465
