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Massachusetts Employment Law

Massachusetts Chapter 151B covers employers with 6+ employees. Includes paid family/medical leave, strong equal pay protections, and broad anti-discrimination coverage.

At-Will

Yes

Right-to-Work

No

EEOC Deferral

300 days

Min. Wage

$15.00

Massachusetts State Laws (12)

Chapter 151B

Mass. Gen. Laws ch. 151B, §§ 1-10

300 days
6+ employees

Massachusetts Chapter 151B is the state's primary anti-discrimination statute, prohibiting employment discrimination based on race, color, religious creed, national origin, sex, gender identity, sexual orientation, genetic information, ancestry, age (40+), disability, military service, criminal record (with limitations), pregnancy, and reproductive health decisions. The Act covers employers with six or more employees and complaints must be filed within 300 days with the Massachusetts Commission Against Discrimination (MCAD). Massachusetts has been a leader in expanding employment protections, including early adoption of sexual orientation and gender identity protections.

Protected Classes

racecolorreligious creednational originsexgender identitysexual orientationgenetic informationancestryage (40+)disabilitymilitary servicecriminal record (with limitations)pregnancyreproductive health decisions

Key Provisions

  • Prohibits discrimination on an extensive list of protected characteristics in all employment decisions
  • Includes protections for criminal record (with limitations) - employers cannot ask about criminal history on initial applications
  • Massachusetts Commission Against Discrimination investigates complaints and conducts public hearings
  • Employees may remove their case to state Superior Court after MCAD proceedings
  • Prohibits retaliation against employees who assert their rights or participate in proceedings

Remedies

Back payFront payCompensatory damages (emotional distress)Punitive damages (up to $300,000 or treble damages in certain cases)Attorney fees and costsInjunctive reliefReinstatement
File with: Massachusetts Commission Against Discrimination (MCAD)300 days from the discriminatory act

MA PFML

Mass. Gen. Laws ch. 175M

days
1+ employees

The Massachusetts Paid Family and Medical Leave (PFML) law provides eligible workers with up to 20 weeks of paid medical leave and up to 12 weeks of paid family leave per benefit year, funded through payroll contributions. The program covers nearly all Massachusetts workers, including self-employed individuals who opt in. It provides job protection for employees who take leave and prohibits retaliation for using PFML benefits.

Key Provisions

  • Provides paid leave for serious health condition, bonding with a new child, family member care, or qualifying military exigency
  • Funded through shared employer and employee payroll contributions
  • Job protection guaranteed for employees who take PFML leave
  • Prohibits retaliation against employees who apply for, use, or inquire about PFML benefits
  • Covers employers of all sizes, including those with 1 or more employees

Remedies

Reinstatement to same or equivalent positionBack pay and lost benefitsTreble damages for retaliationAttorney fees and costsCivil penalties
File with: Massachusetts Department of Family and Medical LeaveClaims filed with the Department of Family and Medical Leave

MA Equal Pay Act

Mass. Gen. Laws ch. 149, § 105A

1095 days
1+ employees

The Massachusetts Equal Pay Act, significantly strengthened in 2018, prohibits gender-based wage discrimination and requires equal pay for comparable work. The Act goes beyond the federal Equal Pay Act by using a "comparable work" standard rather than "substantially equal work," making it easier for employees to establish claims. It also prohibits employers from asking about salary history prior to making a job offer and provides a safe harbor for employers who conduct good-faith self-evaluations of pay practices.

Protected Classes

sexgender identity

Key Provisions

  • Requires equal pay for "comparable work" based on skill, effort, responsibility, and working conditions
  • Prohibits employers from asking about salary history before extending an offer
  • Provides a safe harbor for employers who complete good-faith self-evaluations of pay practices within the prior 3 years
  • Prohibits retaliation against employees who discuss wages or file claims
  • Applies to all employers regardless of the number of employees

Remedies

Back pay (unpaid wages)Liquidated damages equal to the amount of back payTreble damages in some casesAttorney fees and costsInjunctive relief
File with: State court (private right of action) or Massachusetts Attorney General3 years from the date of the discriminatory pay practice

MA Ban-the-Box CORI Reform

M.G.L. c. 151B, § 4(9); M.G.L. c. 6, §§ 167-178B

300 days
6+ employees

Prohibits employers from asking about criminal history on initial application; sets limits on which CORI records can be considered and requires fair-chance procedures.

Key Provisions

  • Prohibits employers from asking about criminal history on initial application; sets limits on which CORI records can be considered and requires fair-chance procedures.

Remedies

back paycompensatory damagesattorney fees

MA Domestic Violence Leave

M.G.L. c. 149, § 52E

1095 days
50+ employees

Employers with 50+ employees must provide up to 15 days unpaid leave per year for victims of abusive behavior to address legal, medical, counseling, or housing needs.

Key Provisions

  • Employers with 50+ employees must provide up to 15 days unpaid leave per year for victims of abusive behavior to address legal, medical, counseling, or housing needs.

Remedies

reinstatementback payattorney feescivil penalty

MA Earned Sick Time

M.G.L. c. 149, § 148C

1095 days
1+ employees

Employees accrue 1 hour paid sick time per 30 hours worked, up to 40 hours/year (paid at employers with 11+ employees; unpaid at smaller employers). Usable for own/family illness, preventive care, or domestic violence.

Protected Classes

serious_health_conditionfamily_medical_leave

Key Provisions

  • Employees accrue 1 hour paid sick time per 30 hours worked, up to 40 hours/year (paid at employers with 11+ employees; unpaid at smaller employers). Usable for own/family illness, preventive care, or domestic violence.

Remedies

back paytreble damagesattorney fees

MA Healthcare Worker Whistleblower

M.G.L. c. 149, § 187

730 days
1+ employees

Protects healthcare workers from retaliation for reporting unsafe patient care, illegal activity, or refusing to participate in such activity.

Protected Classes

fraud_reportingworkplace_safety

Key Provisions

  • Protects healthcare workers from retaliation for reporting unsafe patient care, illegal activity, or refusing to participate in such activity.

Remedies

reinstatementback paytreble damagesattorney fees
File with: Private right of action2 years

MA Noncompetition Agreement

M.G.L. c. 149, § 24L

days
1+ employees

Restricts post-employment non-competes: max 12 months, requires garden-leave pay (50% of highest base salary) or "other mutually-agreed consideration", written notice, and right to counsel. Excludes hourly employees, students, and employees terminated without cause.

Key Provisions

  • Restricts post-employment non-competes: max 12 months, requires garden-leave pay (50% of highest base salary) or "other mutually-agreed consideration", written notice, and right to counsel. Excludes hourly employees, students, and employees terminated without cause.

Remedies

declaratory reliefvoid agreement
File with: Court (private right of action)Contract-based

MA Personnel Records

M.G.L. c. 149, § 52C

days
20+ employees

Employees have right to review/copy personnel records; employer must notify employee within 10 days of any negative record addition; retaliation prohibited.

Key Provisions

  • Employees have right to review/copy personnel records; employer must notify employee within 10 days of any negative record addition; retaliation prohibited.

Remedies

civil penalty $500-$2500
File with: Massachusetts Attorney GeneralAdministrative

MA Pregnant Workers Fairness

M.G.L. c. 151B, § 4(1E)

300 days
6+ employees

Adds explicit accommodation duty for pregnancy/lactation under Ch. 151B; employers cannot require leave if another reasonable accommodation is available.

Protected Classes

pregnancychildbirthrelated_medical_conditions

Key Provisions

  • Adds explicit accommodation duty for pregnancy/lactation under Ch. 151B; employers cannot require leave if another reasonable accommodation is available.

Remedies

back paycompensatory damagespunitive damagesattorney fees

MA Public Employee Whistleblower

M.G.L. c. 149, § 185

730 days
1+ employees

Protects public employees from retaliation for disclosing or threatening to disclose violations of law, mismanagement, gross waste, or abuse of authority.

Protected Classes

fraud_reporting

Key Provisions

  • Protects public employees from retaliation for disclosing or threatening to disclose violations of law, mismanagement, gross waste, or abuse of authority.

Remedies

reinstatementback payfringe benefitsattorney feescivil fine

MA Wage

M.G.L. c. 149, §§ 148, 150

1095 days
1+ employees

Requires timely payment of wages; final paycheck on day of termination if discharged; provides mandatory treble damages plus attorney fees for any violation. One of the strongest wage statutes in the U.S.

Protected Classes

minimum_wageovertimemisclassification

Key Provisions

  • Requires timely payment of wages; final paycheck on day of termination if discharged; provides mandatory treble damages plus attorney fees for any violation. One of the strongest wage statutes in the U.S.

Remedies

mandatory treble damagesattorney feescosts

Local Ordinances in Massachusetts (2)

Boston

Boston Fair Chance

Boston Municipal Code Ch. 4, § 4-7

300 days
1+ employees

Prohibits employers from asking about criminal history on initial written job applications. Part of the broader ban-the-box movement. Employers may inquire after an initial interview or conditional offer.

Protected Classes

criminal history/conviction record
Boston

Boston HRO

Boston Municipal Code Ch. 12-9

300 days
6+ employees

Boston's human rights ordinance prohibits employment discrimination and provides protections that complement the Massachusetts anti-discrimination law (Chapter 151B). Covers employers with 6 or more employees and includes enforcement by the Boston Human Rights Commission.

Protected Classes

racecolorreligious creedsexsexual orientationgender identitynational originancestryagedisabilitymarital statusveteran/military statusgenetic information

Federal Laws That Apply in Massachusetts

These federal statutes protect workers nationwide, including in Massachusetts. As a deferral state, the EEOC filing deadline is extended to 300 days for most claims.

Check which laws apply to your situation in Massachusetts

Our free assessment identifies applicable federal, state, and local protections based on your specific circumstances.

Check My Rights

This information is provided for educational purposes only and does not constitute legal advice.Massachusetts laws are subject to legislative changes. Consult a qualified employment attorney in Massachusetts for advice about your specific situation. Last reviewed: March 2026.