Employment Law Aid

Massachusetts LGBTQ Workplace Discrimination Laws

Updated 2026-12-10
Fact Checked

Quick Answer

Guide to LGBTQ employment protections in Massachusetts under Chapter 151B. Learn about sexual orientation and gender identity discrimination rights.

Quick Answer: Massachusetts explicitly protects LGBTQ workers under Chapter 151B. Sexual orientation has been protected since 1989 and gender identity since 2011. Massachusetts was a pioneer in LGBTQ employment protections. Covers employers with 6+ employees. File with MCAD within 300 days.

Massachusetts provides strong, longstanding LGBTQ protections.

Massachusetts LGBTQ Protections

Chapter 151B

Explicitly protects:

  • Sexual orientation (since 1989)
  • Gender identity (since 2011)
  • At 6+ employee employers

Pioneer State

Massachusetts:

  • One of first states with LGBTQ protection
  • Sexual orientation added 1989
  • Gender identity added 2011
  • Strong enforcement history

Federal Title VII

Also provides:

  • Post-Bostock protection
  • 15+ employees
  • Works with state law

What's Protected

Sexual Orientation

Includes:

  • Gay employees
  • Lesbian employees
  • Bisexual employees
  • Perceived orientation

Gender Identity

Includes:

  • Transgender employees
  • Non-binary employees
  • Gender non-conforming
  • Transitioning employees

Protected Activities

Cannot be penalized for:

  • Coming out
  • Transitioning
  • Discussing orientation
  • Supporting LGBTQ causes

What's Prohibited

Hiring

Cannot:

  • Ask about orientation
  • Refuse hire based on LGBTQ status
  • Consider gender identity

Workplace Treatment

Cannot:

  • Fire based on LGBTQ status
  • Harass LGBTQ employees
  • Deny promotions
  • Treat differently

Harassment

Prohibited:

  • Anti-LGBTQ slurs
  • Hostile environment
  • Misgendering
  • Outing employees

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

Common Scenarios

Scenario 1: Fired After Coming Out

Situation: Terminated after disclosing orientation.

Analysis: Explicitly protected since 1989. File MCAD.

Scenario 2: Transitioning Employee

Situation: Hostile treatment after announcing transition.

Analysis: Gender identity protected since 2011. Document and file.

Scenario 3: Small Employer

Situation: Work for 8-person company.

Analysis: Chapter 151B covers 6+ employees. Protected.

Scenario 4: Harassment

Situation: Coworkers use slurs, employer ignores.

Analysis: Must address harassment. File MCAD if not.

Remedies Available

MCAD Relief

May obtain:

  • Back pay
  • Compensatory damages
  • Emotional distress
  • Attorney's fees

Frequently Asked Questions

Is sexual orientation protected?

Yes. Since 1989 under Chapter 151B.

Is gender identity protected?

Yes. Since 2011 under Chapter 151B.

What employers are covered?

6+ employees.

How long to file?

300 days with MCAD.

Related Topics

Take Action

If facing LGBTQ discrimination:

  1. Document incidents
  2. Report to HR
  3. Note 300-day deadline
  4. File MCAD complaint
  5. Consult attorney

Legal Disclaimer

This article provides general information about LGBTQ discrimination in Massachusetts and is not legal advice. For specific advice, consult a licensed Massachusetts employment attorney.

For official information:

Frequently Asked Questions

What is chapter 151B?
Explicitly protects: Sexual orientation (since 1989) Gender identity (since 2011) At 6+ employee employers
What is pioneer State?
Massachusetts: One of first states with LGBTQ protection Sexual orientation added 1989 Gender identity added 2011 Strong enforcement history
What is federal Title VII?
Also provides: Post-Bostock protection 15+ employees Works with state law
What is sexual Orientation?
Includes: Gay employees Lesbian employees Bisexual employees Perceived orientation
What is gender Identity?
Includes: Transgender employees Non-binary employees Gender non-conforming Transitioning employees

Could Your Employer Be Violating Other Laws?

Workplace violations rarely happen in isolation. If your employer is violating one law, they may be violating others too.

Legal Disclaimer

The information on this website is for general informational purposes only and does not constitute legal advice. Employment laws vary by state and change frequently. For advice specific to your situation, consult a licensed employment attorney in your state. Employment Law Aid is not a law firm and does not provide legal representation. No attorney-client relationship is created by using this website.