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Home Improvement Contractor Registration and Renewal 

Information and resources on registering as a home improvement contractor.

Check if your contractor is a registered Home Improvement Contractor 

The law requires contractors working on existing, 1-4 unit, owner-occupied, primary residences in Massachusetts to be registered with this Office.

Home Improvement Contractor Arbitration and Guaranty Fund 

The Office of Consumer Affairs and Business Regulation registers home improvement contractors and administers the Arbitration and Guaranty Fund programs.

Consumer Education and Resources 

Consumers have rights. Do you know yours?

Renting in Massachusetts 

Know your rights and responsibilities as a tenant or landlord.

Identity Theft, Data Privacy and Cyber Security 

Your data and identity are valuable, so educate and protect yourself against risks.

Massachusetts Do Not Call Registry 

Hate receiving unwanted calls? Find the information you need about the Do Not Call Registry.

Auto Resources 

Have questions about car buying, car selling, or what to do about problems with their car after the sale? Here's some of our most common inquiries.

Customized Wheelchair Lemon Law 

Owners of customized wheelchairs may apply for arbitration should their wheelchair be defective.

About OCABR 

Learn more about who we are and what we do

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