Accomplished Lawyers
Perrin Law Offices
Attorney Brian J. Perrin





Areas of Practice
01
Civil Litigation
Our firm provides comprehensive civil litigation services, representing individuals and businesses in a wide range of disputes. From initial case evaluation through trial and, when necessary, appeal, we deliver strategic, results-driven advocacy tailored to each client’s objectives. We handle matters including contract disputes, business conflicts, property issues, and tort claims, with a focus on efficient resolution—whether through negotiation, mediation, or courtroom litigation. Clients can expect clear communication, diligent preparation, and a commitment to protecting their interests at every stage of the process.
02
Real Estate
Our firm offers comprehensive real estate law services for individuals, investors, and businesses across all stages of property ownership and development. We handle residential and commercial transactions, leasing, zoning and land use matters, and title review, ensuring each deal is structured to protect your interests. Whether you are buying, selling, financing, or resolving a dispute, we provide practical guidance, thorough due diligence, and responsive representation to help you navigate complex real estate matters with confidence.
03
Wills & Trusts
Our firm provides thoughtful and comprehensive estate planning services designed to protect your assets, honor your wishes, and provide peace of mind for you and your family. We assist with wills, trusts, powers of attorney, and healthcare directives, tailoring each plan to reflect your unique goals and circumstances. Whether you are planning for the future, minimizing tax implications, or ensuring a smooth transfer of wealth, we offer clear guidance and personalized strategies to help you make informed decisions with confidence.
04
Landlord & Tenant
Our firm represents both landlords and tenants in a wide range of residential and commercial leasing matters. We provide guidance on lease drafting and review, compliance with applicable housing laws, eviction proceedings, and the resolution of disputes involving rent, maintenance, and property conditions. Whether you are seeking to protect your property interests or enforce your rights as a tenant, we offer practical, efficient solutions and strong advocacy to achieve a fair and timely outcome.
05
Criminal Defense
Our firm provides skilled and strategic representation in criminal law matters, protecting the rights of individuals at every stage of the process. We handle a range of charges, from misdemeanors to serious felonies, offering thorough case analysis, strong advocacy, and clear guidance throughout investigations, negotiations, and court proceedings. Whether working toward dismissal, reduced charges, or trial defense, we are committed to safeguarding your rights and pursuing the best possible outcome.
06
Business & Corporate
Our firm provides comprehensive business and corporate law services to support companies at every stage of growth. We assist with entity formation, governance, contracts, mergers and acquisitions, and regulatory compliance, offering practical guidance tailored to your business objectives. Whether you are launching a new venture, managing day-to-day operations, or navigating complex transactions, we deliver strategic counsel and responsive representation to help your business succeed while minimizing risk.
Schedule Your Free Confidential Legal Consultation
We invite you to schedule a private and confidential consultation to discuss your legal concerns. Every situation is unique, and a one-on-one meeting allows us to better understand your circumstances, answer your questions, and outline the options available to you. Our goal is to provide clear, practical guidance in a professional and discreet setting so you can move forward with confidence.
During your consultation, we will listen carefully, assess the details of your matter, and begin developing a strategy tailored to your needs. Whether you are facing an immediate issue or planning for the future, we are committed to protecting your interests and providing thoughtful, responsive counsel every step of the way. Contact our office today to arrange a time that works best for you.
Let Our Unique Legal Expereince Work For You
With over 27 years of legal practice, combined with Attorney Brian Perrin’s more than 30 years in law enforcement—including leadership roles at both the state and local levels, as well as experience in prosecution—our firm offers a uniquely informed perspective on the law. This rare blend of courtroom advocacy and real-world enforcement experience provides clients with seasoned, practical, and insightful legal advice and representation.

1,000+
Clients served
500+
Business transactions
1,000+
Real Estate Transactions
1,000+
Contracts negotiated
★★★★★
“I cannot recommend Attorney Brian Perrin highly enough. From our first meeting, he took the time to understand my situation, explain my options clearly, and guide me through what felt like an overwhelming process. His professionalism, responsiveness, and attention to detail gave me confidence every step of the way”.
Leonardo Chavez
Our focus is on the small details, allowing you to relax.
✓ Confidential legal consultation
✓ our Experience speaks volumes
Frequently Asked Questions
What types of cases do you handle?
We provide legal services across several practice areas, including civil litigation, real estate law, estate planning, landlord-tenant matters, criminal defense, and business and corporate law. Our firm represents both individuals and businesses, offering practical guidance and strong advocacy tailored to each client’s needs.
How do I schedule a consultation?
You can schedule a private, confidential consultation by contacting our office via phone 617-846-8122 or email at [email protected]. We will work with you to find a convenient time to discuss your legal matter and next steps.
What should I expect during the initial consultation?
During your consultation, we will review the details of your situation, answer your questions, and provide an initial assessment of your options. This meeting is an opportunity for you to gain clarity and for us to determine how we can best assist you.
How are legal fees structured?
Our fees depend on the type and complexity of your case. Some matters are billed at an hourly rate, while others may be handled on a flat-fee or contingency basis, where appropriate. We will clearly explain all fees and billing expectations before any work begins.
Will my information be kept confidential?
Yes. All communications with our firm are treated with the utmost confidentiality, consistent with attorney-client privilege and professional ethics obligations.
Trusted Legal professionals
Our Attorneys
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Hello world!

Brian J. Perrin, Esq.
Attorney Brian J. Perrin is a seasoned legal professional with more than 28 years of experience in the practice of law. Graduating Cum Laude and as a member of Law Review, he brings a strong academic foundation and a disciplined approach to legal analysis and advocacy.
In addition to his legal career, Attorney Perrin has an extensive background in law enforcement spanning over three decades. He served as a Police Lieutenant Detective with a city in Suffolk County, where he was involved in complex investigations and criminal prosecutions. He later rose to the rank of Lieutenant Colonel and served as the second in command with the Massachusetts Environmental Police, overseeing significant operational and leadership responsibilities.
This unique combination of legal expertise and high-level law enforcement experience provides Attorney Perrin with a rare and valuable perspective, allowing him to deliver strategic, informed, and effective representation to his clients.
Frequently Asked Inquiries
What is the process of getting started?
How do I get started?
Simply contact our office at 617-846-8122 to schedule your consultation. We are here to listen, advise, and help you move forward with confidence.
What types of cases do you handle?
We provide legal services across several practice areas, including civil litigation, real estate law, estate planning, landlord-tenant matters, criminal defense, and business and corporate law. Our firm represents both individuals and businesses, offering practical guidance and strong advocacy tailored to each client’s needs.
What makes your firm different?
Our firm brings together decades of legal experience with extensive law enforcement and prosecutorial insight. This unique perspective allows us to approach each case strategically, with a practical understanding of how legal issues are handled both inside and outside the courtroom.
How are legal fees structured?
Our fees depend on the type and complexity of your case. Some matters are billed at an hourly rate, while others may be handled on a flat-fee or contingency basis, where appropriate. We will clearly explain all fees and billing expectations before any work begins.
How long will my case take?
The timeline varies depending on the nature and complexity of the matter. Some issues can be resolved quickly, while others—particularly litigation—may take months or longer. We will keep you informed throughout the process and provide realistic expectations.
Do you still have inquiries or need further assistance?
Unable to uncover the specific information you seek? We encourage you to get in touch with us and engage in a conversation.