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Gavagan Law is a Boston personal injury firm with an office conveniently located in Dorchester. We proudly serve clients throughout Greater Boston — including Quincy, Milton, Cambridge, Roxbury, Worcester, Cape Cod, New Bedford — and across Massachusetts.

An attorney from our office will be in touch with you within 24 hours to discuss your case.

Why Boston Chooses Our Personal Injury Firm

Chestnut Hill Car Accident Lawyer – “We Highly Recommend Attorney Finn Gavagan”

My husband and I were injured in a car accident in Chestnut Hill, MA when another driver turned in front of our oncoming vehicle. Attorney J. Finn Gavagan at Gavagan Law, LLC handled both of our car accident injury claims, dealt with the insurance company, guided us through every step of the process, and got

K F
Motor vehicle Accident
December 28, 2025

Injured in a Car Accident in Dorchester, MA

I was injured in a car accident in Dorchester, MA, and Attorney J. Finn Gavagan at Gavagan Law, LLC handled my car accident injury claim. He was professional, patient, and always explained what was going on with my case. When the insurance company wasn’t being fair, he even used a Chapter 93A demand letter to

Jafed Quiñones
Motor vehicle Accident
December 24, 2025

Rear-Ended While Driving for Lyft in Boston

I was rear-ended while driving for Lyft in Boston, MA. Attorney J. Finn Gavagan at Gavagan Law, LLC handled my car accident case, dealt with the insurance companies, and got me a strong result. He was professional, responsive, and explained every step. If you need a Boston or Dorchester car accident or Lyft/Uber rideshare accident

Sarah Ramirez
Motor vehicle Accident
December 23, 2025

Injured in serious Worcester Car Crash – How Gavagan Law Helped

I was seriously injured in a car accident in Worcester. I was terrified because this was the first time this had happened to me, but attorney Finn Gavagan handled my case and resolved everything with great responsibility and professionalism. He was very professional and patient, and I highly recommend attorney Gavagan if you are ever

Leila Gómez
Motor vehicle Accident
November 18, 2025

Dedham Car Accident Review– “made the process as stress-free as possible”

I was rear-ended in a car accident in Dedham, and Attorney J. Finn Gavagan at Gavagan Law, LLC handled everything for me. He always kept me informed, answered my questions, and made the process as stress-free as possible. If you need a personal injury attorney or car accident lawyer in Dedham, MA, I highly recommend

Pat Perez
Motor vehicle Accident
October 24, 2025

Dorchester Car Accident Testimonial – “the best decision I made”

was injured in a car accident in Dorchester, and Attorney J. Finn Gavagan at Gavagan Law, LLC was the best decision I made. He always took the time to explain the process, answered all of my questions, and truly cared about my recovery. If you’re searching for a personal injury attorney or car accident lawyer

Brittney Smith
Motor vehicle Accident
October 23, 2025

“Confiance” and Assurance after a car accident in Boston

One of the best attorney[s] I ever met before. He is great, he is doing [a] good job…

Chanoil
Motor vehicle Accident
September 29, 2025

Excellent Result After Providence, RI MVA

I was rear-ended while driving in Providence, Rhode Island, and Attorney J. Finn Gavagan at Gavagan Law, LLC, helped me every step of the way. He explained the process clearly, always kept me informed, and got an outstanding result. His professionalism and dedication made a stressful time much easier to handle. If you need a

Jennifer
Motor vehicle Accident
August 15, 2025

Dorchester Car Accident Lawyer Helped Us After Serious Out-of-State Crash

My partner and I were injured in a head-on car accident while traveling out of state. We live in Dorchester and turned to Attorney J. Finn Gavagan at Gavagan Law, LLC. He guided us through the entire legal process, kept us informed, and helped us reach a great resolution. If you’ve been hurt in a

John
Motor vehicle Accident
July 22, 2025

Helped My Sister After a Serious Trip and Fall at a Supermarket

My sister was referred to Attorney Finn Gavagan by a close friend of hers who said, “You need someone who knows the law and will truly have your back.” Her friend was right. After she was seriously injured in a trip and fall at a supermarket in Cape Cod, Attorney Gavagan helped her through the

Terry Black and Connie
Premises Liability, Slip and Fall
June 5, 2025
Historic cobblestone Beacon Hill street in Boston with brick rowhouses and U.S. flag — contact Gavagan Law, Boston personal injury attorney
Super Lawyers 2025 badge awarded to J. Finn Gavagan, a top-rated personal injury attorney in Boston, Massachusetts.
James Finn GavaganReviewsout of 37 reviews
9.2J. Finn Gavagan
J. Finn Gavagan awarded Boston Magazine's Top Lawyer in 2021
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