Profile
Boston’s Premier Civil Litigation and Criminal Defense Firm
Since its founding in 1988, Louison, Costell, Condon & Pfaff, LLP has established itself as one of Boston’s most respected and formidable litigation law firms. We are a team of seasoned trial attorneys dedicated to providing exceptional representation in complex civil litigation and criminal defense cases. Our firm is built on a foundation of integrity, tenacity, and an unwavering commitment to achieving the best possible outcomes for our clients. We represent a diverse clientele, including public employees, police officers, professionals, and individuals who have suffered serious injuries. We understand that a legal battle can be a defining moment in your life. Our mission is to be your steadfast advocates, navigating the intricacies of the legal system with skill, strategic insight, and a powerful courtroom presence.
A Trial-Tested and Multifaceted Practice
At Louison, Costell, Condon & Pfaff, our strength lies in our extensive, hands-on experience in the courtroom. We are not just litigators; we are trial lawyers, meticulously preparing every case as if it will go before a jury. This approach ensures we are always in a position of strength, whether at the negotiation table or in a high-stakes trial.
- Accident and Injury Lawyers: We are a powerful voice for individuals who have been seriously injured due to the negligence of others. We fight to secure the maximum possible compensation for medical bills, lost wages, and pain and suffering, ensuring our clients can rebuild their lives.
- Criminal Defense Lawyers: We provide a vigorous and intelligent defense for individuals facing a wide array of criminal charges in both state and federal courts. Our extensive trial experience is a critical asset in protecting our clients’ rights and freedom.
- Employment and Labor Lawyers: A core focus of our practice is defending public employees, including police officers and firefighters, in disciplinary hearings and civil rights litigation. We are champions for those who serve our communities.
- Civil Rights Litigation: We have a deep and nuanced understanding of civil rights law, representing clients whose constitutional rights have been violated.
A Legacy of Unparalleled Legal Excellence 🏆
The attorneys at Louison, Costell, Condon & Pfaff are consistently recognized by their peers as leaders in the legal profession. Our partners are Fellows of the prestigious American College of Trial Lawyers and have been named Massachusetts Super Lawyers and New England Super Lawyers for many consecutive years. We hold an AV Preeminent rating from Martindale-Hubbell, the highest possible rating for legal ability and ethical standards. When you are facing a critical legal challenge, you deserve representation from a firm with a proven legacy of excellence. ⚖️
Specializing In
Civil Litigation, Police Defense, Criminal Defense, Personal Injury, Employment Law for Public Employees, Civil Rights Litigation
Address & Location
Located directly in Boston’s bustling Financial District, overlooking the beautiful Norman B. Leventhal Park.
Building Location
This is a landmark 14-story Class A office building built in 1924 and beautifully renovated in 2025. It sits adjacent to Norman B. Leventhal Park and is near local favorites like Elephant & Castle.
Suite Access
Enter the building through the newly redesigned lobby at 10 Post Office Square, pass the security desk, and take one of the elevators up to the 13th floor to locate Suite 1330.
Parking Details
Convenient underground paid parking is available directly across the street at The Garage at Post Office Square.
Public Transit
Served by MBTA Route 4 (North Station); nearest stop is at Congress St @ Franklin St.
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