Gavin O'brien

About

Gavin O’Brien is an attorney with Lewis Johs Avallone Aviles, LLP, based in Islandia, New York, where he contributes to the firm’s general practice representation. He is admitted to practice in New York, where he brings a thoughtful, detail-oriented approach to a broad range of legal matters. With a commitment to professionalism and responsiveness, Mr. O’Brien works to help clients navigate legal issues with clarity and confidence. In his practice, Mr. O’Brien understands that clients often come to an attorney during uncertain or high-stakes moments. He approaches each matter with careful preparation, practical judgment, and a strong focus on client service. Whether assisting individuals or businesses, he strives to provide clear guidance tailored to each client’s unique goals and circumstances. His work reflects a dedication to resolving matters efficiently while maintaining the highest standards of advocacy and communication. Based in Islandia, Mr. O’Brien serves clients throughout Long Island and the surrounding New York communities. Through his role at Lewis Johs Avallone Aviles, LLP, he is committed to delivering dependable legal support and building lasting client relationships grounded in trust, professionalism, and attentive representation.

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