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John Sheerin is an attorney with Mullooly, Jeffrey, Rooney & Flynn, LLP, serving clients from Syosset, New York, and the surrounding Long Island communities. Admitted to practice in New York under bar number 2519791, he brings a broad-based perspective to his work in general practice, assisting individuals and businesses with a wide range of legal matters. His practice is grounded in careful attention to detail, practical problem-solving, and a commitment to delivering clear, dependable legal guidance. As a general practice attorney, Mr. Sheerin understands that every client’s situation is different and often involves overlapping legal concerns. He approaches each matter with professionalism and responsiveness, taking the time to understand his clients’ goals and concerns before recommending a path forward. Whether advising on day-to-day legal issues or helping clients navigate more complex matters, he focuses on providing efficient, strategic counsel tailored to each client’s needs. Mr. Sheerin is dedicated to building strong attorney-client relationships based on trust, communication, and accessibility. He works to ensure clients feel informed throughout the legal process and supported at every stage. Through his role at Mullooly, Jeffrey, Rooney & Flynn, LLP, he continues to serve the community with a commitment to quality representation and practical legal solutions.