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Dawn O’Brien is an attorney with the Nassau County County Attorney’s Office in Mineola, New York, where she practices in the area of general practice. In her role, she contributes to a broad range of legal matters affecting the County, bringing a thoughtful, detail-oriented approach to each issue she handles. Licensed to practice law in New York under Bar Number 3017217, Ms. O’Brien is committed to serving the public with professionalism, integrity, and a strong sense of responsibility. With experience in general practice, Ms. O’Brien is prepared to address a variety of legal matters with care and precision. Her work reflects a practical understanding of the law and a dedication to providing reliable legal support in a fast-paced government setting. Whether navigating routine matters or complex legal questions, she approaches her work with diligence and a focus on achieving sound, lawful outcomes. Ms. O’Brien is known for her commitment to client service and her ability to respond effectively to the needs of the community she serves. She understands the importance of clear communication, careful analysis, and dependable advocacy in every matter. Based in Mineola, NY, she continues to build her practice on a foundation of professionalism, responsiveness, and a steadfast dedication to public service.