Mary Downey CostelloConstruction Development Attorney in Springfield, MA

About

Mary Downey Costello is a seasoned attorney with Costello & Leiter PC, where she represents clients in a diverse range of legal matters involving construction and development, corporate and incorporation issues, and family law. Based in Springfield, Massachusetts, she brings a practical, client-focused approach to each matter, helping individuals, families, and businesses navigate complex legal challenges with clarity and confidence. Her work reflects a strong commitment to delivering thoughtful guidance tailored to each client’s unique goals and circumstances. In her construction and development practice, Mary Downey Costello assists clients with the legal issues that can arise throughout the lifecycle of a project, from planning and formation to dispute resolution. She also provides counsel on corporate and incorporation matters, supporting business owners and organizations as they establish, manage, and protect their interests. In family law, she understands the personal nature of these matters and approaches each case with professionalism, discretion, and care, always focused on finding workable solutions that support her clients’ long-term well-being. Known for her steady judgment and responsive service, Mary Downey Costello works to ensure that clients feel informed and supported at every stage of the legal process. At Costello & Leiter PC, she combines broad legal knowledge with a practical perspective, offering dependable representation to clients throughout Springfield and the surrounding Massachusetts communities.

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