John Marwell’s practice includes litigation, administrative, and transactional work. He regularly represents clients before legislative, planning and zoning boards, obtaining environmental and land-use approvals for residential and commercial development projects throughout the region. He litigates land use, environmental, real estate, and commercial matters in the State courts, including having served successfully as lead counsel in several cases of statewide significance and national interest, from the trial court to the highest appellate courts. Representative clients include real estate developers, the building and realty industry, conservation organizations, not-for-profit corporations, business corporations, religious and educational organizations, and individuals. He and the firm do not represent opponents of real estate development.

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Recent approvals which he and the firm have obtained include the rezoning and environmental approvals for major commercial and residential developments in Southern Westchester and the successful defense of litigation challenging those approvals; the rezoning, site plan and environmental approvals for the adaptive reuse of an architecturally designed stone barns complex in Central Westchester and auto storage facilities in Southern and Northern Westchester; successfully opposing numerous proposed municipal rezoning initiatives throughout the area, including one that would have prohibited the adaptive reuse of former waterfront industrial properties in Southern Westchester and another that would have imposed highly restrictive zoning regulations on a religious and educational institution in Rockland County; and obtaining the rezoning, environmental, site plan and special permit approvals for the first affordable senior housing development in one Northern Westchester community.

He is presently representing the owners of substantial proposed senior housing projects in Southern Westchester and Putnam County, the latter involving prosecuting one Article 78 litigation and defending another; a major commercial and residential adaptive reuse project of a corporate campus property in Northern Westchester; and a proposed new four-year college in Central Westchester. He has also successfully represented clients accused of zoning violations, through both administrative and litigation processes.

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Active in professional and community affairs, Mr. Marwell is a Vice President of the New York State Bar Association and a member of its Executive Committee. He is a Fellow of the New York Bar Foundation. He is a past president of the Westchester County Bar Association and the Westchester County Bar Foundation, and past chairman of Teatown Lake Reservation, the largest non-governmental nature conservation and education center in Westchester County. He is a former adjunct professor at Pace University School of Law, and lectures on litigation, professional ethics, land use and environmental law matters at bar association and other professional conferences. A graduate of Columbia College and Columbia Law School, he began his career as an attorney with IBM Corporation, and has been in private practice since 1976.

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