Mark P. Weingarten Partner

Mr. Weingarten is a member of the firm’s Executive Committee and a member of the Land Use and Zoning and Government Relations practice groups. He represents owners and developers of commercial and residential real property and advises clients on other complex commercial matters. Mr. Weingarten is also a registered lobbyist in New York State.

Prior to joining the firm, Mr. Weingarten was a partner in the law firm of Weingarten & Weingarten; special counsel to Robinson Brog Leinwand Reich Genovese & Gluk, P.C.; a partner in the law firm of Lihn & Weingarten; and an associate at the law firm Gordon Hurwitz Butowsky Weitzen Shalov & Wein in New York City.


  • Boston University School of Law, J.D., 1984, (Barecca Labor Law Scholarship Award, Tauro Scholar and American Jurisprudence Book Award – Labor Law)
  • Cornell University, B.S., 1981, (Dean’s List Graduate)

Bar Admissions

  • New York

Court Admissions

  • U.S. District Courts, Eastern and Southern Districts of New York


  • Westchester County Bar Association

Representative Matters

Mr. Weingarten has acted as lead counsel in connection with billions of dollars of land use and development approvals for urban renewal, infill, commercial and residential projects totaling millions of square feet of development in the Hudson Valley Region.


  • Mr. Weingarten is the recipient of the March of Dimes Real Estate Award.
  • Mr. Weingarten was cited in the New York Times as one of the top five land use attorneys in Westchester.
  • Distinguished Service Award – Westchester County Democratic Committee.
  • Community Leader Award – UJA Federation of New York – Westchester Business Professional Division – 2000.
  • Leadership Award recipient from Mt. Vernon Neighborhood Health Center – 2016.
  • Westchester County Board of Legislators – Proclamation2016
  • Listed in NY SuperLawyers Magazine, 2020

Speaking Engagements

  • Mr. Weingarten participated in presenting the CLE Program “Emerging Issues and Innovations in Land Use Law” at Pace Law School. He was a guest lecturer at Pace University, for Prof. John R. Nolan’s Land Use Class entitled “The Lawyer’s Role in the Large Scale Real Estate Transaction” and lecturing on urban redevelopment.
  • Mr. Weingarten delivered a lecture before the Delegation of Chinese Judges from the Higher People’s Court of Chongqing Province, China.

BCW Group Details to Lawmakers What’s Behind High Cost of Housing

The Business Council of Westchester’s (BCW) Smart Development Working Group, which consists of 17 developers, held its annual meeting with the Westchester state delegation on March 15. The group discussed how Albany can facilitate the construction of more housing at a time when building costs are skyrocketing. The article quotes our partner, Mark Weingarten.

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MGM asks for zoning change in preparation for possible award of full-casino license

Attorney Mark Weingarten of the White Plains-based law firm DelBello Donnellan Weingarten Wise & Wiederkehr, LLP, filed a zoning petition requesting creation of new zoning district encompassing the property, to be known as the “Casino Special District.”

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$2.5B redevelopment concept proposed for WP Galleria mall

“The $2.5 billion investment will create a visionary project that redefines urban living by seamlessly blending open space and residences with a rich array of amenities to create a thriving, sustainable community where residents and visitors can live, work and play.” – Mark Weingarten

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Mark Weingarten featured in the City & State NY Westchester Power 100 List!

Westchester County’s most influential leaders were ranked in the City & State New York Westchester Power 100 List. Please join us in congratulating our Partner, Mark Weingarten for making it to the list! Mark ranks number 33, the highest ranking private practice attorney.

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Mark P. Weingarten receives Martin S. Berger Award for Lifetime Achievement

Mark P. Weingarten was honored November 15, 2019 at the 32nd Annual March of Dimes Real Estate Awards Breakfast for his tremendous contributions and tireless commitment to the March of Dimes in bringing awareness to the prevention and treatment of premature births and the challenges faced by infants and their families.  We thank all of you who were there to show your support for the March and Dimes and congratulate Mark on his achievements, as well as Martin G. Berger and Joseph D. Roberto, who were also honored at the event.  Well done!

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Avalon Yonkers

AvalonBay Communities is one of the premier developers of luxury apartment communities in the nation. DelBello Donnellan represents AvalonBay in connection with numerous development projects throughout Westchester County, including this 589-unit apartment community currently under construction in the Alexander Street Urban Renewal Area on the Hudson River in Yonkers, New York.

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