Karl Brumback

Senior Managing Director


Karl Brumback is a Senior Managing Director in the Capital Markets Group, where he focuses on investment sales in the Bronx. To date, Karl has sold over 133 properties and notes with an aggregate consideration of over $490,000,000. Previously, he was Senior Vice President of Sales at Massey Knakal Realty Services. Cushman & Wakefield acquired Massey Knakal on December 31, 2014.

Mr. Brumback graduated from the University of North Carolina with his Bachelor of Science degree in Chemistry and went on to the University of Virginia's Darden School to earn his MBA. After taking a real estate course taught by Massey Knakal Founding Partner Paul J. Massey Jr., Karl bought and renovated a townhouse on Manhattan's Upper West Side and subsequently purchased and renovated several more buildings. His passion for real estate led him to a brokerage career at Massey Knakal. His prior professional career included management consulting, retail supply chain management, manufacturing operations and immunotoxicolgy research.

Professional Recognition

-Real Estate Forum’s Top Broker: 2013

-Massey Knakal Award for passion: 2007


  • Massey Knakal Charitable Foundation (MKCF), VP Grant Applications
  • University of North Carolina Board of Visitors
  • University of Virginia NCOUR

Karl Brumback
Senior Managing Director
(212) 660 7731
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Joshua Rubin
(212) 660 7752
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Notable Recent Transactions

Millbank Portfolio, Bronx, NY 10460/$35,000,000 Apartment Buildings, Bathgate, New York


184-190 West 237th Street, Bronx, NY 10463/$30,000,000 Development/Conversion Sites, Kingsbridge, New York


2781 & 2791 Grand Concourse, Bronx, NY 10468/$8,750,000 Apartment Buildings, Concourse, New York


2411-2415 Prospect Avenue, Bronx, NY 10458/$4,300,000 Apartment Buildings, Belmont, New York


5905 Broadway, Bronx, NY/$3,750,000 Development/Conversion Sites, Commercial Buildings, Special Use, Kingsbridge, New York