46 Foster Road, Suite 3 

Hopewell Junction, NY 12533

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© 2020 by Greenan Properties Real Estate Agency. Equal Housing Opportunity  


Of Real Estate Professionals


Licensed Real Estate Broker

Born in Northern Westchester County, John has been passionate about Real Estate since a young age. A resident of Dutchess County in 2001, he began his career 16 years ago in 2004 as a Real Estate Salesperson, became an Associate Broker managing a boutique real estate firm in Wappingers Falls where he represented buyers, sellers, and managed the company's sales team.

Since then John has worked for two large real estate franchises as an Associate Real Estate Broker.

John's strengths are in attention to detail, communication, negotiation, vision, and strategy.

John can be reached at

845.264.2300 or john@greenanprops.com


Licensed Real Estate Salesperson

Mark is a United States Army Veteran who served in the Persian Gulf War. Born in Toms River New Jersey, Mark has been a resident of Dutchess County since 2010. He has a background in finance and supervisory roles with West Point Military Academy.

Mark and John Greenan have been a team since 2013.

Mark's strengths are in communication, strategy and execution. 

Mark can be reached at

845.220.6640 or mark@greenanprops.com


Licensed Real Estate Salesperson

Margaret (Marge) was born and raised in Westchester County and has been a resident of Dutchess County for over 18 years.  She has a 30+ year tenure with IBM where she has served in various capacities. Marge works with John Greenan and Mark Rommel on various Real Estate projects, her attention to detail is unwavering. 

Marge can be reached at 845-243-3160 or margaret@greenanprops.com