Mr. Weiss has been a real estate builder/developer in the U.S. Mid-Atlantic (PA, NJ, DE) market specializing in development of single family and multi-family projects. During the past 20-year period he has identified home-buying trends, secured prime buildable land and has designed and developed residential housing projects. As a real-estate developer-entrepreneur, Weiss has experience in all levels of land development and home-building, building nearly 500 homes and developing over 1,000 lots. 

Mr. Weiss is a graduate of George Washington University and lives in Radnor with his wife and children. 

Click here to learn more about Mark and Philadelphia Magazine’s Design Home® 2017.

Click here to watch Mark's interview and tour with Karen Rodgers from 6abc of Philadelphia Magazine's Design Home® 2017.



Weiss builds distinctive homes through a combination of top-notch design, quality, comfort and value ensuring that each home is….


Top Notch Architectural Design 

Professional Interior Design*

Exciting and Careful Site Planning

Magazine-ready Finish Specifications

Unmistakable Curb Appeal

Built using the Highest Quality Materials    

Carefully assembled by the Area’s Best Tradesmen